Cognitive & nervous system

Best foods for brain health

Foods that concentrate the nutrients your brain and nervous system depend on — from B-vitamins to omega-3 fats — ranked by nutrient focus with source-backed profiles.

Iodine35Magnesium21Niacin22Thiamin (Vitamin B1)24Tryptophan67Vitamin B1247Vitamin B624Biotin21Iron13Pantothenic acid20

Top sources

Vegetables87Meat & Poultry50Grains & Starches44

Top-ranked foods

How nutrition supports this domain

B-vitamins, omega-3 fats, and key minerals underpin nerve signalling and brain structure. These are the nutrients driving the domain most.

Primary drivers

Usually the largest share of a food's domain score.

Iodine35% influence
Reflects thyroid-hormone precursor support relevant to metabolism and development.
317 foods · 79% of domainavg 62th pct
Magnesium21% influence
Points to enzyme, nerve, muscle, and energy-metabolism support.
385 foods · 96% of domainavg 54th pct
Niacin22% influence
Captures B-vitamin support for energy metabolism, cell division, and nerves.
373 foods · 93% of domainavg 52th pct
Thiamin (Vitamin B1)24% influence
Contributes to this domain's score when Thiamin (Vitamin B1) is concentrated in the food.
366 foods · 92% of domainavg 55th pct
Tryptophan67% influence
Contributes to this domain's score when Tryptophan is concentrated in the food.
229 foods · 57% of domainavg 77th pct
Vitamin B1247% influence
Captures B-vitamin support for energy metabolism, cell division, and nerves.
153 foods · 38% of domainavg 76th pct
Vitamin B624% influence
Contributes to this domain's score when Vitamin B6 is concentrated in the food.
361 foods · 90% of domainavg 55th pct

Supporting drivers

Nutrients that reinforce the domain signal when present at meaningful levels.

Biotin21% influence
Contributes to this domain's score when Biotin is concentrated in the food.
246 foods · 62% of domainavg 72th pct
Iron13% influence
Highlights oxygen-transport capacity through haemoglobin-related nutrition.
375 foods · 94% of domainavg 54th pct
Pantothenic acid20% influence
Captures B-vitamin support for energy metabolism, cell division, and nerves.
318 foods · 80% of domainavg 62th pct

Where it comes from

Food groups contributing the most qualifying foods to this domain.

Vegetables87
Meat & Poultry50
Grains & Starches44
Herbs & Spices43
Dairy & Cheese40
Fruits38
Fish & Seafood33
Nuts & Seeds22