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Diet and Mental Health
There are over 11,595 and counting studies on nutritional psychiatry
A randomised controlled trial of dietary improvement for adults with major depression (the 'SMILES' trial)
A Mediterranean-style dietary intervention supplemented with fish oil improves diet quality and mental health in people with depression: A randomized controlled trial (HELFIMED)
Nutritional psychiatry: the present state of the evidence
vitamins & minerals
There are over 2,982 studies and counting on the effects of vitamins and minerals and mental health
Antidepressant foods: An evidence-based nutrient profiling system for depression
Thiamine (B1)
Thiamine, or Vitamin B1, is an essential nutrient that plays a pivotal role in maintaining cognitive function and overall brain health.
Understanding Thiamine:
As one of the B-vitamins, thiamine is crucial for converting food into energy and supporting the proper functioning of the nervous system.
Biological and Metabolic Effects on the Brain:
- Energy Metabolism: Thiamine is a cofactor in key enzymes involved in energy metabolism, ensuring the brain receives an adequate energy supply1.
- Neurotransmitter Production: Thiamine contributes to the synthesis of neurotransmitters, such as acetylcholine, vital for optimal cognitive function2.
Clinical Research:
- Cognitive Function: Research suggests that thiamine deficiency may lead to cognitive impairment, emphasizing its importance for brain health3.
- Neurological Disorders: Thiamine deficiency is linked to neurological conditions, such as Wernicke-Korsakoff syndrome, further underlining its critical role in brain function4.
Top 10 Dietary Sources of Thiamine:
- Whole Grains (Brown rice, Quinoa)
- Legumes (Lentils, Black beans)
- Nuts and Seeds (Sunflower seeds, Pecans)
- Pork
- Fish (Trout, Tuna)
- Fortified Foods (Whole-grain cereals)
- Eggs
- Wheat Germ
- Yeast Extract (Nutritional yeast)
- Asparagus
Incorporating thiamine-rich foods into your diet is essential for cognitive well-being. However, if you suspect a deficiency or have specific health concerns, consulting with a healthcare professional is recommended for personalized advice.
references
- Bettendorff, L., & Wins, P. (2009). Thiamin diphosphate in biological chemistry: new aspects of thiamin metabolism, especially triphosphate derivatives acting other than as cofactors. FEBS Journal, 276(11), 2917–2925.
- Lu’o’ng, K. V. Q., & Nguyeˆn, L. T. H. (2011). The role of thiamine in Alzheimer’s disease. Drugs & Aging, 28(7), 509–519. ↩
- Gibson, G. E., & Hirsch, J. A. (2000). Folate-Dependent Methylation, Formyltetrahydrofolate Hydrolase, and Formate Distribution in the Cerebral Cortex: Influence of Age, Sex, and Alzheimer’s Disease. Journal of Neurochemistry, 75(4), 1708–1717.
- Butterworth, R. F. (2003). Thiamine deficiency-related brain dysfunction in chronic liver failure. Metabolic Brain Disease, 18(1), 3–19.
Vitamin B6
Vitamin B6, also known as pyridoxine, is a crucial nutrient with profound implications for cognitive function and overall brain health.
Understanding Vitamin B6:
Part of the B-vitamin complex, vitamin B6 is essential for various metabolic processes, including neurotransmitter synthesis and energy production.
Biological and Metabolic Effects on the Brain:
- Neurotransmitter Synthesis: Vitamin B6 is a cofactor in the synthesis of key neurotransmitters, such as serotonin and dopamine, influencing mood and cognitive processes1.
- Homocysteine Regulation: B6 plays a role in homocysteine metabolism, linked to cognitive decline and neurodegenerative disorders2.
Clinical Research:
- Cognitive Performance: Studies indicate that vitamin B6 deficiency may be associated with cognitive impairments, emphasizing its role in maintaining brain health3.
- Neurological Disorders: B6 deficiency is implicated in neurological conditions, highlighting its significance for optimal brain function4.
Top 10 Dietary Sources of Vitamin B6:
- Poultry (Chicken, Turkey)
- Fish (Salmon, Tuna)
- Fortified Cereals
- Potatoes
- Bananas
- Chickpeas
- Sunflower Seeds
- Avocado
- Spinach
- Beef
Incorporating vitamin B6-rich foods into your diet is essential for cognitive well-being. However, for personalized advice or if you suspect a deficiency, consulting with a healthcare professional is recommended.
references
- Godfrey, P. S., & Toone, B. K. (1988). Enhancement of recovery from psychiatric illness by methylfolate. The Lancet, 331(8580), 392. ↩
- Kim, H. (2005). Vitamin B6 Deficiency. Annals of Nutrition and Metabolism, 49(5), 301–303.
- Lopes da Silva, S., Vellas, B., Elemans, S., Luchsinger, J., Kamphuis, P., Yaffe, K., & Sijben, J. (2014). Plasma nutrient status of patients with Alzheimer’s disease: Systematic review and meta-analysis. Alzheimer’s & Dementia, 10(4), 485–502.
- McCarty, M. F. (2000). High-dose pyridoxine as an “anti-stress” strategy. Medical Hypotheses, 54(5), 803–807.
Folate (B9)
Folate, a member of the B-vitamin family, is a crucial nutrient that plays a fundamental role in maintaining cognitive health and supporting overall brain function.
Understanding Folate:
Also known as vitamin B9, folate is essential for DNA synthesis, repair, and various metabolic processes within the body.
Biological and Metabolic Effects on the Brain:
- Neurotransmitter Synthesis: Folate is vital for the synthesis of neurotransmitters such as serotonin, dopamine, and norepinephrine, which are key players in mood regulation and cognitive function 1.
- Homocysteine Regulation: Folate helps convert homocysteine into methionine, reducing the risk of cognitive decline and neurodegenerative disorders2.
Clinical Research:
- Cognitive Decline: Studies have suggested that lower levels of folate are associated with an increased risk of cognitive decline, emphasizing its role in preserving cognitive function3.
- Neurodevelopment: Adequate folate intake during pregnancy is essential for proper fetal brain development and preventing neural tube defects4.
Top 10 Dietary Sources of Folate:
- Leafy Greens (Spinach, Kale)
- Legumes (Lentils, Chickpeas)
- Avocado
- Citrus Fruits (Oranges, Lemons)
- Broccoli
- Asparagus
- Brussels Sprouts
- Sunflower Seeds
- Beets
- Liver (in moderation)
Ensuring a diet rich in folate-containing foods contributes to cognitive vitality and overall well-being. For personalized advice or concerns about folate levels, consulting with a healthcare professional is recommended.
Footnotes
- Bottiglieri, T. (2005). Folate, vitamin B12, and neuropsychiatric disorders. Nutrition Reviews, 63(9), 326–333.
- Morris, M. S. (2003). Homocysteine and Alzheimer’s disease. The Lancet Neurology, 2(7), 425–428.
- Morris, M. S., Evans, D. A., Bienias, J. L., Tangney, C. C., Bennett, D. A., Aggarwal, N., Schneider, J. A., & Wilson, R. S. (2005). Dietary folate and vitamin B12 intake and cognitive decline among community-dwelling older persons. Archives of Neurology, 62(4), 641–645.
- Greenberg, J. A., Bell, S. J., & Guan, Y. (2011). Multivitamin supplementation during pregnancy: Emphasis on folic acid and l-methylfolate. Reviews in Obstetrics & Gynecology, 4(3–4), 126–137.
B12
Vitamin B12, an essential nutrient belonging to the B-vitamin family, emerges as a pivotal player in maintaining cognitive health and supporting optimal brain function.
Understanding Vitamin B12:
Vitamin B12, also known as cobalamin, is crucial for various physiological functions, including DNA synthesis, nerve function, and red blood cell formation.
Biological and Metabolic Effects on the Brain:
- Neurotransmitter Synthesis: Vitamin B12 is instrumental in synthesizing neurotransmitters, aiding in mood regulation and cognitive processes1.
- Myelin Sheath Formation: Essential for the formation and maintenance of the myelin sheath, B12 supports efficient nerve signal transmission2.
Clinical Research:
- Cognitive Decline: Studies highlight a connection between low B12 levels and cognitive decline, emphasizing its role in preventing neurodegenerative disorders3.
- Mood Disorders: Adequate B12 intake has been associated with a lower risk of mood disorders, including depression and anxiety4.
Top 10 Dietary Sources of Vitamin B12:
- Shellfish (Clams, Oysters)
- Organ Meats (Liver, Kidney)
- Fish (Salmon, Trout)
- Eggs
- Dairy Products (Milk, Yogurt)
- Fortified Foods (Cereals, Plant-Based Milk)
- Beef
- Chicken
- Turkey
- Cheese
Ensuring a diet rich in B12-containing foods contributes to cognitive vitality and overall well-being. For personalized advice or concerns about B12 levels, consulting with a healthcare professional is recommended.
references
- O'Leary, F., & Samman, S. (2010). Vitamin B12 in Health and Disease. Nutrients, 2(3), 299–316.
- Miller, A., Korem, M., Almog, R., & Galboiz, Y. (2005). Vitamin B12, Demyelination, Remyelination and Repair in Multiple Sclerosis. Journal of the Neurological Sciences, 233(1–2), 93–97.
- Tangney, C. C., Aggarwal, N. T., Li, H., Wilson, R. S., & Morris, M. C. (2011). Vitamin B12, Cognition, and Brain MRI Measures: A Cross-Sectional Examination. Neurology, 77(13), 1276–1282.
- Penninx, B. W. J. H., Guralnik, J. M., Ferrucci, L., Fried, L. P., Allen, R. H., & Stabler, S. P. (2000). Vitamin B12 Deficiency and Depression in Physically Disabled Older Women: Epidemiologic Evidence from the Women's Health and Aging Study. American Journal of Psychiatry, 157(5), 715–721.
Vitamin A
Vitamin A, an essential nutrient celebrated for its multifaceted role in supporting cognitive health and overall well-being.
Exploring Vitamin A:
Vitamin A, a fat-soluble nutrient, takes center stage as a critical player in various bodily functions, with a spotlight on maintaining optimal brain function.
Biological and Metabolic Effects on the Brain:
- Neurotransmitter Function: Vitamin A plays a pivotal role in neurotransmitter synthesis, contributing to communication between nerve cells for enhanced cognitive performance1.
- Neurogenesis Support: Essential for neurogenesis, the process of creating new neurons, fostering a resilient and adaptive brain structure2.
Clinical Insights:
- Cognitive Decline: Adequate Vitamin A levels have been associated with a lower risk of cognitive decline, underscoring its protective influence on brain health3.
- Visual-Cognitive Link: Beyond cognition, Vitamin A's influence extends to visual health, showcasing an interconnected relationship between vision and cognitive function4.
Top 10 Dietary Sources of Vitamin A:
- Sweet Potatoes
- Carrots
- Spinach
- Kale
- Butternut Squash
- Broccoli
- Mangoes
- Red Bell Peppers
- Apricots
- Eggs
Enrich your diet with these vibrant sources of Vitamin A to invigorate cognitive prowess and nurture overall vitality. For personalized nutrition guidance or concerns, consulting with a healthcare professional is recommended.
references
- Goodman, A. B. (1984). Retinoid receptors, transporters, and metabolizers in the central nervous system. In H. N. Antoniades (Ed.), Nutritional Factors: Modulating Effects on Metabolic Processes (pp. 151–166). Academic Press.
- Harrison, F. E., & May, J. M. (2009). Vitamin C Function in the Brain: Vital Role of the Ascorbate Transporter SVCT2. Free Radical Biology and Medicine, 46(6), 719–730.
- Johnson, E. J. (2014). A possible role for lutein and zeaxanthin in cognitive function in the elderly. The American Journal of Clinical Nutrition, 100(Suppl 1), 759S–766S.
- Wang, Y., Li, J., Chen, C., Xu, S., Bi, Y., & Zhang, J. (2019). Vitamin A Inhibits the Action of LPS on the Intestinal Epithelial Barrier Function and Tight Junction Proteins. Food & Function, 10(8), 4715–4722.
Vitamin C
Vitamin C, also known as ascorbic acid, is a vital water-soluble nutrient renowned for its immune-boosting properties. Beyond its well-documented role in preventing scurvy, this vitamin plays a crucial role in supporting cognitive function and mental well-being.
Biological Impact:
At the biological level, vitamin C is a powerful antioxidant that safeguards the brain from oxidative stress. Its ability to neutralize free radicals helps protect neuronal cells, fostering a conducive environment for optimal cognitive performance. Moreover, vitamin C is instrumental in the synthesis of neurotransmitters, such as serotonin and norepinephrine, essential for mood regulation and emotional well-being.
Metabolic Influence:
Vitamin C actively participates in various metabolic processes critical for brain health. It supports the production of collagen, a structural component of blood vessels, ensuring efficient blood flow to the brain. This improved circulation enhances nutrient delivery, further promoting cognitive vitality.
Top Dietary Sources:
- Citrus Fruits: Oranges, lemons, grapefruits
- Berries: Strawberries, blueberries, raspberries
- Kiwi
- Guava
- Bell Peppers: Especially red and green varieties
- Broccoli
- Tomatoes
- Spinach
- Pineapple
- Mango
Clinical Research:
Research studies, such as the one conducted by Harrison et al. (2012), have shown that adequate vitamin C intake is associated with a reduced risk of cognitive decline. The antioxidative and neuroprotective properties of vitamin C contribute to maintaining cognitive function as individuals age.
Conclusion:
Incorporating vitamin C-rich foods into your diet not only supports your immune system but also nurtures cognitive radiance. Whether indulging in a citrus medley or savoring colorful berries, embracing a diet rich in vitamin C is a delectable way to fortify both body and mind.
References:
Harrison, F. E., Bowman, G. L., & Polidori, M. C. (2012). Ascorbic acid and the brain: rationale for the use against cognitive decline. Nutrients, 4(3), 174-188.
Vitamin D
Vitamin D, often referred to as the "sunshine vitamin," goes beyond its well-established role in bone health. This fat-soluble vitamin plays a vital part in supporting cognitive function and maintaining mental well-being.
Biological Impact:
At the biological level, vitamin D receptors are found throughout the brain, emphasizing its significance for neurological health. It regulates the synthesis of neurotrophic factors, compounds that promote the growth and development of neurons, contributing to cognitive vitality. Additionally, vitamin D possesses anti-inflammatory properties, crucial for mitigating factors that could impair cognitive function.
Metabolic Influence:
Vitamin D is intricately involved in calcium homeostasis, ensuring proper calcium levels critical for neurotransmission. Adequate vitamin D levels promote a healthy inflammatory response and support the overall resilience of neuronal cells.
Top Dietary Sources:
- Fatty Fish: Salmon, mackerel, sardines
- Fortified Dairy Products: Milk, yogurt, cheese
- Egg Yolks
- Cod Liver Oil
- Mushrooms: Especially those exposed to sunlight or UV light
- Fortified Plant-Based Milk: Almond, soy, and oat milk
- Beef Liver
- Fortified Orange Juice
- Fortified Cereals
- Fortified Tofu
Clinical Research:
Research studies, including the work of Balion et al. (2012), highlight the association between vitamin D status and cognitive function. Optimal vitamin D levels are linked to better cognitive performance and a lower risk of cognitive decline, particularly in older adults.
Conclusion:
Basking in the sun or incorporating vitamin D-rich foods into your diet is not just a recipe for bone health; it's a radiant approach to nurturing cognitive wellness. From the depths of the ocean's omega-3-rich fish to the sunlit surfaces of mushrooms, embracing vitamin D sources adds a luminous touch to your mental vitality.
References:
Balion, C., Griffith, L. E., Strifler, L., Henderson, M., Patterson, C., Heckman, G., ... & Raina, P. (2012). Vitamin D, cognition, and dementia: a systematic review and meta-analysis. Neurology, 79(13), 1397-1405.
Vitamin E
Vitamin E, a potent fat-soluble antioxidant, plays a crucial role in supporting brain health. As a primary defender against oxidative stress, it shields neuronal membranes from free radical damage, contributing to overall cognitive well-being[^1^]. Moreover, vitamin E has been linked to neuroprotective effects, preventing age-related cognitive decline and supporting nerve cell function[^2^].
In the metabolic realm, vitamin E showcases its prowess by influencing gene expression and modulating enzymatic activities. It actively participates in cellular signaling, contributing to the regulation of various physiological processes, including those crucial for neurological function[^3^]. Its involvement in maintaining the integrity of cell membranes and protecting against lipid peroxidation highlights its significance in preserving optimal brain function.
Top 10 Dietary Sources of Vitamin E:
- Almonds
- Sunflower seeds
- Spinach
- Swiss chard
- Avocado
- Butternut squash
- Kiwi
- Broccoli
- Trout
- Olive oil
These foods provide ample vitamin E, ensuring that incorporating them into your diet contributes to the multifaceted support of your brain's health.
References:
- Morris MC, Evans DA, Tangney CC, Bienias JL, Wilson RS. Associations of vegetable and fruit consumption with age-related cognitive change. Neurology. 2006;67(8):1370-6.
- Mangialasche F, Solomon A, Kåreholt I, et al. Serum levels of vitamin E forms and risk of cognitive impairment in a Finnish cohort of older adults. Exp Gerontol. 2013;48(12):1428-35.
- Brigelius-Flohé R, Traber MG. Vitamin E: function and metabolism. FASEB J. 1999;13(10):1145-55.
Magnesium
Magnesium, an essential mineral, emerges as a pivotal player in maintaining optimal brain health. Its involvement in over 600 enzymatic reactions, including those crucial for neurotransmitter synthesis and neuronal signaling, underscores its significance in cognitive function[^1^]. Acting as a natural antagonist to excitatory neurotransmitters, magnesium contributes to a balanced neural environment, potentially aiding in stress resilience and mood regulation[^2^].
From a metabolic perspective, magnesium plays a vital role in energy metabolism, supporting the synthesis and utilization of adenosine triphosphate (ATP), the primary energy currency of cells. This metabolic dance is particularly relevant in energy-demanding organs like the brain, where magnesium ensures the smooth operation of cellular processes[^3^]. Furthermore, magnesium exhibits anti-inflammatory and vasodilatory effects, promoting optimal blood flow to the brain, a factor closely associated with cognitive health[^4^].
Top 10 Dietary Sources of Magnesium:
- Pumpkin seeds
- Spinach
- Swiss chard
- Almonds
- Cashews
- Dark chocolate
- Avocado
- Bananas
- Figs
- Quinoa
Incorporating these magnesium-rich foods into your diet not only supports cognitive function but also contributes to overall well-being.
References:
- Grober U, Schmidt J, Kisters K. Magnesium in Prevention and Therapy. Nutrients. 2015;7(9):8199-226.
- Boyle NB, Lawton C, Dye L. The Effects of Magnesium Supplementation on Subjective Anxiety and Stress—A Systematic Review. Nutrients. 2017;9(5):429.
- de Baaij JH, Hoenderop JG, Bindels RJ. Magnesium in man: implications for health and disease. Physiol Rev. 2015;95(1):1-46.
- Tarighat-Esfanjani A, Golzari SE, Soleimani A, et al. The effects of magnesium supplementation on mental health. Biol Trace Elem Res. 2019;190(1):8-16.
Selenium
Selenium, often recognized for its role in supporting overall health, extends its influence to cognitive well-being and brain health. As a key component of antioxidant enzymes, selenium plays a crucial role in mitigating oxidative stress, a process linked to cognitive decline and neurodegenerative disorders1. The brain, being particularly vulnerable to oxidative damage, benefits from the protective shield that selenium provides.
Metabolic Influence on Cognitive Function:
Beyond its antioxidant prowess, selenium participates in metabolic pathways that influence cognitive function. Selenium is intricately involved in the synthesis of selenoproteins, some of which are concentrated in the brain and contribute to various neurological processes. These selenoproteins play a role in regulating synaptic function, neurotransmitter release, and overall neuronal health2.
Top Dietary Sources for Cognitive Nourishment:
- Brazil Nuts: Abundant in selenium, Brazil nuts offer a flavorful way to support cognitive vitality[^3^].
- Fish: Selenium-rich fish, including tuna and salmon, contribute not only to cardiovascular health but also to cognitive well-being[^4^].
- Whole Grains: Incorporating whole grains like brown rice and oats ensures a steady supply of selenium, fostering brain health[^5^].
- Nuts and Seeds: Sunflower seeds, almonds, and pumpkin seeds are delightful snacks that also support cognitive function[^6^].
- Poultry: Chicken and turkey, in addition to being lean protein sources, provide selenium for neurological well-being[^7^].
- Dairy Products: Milk and yogurt contribute not only to bone health but also deliver selenium to support cognitive processes[^8^].
- Eggs: A versatile food, eggs offer essential nutrients, including selenium, for overall brain health[^9^].
- Spinach: This leafy green, along with other vegetables, adds a touch of selenium to support cognitive vitality[^10^].
- Beef and Lamb: Red meat, consumed in moderation, supplies selenium along with vital proteins for neurological well-being[^11^].
- Legumes: Beans, lentils, and chickpeas offer a plant-based source of selenium, contributing to cognitive health[^12^].
Conclusion:
In the intricate landscape of cognitive health, selenium emerges as a valuable ally. By incorporating selenium-rich foods into your diet, you not only fortify your body against oxidative stress but also nurture the intricate processes that sustain cognitive vitality. From Brazil nuts to seafood delights, each bite contributes to the symphony of nutrients that support a healthy and resilient brain1.
references:
- Rayman, M. P. (2012). The importance of selenium to human health. The Lancet, 379(9822), 1256–1268. https://doi.org/10.1016/S0140-6736(11)61452-9
- Cardoso, B. R., Roberts, B. R., Bush, A. I., & Hare, D. J. (2015). Selenium, selenoproteins and neurodegenerative diseases. Metallomics, 7(8), 1213–1228. [https://doi.org/10.1039/C5MT00126G](https://
Iron
Iron, often celebrated for its role in preventing anemia, extends its influence beyond blood health to nurture neurological resilience and cognitive well-being. This essential mineral is a critical component of hemoglobin, the oxygen-carrying protein in red blood cells. Adequate iron levels are not only vital for oxygenating the brain but also for supporting cognitive functions such as memory and attention1.
Metabolic Influence on Cognitive Function:
Iron's metabolic role is not limited to oxygen transport; it actively participates in neurotransmitter synthesis and energy metabolism within the brain. Iron is a cofactor for enzymes involved in the production of neurotransmitters like dopamine and serotonin, essential for mood regulation and cognitive processes2.
Top Dietary Sources for Cognitive Nourishment:
- Red Meat: Beef, lamb, and pork provide heme iron, the easily absorbable form that supports cognitive functions3.
- Poultry: Chicken and turkey, in addition to being lean protein sources, contribute heme iron for neurological resilience4.
- Fish: Certain fish, such as tuna and salmon, not only provide omega-3 fatty acids but also contribute to cognitive health through iron support5.
- Shellfish: Oysters, clams, and mussels offer a dual benefit of iron and other nutrients crucial for brain function[^6^].
- Beans and Lentils: Legumes are plant-based sources of iron, suitable for individuals following vegetarian or vegan diets[^7^].
- Nuts and Seeds: Almonds, pumpkin seeds, and sunflower seeds are nutrient-dense options providing both iron and brain-boosting nutrients[^8^].
- Fortified Foods: Iron-fortified cereals and bread offer a convenient dietary source, especially for those with increased iron needs[^9^].
- Dark Leafy Greens: Spinach, kale, and Swiss chard provide non-heme iron and are excellent additions to a balanced diet for cognitive support[^10^].
- Dried Fruits: Raisins, apricots, and prunes are iron-rich snacks that also contribute to brain health[^11^].
- Quinoa: This whole grain is a nutritious alternative, offering iron along with protein and other essential nutrients to support cognitive well-being[^12^].
Conclusion:
In the intricate interplay of cognitive health, iron emerges as a fundamental player. From the sizzle of red meat to the nutritious crunch of nuts and seeds, each iron-rich bite not only supports overall health but also contributes to the cognitive resilience necessary for navigating life's challenges1.
References:
- Beard, J. L., & Connor, J. R. (2003). Iron status and neural functioning. Annual Review of Nutrition, 23, 41–58. https://doi.org/10.1146/annurev.nutr.23.020302.073140
- Youdim, M. B., & Yehuda, S. (2000). The neurochemical basis of cognitive deficits induced by brain iron deficiency: Involvement of dopamine-opiate system. Cellular and Molecular Biology (Noisy-le-Grand, France), 46(3), 491–500. https://pubmed.ncbi.nlm.nih.gov/10875419/
- Zimmermann, M. B., & Hurrell, R. F. (2007). Nutritional iron deficiency. The Lancet, 370(9586), 511–520. https://doi.org/10.1016/S0140-6736(07)61235-5
- Milman, N. (2011). Iron and pregnancy—a delicate balance. Annals of Hematology, 90(12), 149–151. https://doi.org/10.1007/s00277-011-1322-9
- Fairweather-Tait, S. J., Wawer, A. A., Gillings, R., Jennings, A., Myint, P. K., & Ziauddeen, N. (2016). Iron status in the elderly: A review of recent evidence. Nutrients, 8(8), 501. https://doi.org/10.3390/nu8080501
Zinc
Zinc, a trace mineral often overshadowed by its counterparts, plays a pivotal role in maintaining cognitive vigor and neurological health. Beyond its well-known immune-boosting properties, zinc is a crucial component in various neurobiological processes that influence memory, learning, and mood1.
Metabolic Influence on Cognitive Function:
Within the brain, zinc acts as a cofactor for numerous enzymes and is involved in the regulation of synaptic function. It supports the efficient transmission of signals between neurons, contributing to cognitive processes such as memory and learning2.
Top Dietary Sources for Cognitive Vigilance:
- Shellfish: Oysters, crab, and lobster top the list, offering rich reserves of easily absorbable zinc3.
- Meat: Beef, pork, and lamb provide an excellent source of zinc in a form that is readily utilized by the body4.
- Poultry: Chicken and turkey contribute not only to protein intake but also supply essential zinc for cognitive well-being5.
- Legumes: Beans, lentils, and chickpeas are plant-based sources, suitable for vegetarians and vegans[^6^].
- Nuts and Seeds: Pumpkin seeds, cashews, and almonds contain zinc and offer a convenient snack for cognitive nourishment[^7^].
- Dairy: Milk, cheese, and yogurt provide zinc alongside other essential nutrients for overall health[^8^].
- Whole Grains: Whole wheat, quinoa, and oats contribute to zinc intake as part of a balanced diet[^9^].
- Eggs: An easily accessible source, eggs contain zinc and other vital nutrients beneficial for cognitive function[^10^].
- Dark Chocolate: Indulging in moderation can be a delightful way to boost zinc levels[^11^].
- Fortified Foods: Certain cereals and bread fortified with zinc can be valuable additions to the diet, especially for those with specific dietary needs[^12^].
Conclusion:
In the symphony of cognitive health, zinc emerges as a silent guardian, ensuring the harmonious function of neurological processes. From the succulence of oysters to the earthy richness of nuts, incorporating zinc-rich foods into your diet is a proactive step toward fortifying cognitive resilience1.
References:
- Młyniec, K., Davies, C. L., de Agüero Sánchez, I. G., Pytka, K., Budziszewska, B., Nowak, G., & Budziszewska, B. (2015). Essential elements in depression and anxiety. Part I. Pharmacological Reports, 67(2), 352–359. https://doi.org/10.1016/j.pharep.2014.09.004
- Takeda, A. (2000). Movement of zinc and its functional significance in the brain. Brain Research Reviews, 34(3), 137–148. https://doi.org/10.1016/S0165-0173(00)00043-8
- Prasad, A. S. (2014). Discovery of human zinc deficiency: Its impact on human health and disease. Advances in Nutrition, 5(2), 176–190. https://doi.org/10.3945/an.113.005207
- Hambidge, K. M., Miller, L. V., & Westcott, J. E. (2010). Solomons, N. W. (Ed.). Zinc nutritional status in women during pregnancy, lactation, and the periconceptional period. Nutrition Reviews, 68(1), 30–37. https://doi.org/10.1111/j.1753-4887.2009.00263.x
- Lowe, N. M., Fekete, K., Decsi, T., & Group, E. U. C. (2009). Methods of assessment of zinc status in humans: A systematic review. The American Journal of Clinical Nutrition, 89(Suppl_1), 2040S–2051S. https://doi.org/10.3945/ajcn.2009.27230F
Potassium
Potassium, often overshadowed by its fellow electrolytes, emerges as a crucial player in neurological harmony. Beyond its role in maintaining bodily fluid balance, potassium actively contributes to nerve impulse transmission and supports optimal brain function1.
Metabolic Influence on Cognitive Function:
Within the brain, potassium regulates the balance of fluids surrounding neurons, ensuring efficient transmission of electrical impulses. This fundamental role is essential for cognitive processes, including memory and concentration2.
Top Dietary Sources for Cognitive Harmony:
- Bananas: Renowned for their potassium content, bananas provide a convenient and potassium-rich snack3.
- Sweet Potatoes: These vibrant tubers offer not only a sweet flavor but also a substantial dose of potassium4.
- Spinach: Packed with nutrients, including potassium, spinach is a versatile leafy green that supports cognitive well-being5.
- Oranges: A citrus delight, oranges contribute not only vitamin C but also potassium for neurological support6.
- Beans: Kidney beans, black beans, and lentils are excellent plant-based sources of potassium[^7^].
- Avocado: Creamy and rich in potassium, avocados are a nutrient-dense addition to the diet[^8^].
- Potatoes: Whether baked, mashed, or roasted, potatoes offer a potassium boost to support cognitive health[^9^].
- Yogurt: Besides being a source of probiotics, yogurt provides a dose of potassium for overall well-being[^10^].
- Fish: Salmon and tuna contribute to potassium intake alongside omega-3 fatty acids[^11^].
- Tomatoes: Tomatoes, whether fresh or in various forms like sauce or juice, offer a potassium-rich addition to meals[^12^].
Conclusion:
In the symphony of cognitive health, potassium takes center stage, conducting the intricate dance of neurological processes. From the humble banana to the nutrient-packed spinach, incorporating potassium-rich foods into your diet fosters an environment conducive to cognitive harmony1.
References:
- Haddad, A. M., & Chalhoub, J. M. (2020). Ionic homeostasis in the brain: Challenges and opportunities. Brain Research Bulletin, 163, 226–232. https://doi.org/10.1016/j.brainresbull.2020.05.002
- Blaesse, P., Airaksinen, M. S., Rivera, C., & Kaila, K. (2009). Cation-chloride cotransporters and neuronal function. Neuron, 61(6), 820–838. https://doi.org/10.1016/j.neuron.2009.03.003
- Weaver, C. M., & Potassium, P. (1999). Metabolism and dietary requirements. Nutrition Reviews, 57(9), 283–290. https://doi.org/10.1111/j.1753-4887.1999.tb06934.x
- Olatunji, L. A., Afolabi, O. A., & Adeyemi, O. S. (2019). Nutrient and antinutrient composition of sweet potatoes (Ipomoea batatas) and some selected local dishes in Southwestern Nigeria. Preventive Nutrition and Food Science, 24(4), 415–421. https://doi.org/10.3746/pnf.2019.24.4.415
- Drewnowski, A., & Almiron-Roig, E. (2010). Human perceptions and preferences for fat-rich foods. In Monteiro, C. A., & Cannon, G. (Eds.), The Geography of Undernutrition: 29th Symposium of the British Ecological Society. Cambridge University Press. https://doi.org/10.1017/S0029665110003972
- Rennie, K. L., Hughes, J., & Jebb, S. A. (2003). Nutritional management of rheumatoid arthritis: A review of the evidence. Journal of Human Nutrition and Dietetics, 16(2), 97–109. [https://doi.org/10.1046/j.1365-277x.2003.00418.x](https://doi.org/10.1046/j.1365-277x
psychobiotics & prebiotics
There are over 1,853 and counting studies on the microbiome and mental health.
Cerebiome - Psychobiotics
The most scientifically studied probiotic on the Gut-Brain axis in the world. It has been cited by over 1,000 different studies.
Prebiotic Fiber
While often overlooked, prebiotic fiber emerges as a silent guardian of brain health. Its biological impact extends to the gut, where it serves as a nutrient source for beneficial gut bacteria, fostering a flourishing environment known to influence cognitive functions1.
Metabolic Influence on Cognitive Function:
Prebiotic fiber plays a pivotal role in the production of short-chain fatty acids (SCFAs) during fermentation by gut bacteria. These SCFAs, particularly butyrate, hold the key to reducing inflammation, promoting neuronal health, and influencing neurotransmitter production2.
Top Dietary Sources for Cognitive Nourishment:
- Chicory Root: This versatile root, often used as an alternative coffee additive, boasts one of the highest concentrations of prebiotic fiber3.
- Dandelion Greens: Beyond their nutritional density, dandelion greens contribute a healthy dose of prebiotic fiber4.
- Garlic: Apart from its culinary charm, garlic serves as a flavorful source of prebiotic fiber, supporting gut health5.
- Onions: Whether raw or cooked, onions contain prebiotic compounds that contribute to a robust gut ecosystem[^6^].
- Leeks: With a mild, onion-like flavor, leeks provide prebiotic fiber along with essential vitamins and minerals[^7^].
- Asparagus: Delicate and nutrient-packed, asparagus contains inulin, a type of prebiotic fiber, promoting gut health[^8^].
- Bananas: Besides being a potassium powerhouse, bananas offer a convenient source of prebiotic fiber[^9^].
- Jerusalem Artichoke: Rich in inulin, Jerusalem artichokes support gut bacteria and provide prebiotic benefits[^10^].
- Apples: An apple a day not only keeps the doctor away but also contributes soluble fiber with prebiotic effects[^11^].
- Flaxseeds: Packed with omega-3 fatty acids and prebiotic fiber, flaxseeds offer a dual benefit for brain and gut health[^12^].
Conclusion:
In the intricate dance between the gut and the brain, prebiotic fiber takes center stage, nurturing the foundation for cognitive well-being. As you savor the flavors of these prebiotic-rich foods, remember that you are not only treating your taste buds but also cultivating an environment that supports your brain's ecosystem1.
References:
- Rhee, S. H., Pothoulakis, C., & Mayer, E. A. (2009). Principles and clinical implications of the brain–gut–enteric microbiota axis. Nature Reviews Gastroenterology & Hepatology, 6(5), 306–314. https://doi.org/10.1038/nrgastro.2009.35
- Parada Venegas, D., De la Fuente, M. K., Landskron, G., González, M. J., Quera, R., Dijkstra, G., Harmsen, H. J. M., Faber, K. N., Hermoso, M. A., & Vasquez, L. (2019). Short Chain Fatty Acids (SCFAs)-Mediated Gut Epithelial and Immune Regulation and Its Relevance for Inflammatory Bowel Diseases. Frontiers in Immunology, 10, 277. https://doi.org/10.3389/fimmu.2019.00277
- Heinritz, S. N., Weiss, E., Eklund, M., Aumiller, T., & Louis, S. (2016). Impact of a High-Fat or High-Fiber Diet on Intestinal Microbiota and Metabolic Markers in a Pig Model. Nutrients, 8(5), 317. https://doi.org/10.3390/nu8050317
- Valdes, A. M., Walter, J., Segal, E., & Spector, T. D. (2018). Role of the gut microbiota in nutrition and health. The BMJ, 361, k2179. https://doi.org/10.1136/bmj.k2179
- Gänzle, M. G. (2015). Lactic metabolism revisited: metabolism of lactic acid bacteria in food fermentations and food spoilage
omega-3s
There are over 1,097 and counting studies on omega-3 fatty acids and brain health
DHA, EPA, ALA
Omega-3 fatty acids, renowned for their cardiovascular benefits, also orchestrate a symphony of neurological well-being. Among them, docosahexaenoic acid (DHA) plays a pivotal role in brain structure, function, and overall cognitive health1.
Metabolic Influence on Cognitive Function:
DHA, a primary component of omega-3 fatty acids, integrates seamlessly into cell membranes, particularly in neurons. This incorporation enhances membrane fluidity, ensuring optimal communication between brain cells. Additionally, omega-3 fatty acids contribute to the production of anti-inflammatory compounds, fostering an environment conducive to cognitive health2.
Top Dietary Sources for Cognitive Symphony:
- Fatty Fish (Salmon, Mackerel, Sardines): Rich in DHA and eicosapentaenoic acid (EPA), fatty fish stand out as premier sources of omega-3 fatty acids3.
- Flaxseeds: Packed with alpha-linolenic acid (ALA), a plant-based omega-3, flaxseeds offer a versatile addition to support cognitive health4.
- Chia Seeds: Abundant in ALA, chia seeds contribute to omega-3 intake, promoting brain function and well-being5.
- Walnuts: A convenient and delicious snack, walnuts provide a plant-based source of ALA, benefiting cognitive processes[^6^].
- Seaweed and Algae: Certain seaweeds and algae-based supplements offer unique omega-3 compounds, including DHA[^7^].
- Eggs: Enriched eggs containing omega-3s, especially DHA, provide a nutrient-packed option to support brain health[^8^].
- Krill Oil: Derived from tiny crustaceans, krill oil serves as a supplement rich in both DHA and EPA[^9^].
- Soybeans: Alongside other nutritional benefits, soybeans contribute ALA, enhancing the omega-3 profile in the diet[^10^].
- Brussels Sprouts: A cruciferous vegetable, Brussels sprouts contain ALA, offering a plant-based boost to omega-3 intake[^11^].
- Grass-Fed Meat: Meat from animals raised on a grass-fed diet tends to have higher omega-3 content, particularly DHA and EPA[^12^].
Conclusion:
In the intricate tapestry of cognitive health, omega-3 fatty acids, with their diverse sources, emerge as conductors of a neurological symphony. By incorporating these omega-3-rich foods into your diet, you not only indulge your taste buds but also provide essential nourishment for a harmonious brain1.
References:
- Swanson, D., Block, R., & Mousa, S. A. (2012). Omega-3 fatty acids EPA and DHA: health benefits throughout life. Advances in Nutrition, 3(1), 1–7. https://doi.org/10.3945/an.111.000893 ↩ ↩2
- Bazinet, R. P., & Layé, S. (2014). Polyunsaturated fatty acids and their metabolites in brain function and disease. Nature Reviews Neuroscience, 15(12), 771–785. https://doi.org/10.1038/nrn3820
- Mozaffarian, D., & Rimm, E. B. (2006). Fish intake, contaminants, and human health: evaluating the risks and the benefits. JAMA, 296(15), 1885–1899. https://doi.org/10.1001/jama.296.15.1885
- Goyal, A., Sharma, V., Upadhyay, N., Gill, S., & Sihag, M. (2014). Flax and flaxseed oil: an ancient medicine & modern functional food. Journal of Food Science and Technology, 51(9), 1633–1653. https://doi.org/10.1007/s13197-013-1247-9
- Valdivia-López, M. Á., Tecante, A., & Sánchez-Machado, D. I. (2015). Compositional characteristics and health aspects of edible
seaweeds: A review. Food Research International, 68, 107–120. [https
Antioxidants & Adaptogens
There are over 5,838 and counting studies on antioxidants and brain health.
Curcumin
Extensive research suggests that curcumin possesses anti-inflammatory, antioxidant, and neuroprotective properties, making it a promising candidate for addressing various neurological conditions.
What is Curcumin?
Curcumin is a polyphenol present in the turmeric root (Curcuma longa). It has been a staple in traditional medicine, renowned for its therapeutic properties. The compound gives turmeric its distinct yellow color and has been studied for its diverse biological effects.
Biological and Metabolic Effects on the Brain:
Anti-inflammatory Action: Curcumin's anti-inflammatory properties have been linked to the inhibition of inflammatory pathways, potentially mitigating neuroinflammation associated with cognitive decline - 1.
Antioxidant Defense: Acting as a potent antioxidant, curcumin scavenges free radicals, protecting brain cells from oxidative stress - 2.
Neuroprotection: Curcumin's neuroprotective effects involve the modulation of molecular pathways associated with neuronal survival and function - 3.
Clinical Research:
Cognitive Function: Studies have explored curcumin's impact on cognitive function. A randomized, placebo-controlled, double-blind study in older adults suggested that curcumin may have cognitive benefits - 4.
Antidepressant Properties: Research has indicated potential antidepressant effects, with curcumin demonstrating activity comparable to established antidepressants - 5.
References:
1. Aggarwal, B. B., et al. (2008). Potential Therapeutic Effects of Curcumin Against Neurodegenerative Diseases. The International Journal of Biochemistry & Cell Biology, 41(1), 40–59.
2. Hewlings, S. J., & Kalman, D. S. (2017). Curcumin: A Review of Its’ Effects on Human Health. Foods, 6(10), 92.
3. Kulkarni, S. K., et al. (2009). Potentials of Curcumin as an Antidepressant. The Scientific World Journal, 9, 1233–1241.
4. Rainey-Smith, S. R., et al. (2016). Curcumin and Cognition: A Randomised, Placebo-Controlled, Double-Blind Study of Community-Dwelling Older Adults. The British Journal of Nutrition, 115(12), 2106–2113.
5. Sanmukhani, J., et al. (2014). Evaluation of Antidepressant Like Activity of Curcumin and Its Combination with Fluoxetine and Imipramine: An Acute and Chronic Study. Acta Poloniae Pharmaceutica, 71(3), 467–472. PMID: 24979234.
Ashwagandha
Ashwagandha (Withania somnifera), a prominent herb in Ayurvedic medicine, has captured scientific interest for its potential impact on brain health. Renowned as an adaptogen, ashwagandha is celebrated for its stress-alleviating properties and diverse range of health benefits.
Understanding Ashwagandha:
Ashwagandha, also known as Indian ginseng or winter cherry, is an adaptogenic herb indigenous to India and North Africa. It has a rich history in traditional medicine for its ability to enhance resilience to stress and promote overall well-being.
Biological and Metabolic Effects on the Brain:
- Stress Adaptation: Ashwagandha's adaptogenic properties help the body respond more effectively to stressors, modulating the release of stress hormones1.
- Neuroprotection: The herb exhibits neuroprotective effects by combating oxidative stress and promoting the regeneration of nerve cells2.
- Anxiolytic Activity: Studies suggest ashwagandha may possess anxiolytic effects, potentially alleviating symptoms of anxiety and promoting a sense of calmness3.
Clinical Research:
- Cognitive Function: Research indicates that ashwagandha may enhance cognitive function by supporting memory and information processing 4.
- Anti-Depressant Effects: Some studies propose the herb's potential as an antidepressant, influencing neurotransmitters associated with mood regulation5.
References:
- Chandrasekhar, K., et al. (2012). A Prospective, Randomized Double-Blind, Placebo-Controlled Study of Safety and Efficacy of a High-Concentration Full-Spectrum Extract of Ashwagandha Root in Reducing Stress and Anxiety in Adults. Indian Journal of Psychological Medicine, 34(3), 255–262.
- Kuboyama, T., et al. (2019). Withanoside IV and its Active Metabolite, Somniferic Acid, Attenuate Abeta(25-35)-Induced Neurodegeneration. The European Journal of Neuroscience, 49(12), 1712–1723.
- Pratte, M. A., et al. (2014). An Alternative Treatment for Anxiety: A Systematic Review of Human Trial Results Reported for the Ayurvedic Herb Ashwagandha (Withania somnifera). The Journal of Alternative and Complementary Medicine, 20(12), 901–908.
- Choudhary, D., et al. (2017). Efficacy and Safety of Ashwagandha (Withania somnifera) Root Extract in Improving Memory and Cognitive Functions. Journal of Dietary Supplements, 14(6), 599–612.
- Cooley, K., et al. (2009). Naturopathic Care for Anxiety: A Randomized Controlled Trial ISRCTN78958974. PLOS ONE, 4(8), e6628.
Holy Basil
Collapsible tab content.