The foods that give you the most nutrition per bite, and simple ways to build them into everyday meals.
What to look for
Each entry below covers one whole food — what it contains according to the USDA FoodData Central database and what published guidelines and NIH fact sheets report — with references at the end of every page.
Top picks
Nine nutrient-dense whole foods, documented from USDA and NIH sources.
Whole food
Eggs
A complete protein source whose full nutrient profile is published in the USDA FoodData Central database.
Learn more ↗Whole food
Salmon & Oily Fish
The main whole-food source of EPA and DHA omega-3 fats, documented by USDA FoodData Central and the NIH Office of Dietary Supplements.
Learn more ↗Whole food
Greek Yogurt
A strained dairy protein source whose composition is published in USDA FoodData Central.
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Oats
A whole grain carrying beta-glucan fibre, with cholesterol effects quantified in a published meta-analysis of randomised trials.
Learn more ↗Whole food
Berries & Blueberries
Low-calorie fruit dense in vitamin C, fibre and polyphenols, with composition published in USDA FoodData Central.
Learn more ↗Whole food
Leafy Greens
Spinach, kale and other dark greens dense in vitamin K and folate, documented in USDA FoodData Central and NIH fact sheets.
Learn more ↗Whole food
Lentils & Legumes
Beans, lentils and chickpeas — plant protein plus fibre, with composition published in USDA FoodData Central.
Learn more ↗Whole food
Nuts & Almonds
Energy-dense sources of unsaturated fat, vitamin E and magnesium, documented in USDA FoodData Central.
Learn more ↗Whole food
Sweet Potato
A starchy root vegetable and one of the richest food sources of provitamin A, documented by USDA and the NIH.
Learn more ↗Nutrient values are as published by the USDA and vary with variety and preparation. This is general information, not dietary advice — allergies, medication interactions and conditions belong with a clinician or registered dietitian.
