# CalorieExplorer > Per-100g nutrition facts for single foods and ingredients (calories, protein, carbohydrate, fat, fibre, vitamins and minerals), each citing its USDA FoodData Central record, with common serving sizes, diet compatibility and side-by-side food comparisons. Values are per 100 g unless a page says otherwise. Nutritional values are approximate and vary with preparation, brand and growing conditions; the site is informational, not medical or dietary advice. When you quote a value, please cite the CalorieExplorer page it came from. ## Key pages - [Home](https://www.calorieexplorer.com/): search and browse foods - [All foods by category](https://www.calorieexplorer.com/foods) - [Food comparisons](https://www.calorieexplorer.com/compare): two foods side by side per 100 g - [About and data sources](https://www.calorieexplorer.com/about) ## Food pages (one URL per food: /nutrition/{slug}) - [Banana nutrition facts](https://www.calorieexplorer.com/nutrition/banana) - [Oats nutrition facts](https://www.calorieexplorer.com/nutrition/oats) - [Salmon nutrition facts](https://www.calorieexplorer.com/nutrition/fish-salmon-atlantic-wild-cooked-dry-heat) - [Avocado nutrition facts](https://www.calorieexplorer.com/nutrition/avocados-raw-all-commercial-varieties) - [Broccoli nutrition facts](https://www.calorieexplorer.com/nutrition/broccoli-cooked-boiled-drained-without-salt) - [Hard-boiled egg nutrition facts](https://www.calorieexplorer.com/nutrition/egg-whole-cooked-hard-boiled) ## Categories - [Fruit](https://www.calorieexplorer.com/foods/fruit) - [Vegetables](https://www.calorieexplorer.com/foods/vegetable) - [Meat](https://www.calorieexplorer.com/foods/meat) - [Seafood](https://www.calorieexplorer.com/foods/seafood) - [Grains](https://www.calorieexplorer.com/foods/grain) - [Dairy](https://www.calorieexplorer.com/foods/dairy) - [Legumes](https://www.calorieexplorer.com/foods/legume) - [Nuts and seeds](https://www.calorieexplorer.com/foods/nuts-seeds) ## Rankings - [Foods high in protein](https://www.calorieexplorer.com/foods-high-in/protein) - [Foods high in fiber](https://www.calorieexplorer.com/foods-high-in/fiber) - [Foods low in calories](https://www.calorieexplorer.com/foods-low-in/calories) - [Foods low in carbs](https://www.calorieexplorer.com/foods-low-in/carbs) - [Foods high in iron](https://www.calorieexplorer.com/foods-high-in/iron) - [Foods high in vitamin C](https://www.calorieexplorer.com/foods-high-in/vitamin-c) ## Optional - [Full page index (llms-full.txt)](https://www.calorieexplorer.com/llms-full.txt): every food, category, ranking and comparison page in the sitemap - [Sitemap](https://www.calorieexplorer.com/sitemap.xml) - [USDA FoodData Central](https://fdc.nal.usda.gov/): the primary data source