Nutrition & Mental Health – Fueling Your Mind and Mood
- Shaila Anjum
- Oct 7
- 4 min read
When it comes to mental well-being, therapy and coping tools are essential—but so is what we eat.
Emerging research continues to affirm what many have long suspected: the food we consume directly affects how we feel—emotionally and mentally.
Just as the brain influences the body, the body influences the brain. Nutrition is not just physical fuel; it’s emotional fuel too.
The Brain-Gut Connection
Our brain and digestive system are intimately connected through what’s called the gut-brain axis. The gut produces over 90% of the body’s serotonin (a neurotransmitter that supports mood, sleep, and digestion). This means that a healthy gut = a healthier mind.
Inflammatory foods, poor eating habits, and nutritional deficiencies can negatively impact brain function, mood regulation, and even symptoms of anxiety and depression.

Foods That Support Mood & Mental Energy
While there’s no single "magic food," certain nutrients are especially helpful for emotional balance:
Omega-3 Fatty Acids
Found in: Salmon, walnuts, flaxseeds, chia seeds
Benefits: Reduce inflammation and support brain function. Studies link omega-3s with reduced symptoms of depression.

Leafy Greens & Colorful Veggies
Found in: Spinach, kale, bell peppers, broccoli
Benefits: Rich in folate and antioxidants that protect brain cells and help regulate mood.

Whole Grains
Found in: Oats, brown rice, quinoa
Benefits: Stabilize blood sugar levels and sustain energy—helping to reduce mood swings and fatigue.

Protein-Rich Foods
Found in: Eggs, lentils, lean meats, tofu
Benefits: Contain amino acids, which are essential for producing neurotransmitters like dopamine and serotonin.

Fermented Foods
Found in: Yogurt, kefir, kimchi, sauerkraut
Benefits: Promote gut health and increase good bacteria, which can positively impact mental well-being.

Dark Chocolate (in moderation!)
Found in: 70%+ cocoa chocolate
Benefits: Contains flavonoids and small amounts of caffeine—boosting mood and cognition.

What to Limit
Processed and sugary foods: These cause blood sugar spikes and crashes, affecting energy and mood.
Excess caffeine: Can worsen anxiety and disrupt sleep.
Skipping meals: Leads to irritability, fatigue, and poor concentration.
Mental Health First, Diet Second
Food is one part of the puzzle. If eating well feels overwhelming right now, start small:
Add one fruit or vegetable a day.
Eat consistent meals to stabilize your energy.
Pay attention to how certain foods make you feel.
You don’t need to aim for “perfect”—you just need to be kind to your body. That kindness will ripple outward into your mood and your life.

Support That Nourishes
Therapy can help uncover patterns of emotional eating, body image struggles, or anxiety around food. Whether you're navigating these challenges or just curious about how lifestyle habits affect your mental health, we’re here for you.
References:
Nutrition and Mental Health
Adan, R. A. H., van der Beek, E. M., Buitelaar, J. K., Cryan, J. F., Hebebrand, J., Higgs, S., ... & Dickson, S. L. (2019). Nutritional psychiatry: Towards improving mental health by what you eat. European Neuropsychopharmacology, 29(12), 1321-1332. https://doi.org/10.1016/j.euroneuro.2019.10.011
Firth, J., Gangwisch, J. E., Borsini, A., Wootton, R. E., & Mayer, E. A. (2020). Food and mood: how do diet and nutrition affect mental wellbeing? BMJ, 369, m2382. https://doi.org/10.1136/bmj.m2382PubMed Central
Lassale, C., Batty, G. D., Baghdadli, A., Jacka, F., Sánchez-Villegas, A., Kivimäki, M., & Akbaraly, T. (2019). Healthy dietary indices and risk of depressive outcomes: a systematic review and meta-analysis of observational studies. Molecular Psychiatry, 24(7), 965-986. https://doi.org/10.1038/s41380-018-0237-8
Gut-Brain Axis and Fermented Foods
Dinan, T. G., & Cryan, J. F. (2019). Gut instincts: microbiota as a key regulator of brain development, ageing and neurodegeneration. The Journal of Physiology, 597(2), 489-503. https://doi.org/10.1113/JP275929
Sarkar, A., Lehto, S. M., Harty, S., Dinan, T. G., Dunbar, R. I., & Cryan, J. F. (2016). Psychobiotics and the manipulation of bacteria–gut–brain signals. Trends in Neurosciences, 39(11), 763-781. https://doi.org/10.1016/j.tins.2016.09.002
Taylor, V. H. (2025, February). A scientist who studies the link between our gut and brain shared 3 diet tweaks that could improve your mental health. Business Insider. https://www.businessinsider.com/diet-change-improve-gut-health-mental-scientist-2025-2Business Insider
Omega-3 Fatty Acids and Mood
Grosso, G., Galvano, F., Marventano, S., Malaguarnera, M., Bucolo, C., Drago, F., & Caraci, F. (2014). Omega-3 fatty acids and depression: scientific evidence and biological mechanisms. Oxidative Medicine and Cellular Longevity, 2014, 313570. https://doi.org/10.1155/2014/313570
Liao, Y., Xie, B., Zhang, H., He, Q., Guo, L., Subramanieapillai, M., ... & McIntyre, R. S. (2019). Efficacy of omega-3 PUFAs in depression: A meta-analysis. Translational Psychiatry, 9(1), 190. https://doi.org/10.1038/s41398-019-0515-5
Leafy Greens, Whole Grains, and Antioxidant-Rich Foods
Opie, R. S., O'Neil, A., Itsiopoulos, C., & Jacka, F. N. (2015). The impact of whole-of-diet interventions on depression and anxiety: a systematic review of randomised controlled trials. Public Health Nutrition, 18(11), 2074-2093. https://doi.org/10.1017/S1368980014002614
Sánchez-Villegas, A., & Martínez-González, M. A. (2013). Diet, a new target to prevent depression? BMC Medicine, 11(1), 3. https://doi.org/10.1186/1741-7015-11-3
Foods to Limit
Adjibade, M., Assmann, K. E., Andreeva, V. A., Lemogne, C., Hercberg, S., Galan, P., & Kesse-Guyot, E. (2019). Prospective association between ultra-processed food consumption and incident depressive symptoms in the French NutriNet-Santé cohort. BMC Medicine, 17(1), 78. https://doi.org/10.1186/s12916-019-1321-6
Gómez-Donoso, C., Sánchez-Villegas, A., Martínez-González, M. A., Gea, A., Mendonça, R. D., Lahortiga, F., & Bes-Rastrollo, M. (2018). Ultra-processed food consumption and the incidence of depression in a Mediterranean cohort: the SUN Project. European Journal of Nutrition, 59(3), 1093-1103. https://doi.org/10.1007/s00394-019-01980-1
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