Health & Nutrient Dictionary

Explore foods, nutrients, ingredient forms and nutrition concepts, with scientific references and related reading.

1,033 entries · Search the complete dictionary, browse A–Z or choose a category.

Showing 1–26 of 26 entries.

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• OatGrains legumes nuts seeds
• Oat beta-glucanFiber & prebiotics
• Oat branGrain foods and flours
• OctopusAnimal foods & dairy
• OkraVegetables & roots
• Oleic acidFatty acids & fats
• OleuropeinPlants & plant compounds
• Olive leaf extractPlants & plant compounds
• Olive oilEdible oils
• Omega-3 fatty acidsFatty acids & fats
• Omega-6 fatty acidsFatty acids & fats
• Omega-9 fatty acidsNutrition and metabolism concepts
• OnionVegetables & roots
• OptiMSMOther nutrients & preparations
• OrangeFoods & macronutrients
• Orange juicePrepared foods and ingredients
• Orange peelFoods & macronutrients
• OreganoHerbs spices botanicals
• Oregon grape rootOther nutrients & preparations
• Organic acidsPlants & plant compounds
• OrnithineAmino acids & related compounds
• Other omega-3 fatty acidsFatty acids & fats
• Oxidative phosphorylationNutrition and metabolism concepts
• Oxidative stressNutrition and metabolism concepts
• OysterAnimal foods & dairy
• Oyster mushroomVegetable foods