Fatty Fish
Fattyfish, including salmon, mackerel, andsardines, are abundant inomega-3 fatty acids.
These vegetables contain nutrients that contribute to their brain-boosting benefits.The nutrients include:
3.
The recommended daily serving of walnuts is 1 to 1.5 ounces or 1218 walnut halves.

Olga Dobrovolska / Getty Images
However, observational studies can identify associations but cannot determine cause and effect.
Low levels of tryptophan are linked to increased cognitive impairments in older adults without dementia.
Soy isoflavones have anti-inflammatory properties and can prevent oxidative stress, helping to reduce mental decline.

On the other hand, a deficiency may contribute to its progression.
When possible, it’s best to get these nutrients from real food before opting for supplements.
These conditions increase the risk of mental decline.
Avoiding excessalcoholis also important.
National Institute on Aging.What do we know about diet and prevention of Alzheimer’s disease?
2022;14(10):e30091.
doi:10.7759/cureus.30091
Cole GM, Ma QL, Frautschy SA.Omega-3 fatty acids and dementia.Prostaglandins Leukot Essent Fatty Acids.
2024;36(1):171. doi:10.1007/s40520-024-02823-6
National Institute on Aging.Leafy greens linked with slower age-related cognitive decline.
A systematic review and meta-analysis of randomized controlled trials.Front Aging Neurosci.
2013;8(5):e63535.
2021;18(11):e1003830.
2021;10:e79.
2023;14(4):652-670. doi:10.1016/j.advnut.2023.04.003
National Institutes of Health.Vitamin C: Fact-sheet for health professionals.
2023;15(6):1499. doi:10.3390/nu15061499
U.S. Department of Agriculture.Seeds, flaxseed.
Peter O.Salvia hispanica l (chia seeds) as brain superfood-how seeds increase intelligence.J Neurodegener Disord.
2018;2(1).
doi: 10.36959/459/595
U.S. Department of Agriculture.Navel oranges.
2024;10(2):e24430.
doi:10.1016/j.heliyon.2024.e24430
American Heart Association.Food for thought: How diet affects the brain over a lifetime.
2019;11(1):1. doi:10.1186/s13195-018-0453-0