Brain Health · Back to School
Your brain never stops adapting, and the nutrients you feed it (or do not) help shape that process at the cellular level, where neurons build connections, make neurotransmitters, and clear the oxidative stress of daily life. What you eat today lays the groundwork for how sharp you feel tomorrow. The right vitamins and minerals help support the structure and function of the brain and nervous system at every stage of life,* so this guide walks through what your brain needs as it changes with age.*
DHA, an omega-3 fat, forms a major structural part of the cerebral cortex, and a 2022 review found higher DHA and EPA intake was associated with better-maintained cognitive function with age, tied to omega-3's role in cell-membrane fluidity and a balanced inflammatory response.1
Your Brain Changes with Time
In your early years, your brain is like a sponge, soaking up every new sight and sound. During this period of rapid growth, nutrients like omega-3 fatty acids, iron, and zinc act as building blocks for the neural connections that shape how you learn and how you feel.
In adulthood, the focus shifts from rapid growth to maintenance. The neural pathways you formed earlier need to be preserved and optimized, and antioxidants and essential vitamins and minerals help protect brain cells from the oxidative stress that comes with everyday life.
In your 40s and 50s, the focus shifts toward upkeep. B vitamins matter here, because they help keep homocysteine in a healthy range as part of normal cellular methylation. Vitamins C and E and plant flavonoids add antioxidant support against the mental wear and tear of a busy life.
As you age, maintaining everyday brain function becomes a priority. Vitamin D, often overlooked, supports healthy cellular signaling, and calcium does more than support bones: it also supports the nerve-communication network that carries messages throughout your body.
By understanding and adapting to your brain's changing needs, you can support its healthy function and vitality at every age.*
The Top Brain-Supporting Nutrients
Here are the nutrients worth building into your routine, starting today, for steadier focus and a clearer mind.
1. Omega-3 Fatty Acids
Omega-3 fatty acids, specifically EPA and DHA, support the fluidity of cell membranes, which is vital for cell-to-cell communication. DHA forms a major part of the cerebral cortex, the region tied to memory, language, and judgment, and omega-3s support a balanced inflammatory response and steady mood.*
Simple ways to get more omega-3: eat fatty, wild-caught fish a few times a week; add flaxseed or chia to smoothies; or consider an algae-based option like Omega-3 Algae A+E®, a direct, plant-based source of DHA and EPA suitable for every diet.*
2. Vitamin D3 + K2
Vitamin D helps fuel the production of neurotrophins, compounds that support the growth and upkeep of brain cells.2 Thanks to its antioxidant activity, vitamin D supports the body against two of the biggest drivers of brain aging: inflammation and oxidative stress. Pairing D3 with K2 helps direct the two fat-soluble vitamins where they belong.
Simple ways to get more vitamin D: aim for 15 to 20 minutes of daylight; eat eggs, mushrooms, and fatty fish; or consider a formula like D3K2 ReSet®. Vitamin D shortfalls are common, with a large share of U.S. adults estimated to fall below recommended levels.
3. B Vitamins
Your brain is a high-powered, energy-demanding organ, and B vitamins help keep it running. They help convert food into energy, support DNA and RNA synthesis and repair, and help maintain healthy nerve cells. A few to highlight:
- Vitamin B1: supports nerve-cell function and helps metabolize glucose, the brain's primary fuel.
- Vitamin B3: supports cellular signaling, DNA repair, and the metabolism of fats and glucose.
- Vitamin B6: helps produce neurotransmitters like serotonin and dopamine, key mood regulators.
- Vitamin B9 (folate): important for healthy early brain development and, with B12, for making red blood cells.
- Vitamin B12: helps maintain the protective sheath around nerves and supports mental processing speed.
A 2022 meta-analysis found B-vitamin support was associated with slower age-related changes in cognitive function.3
Simple ways to get more B vitamins: start the day with whole grains; add leafy greens; choose lean proteins if you eat meat; or add a methylated complex like ReAline®, which offers body-ready B vitamins and helps metabolism.*
4. Minerals
Minerals act as catalysts for neurotransmitter production, the chemicals your brain cells use to communicate. Fall short and you may feel foggy or scattered. A few that matter most for the brain:
- Magnesium supports learning and memory by calming neurons and easing overstimulation.
- Zinc supports neuron growth and neurotransmitter function for information processing and steady mood.
- Calcium supports nerve-signal transmission so your brain can communicate properly.
- Potassium helps generate nerve impulses and maintains fluid balance in the brain.
- Selenium is an antioxidant that helps defend brain cells against oxidative stress.
- Iodine supports healthy brain development by supporting the hormones tied to learning and memory.
Simple ways to get more minerals: prioritize whole foods like nuts, seeds, whole grains, and leafy greens; enjoy beans and lentils; or add a balanced multi-mineral like ReMyte®, which includes twelve essential minerals, or a single-mineral magnesium such as ReMag®.*
5. Probiotics and the Gut-Brain Axis
Your gut and brain are in constant communication along what is called the gut-brain axis. Unlike common dairy-based probiotics, soil-based probiotics are hardy enough to survive stomach acid and reach the gut, where a balanced microbiome supports the production of neurotransmitters like serotonin and dopamine. A healthy gut also supports your body's ability to absorb the vitamins and minerals your brain depends on.*
Simple ways to support your gut: enjoy yogurt, kefir, kimchi, sauerkraut, or miso; or take a daily soil-based probiotic like Flora ReVive®.*
Brain health is built one cell at a time. Omega-3s, B vitamins, vitamin D, and key minerals give your neurons the raw materials to build, signal, and protect themselves, supporting the structure and function of the brain and nervous system at every age.*
Frequently Asked Questions
Can what you eat affect your mood?
Yes. Your brain draws a lot of energy from the food you eat. Complex carbohydrates like oats and whole-grain bread release glucose steadily for even energy, and lean proteins supply amino acids used to make neurotransmitters like serotonin, which supports a balanced mood.
Are there foods to limit for better brain health?
Go easy on high-sugar foods and refined carbs, which cause blood-sugar spikes and crashes. Highly processed foods and trans fats promote inflammation, so lean toward whole, minimally processed options whenever you can.
How much water should you drink for brain health?
Hydration is key. Your brain is roughly three-quarters water and relies on it to move nutrients in and waste out. Mild dehydration is a common, quiet source of fog and fatigue. A good rule of thumb is to drink about half your body weight in ounces daily, more if you are active or in the heat.
- Your brain's nutrient needs shift across life, but the core builders stay the same: omega-3s, B vitamins, vitamin D, and minerals.
- These nutrients work at the cellular level to support membranes, neurotransmitters, and antioxidant defense.*
- A healthy gut supports both neurotransmitter production and nutrient absorption.
- Whole foods first, with a targeted supplement to fill the gaps, is the steadiest approach.
References: 1. Welty FK. Omega-3 fatty acids and cognitive function. Curr Opin Lipidol. 2022. doi:10.1097/MOL.0000000000000862 2. Anjum I, et al. The role of vitamin D in brain health. Brain Sci. 2020;10(9):660. 3. Wang Z, et al. Effects of B-vitamin supplementation on cognitive function. Nutr Rev. 2022. doi:10.1093/nutrit/nuab057
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.