NutritionDB
108 nutrients, vitamins, minerals, and supplements explained with evidence based information. From essential vitamins to emerging compounds.
Essential Nutrients
Vitamin C
Vitamin C, or ascorbic acid, is a water soluble vitamin required for collagen synthesis, where it acts as a cofactor for the enzym...
Vitamin D
Vitamin D is a fat soluble secosteroid that the skin can synthesize on exposure to ultraviolet B light, which is why it is often d...
Iron
Iron is an essential trace mineral found in hemoglobin, which carries oxygen in the blood, in myoglobin, which stores oxygen in mu...
Magnesium
Magnesium is one of the most abundant minerals in the body and the second most abundant cation inside cells after potassium, with ...
Omega 3 Fatty Acids
Omega 3 fatty acids are polyunsaturated fats whose first double bond lies at the third carbon from the methyl end of the chain. Th...
Protein
Protein is a macronutrient that provides 4 calories per gram and is made of chains of amino acids. Proteins build and repair tissu...
Calcium
Calcium is the most abundant mineral in the body, with about 99 percent stored in bones and teeth as hydroxyapatite. Official reco...
Zinc
Zinc is the second most abundant trace mineral in the body after iron. Official recommended intakes vary by age, sex and life stag...
Creatine
Creatine is a nitrogenous organic acid first identified in 1832 by the French chemist Michel Eugene Chevreul, who named it after t...
Vitamin B12 Cobalamin
Vitamin B12, or cobalamin, is the only vitamin that contains a metal ion, cobalt, and has the most complex structure of all the vi...