Spirulina is rich in vitamins (A, B1, B2, B3, B6, B12, PP, C, E, biotin, inositol, folic and pantothenic acids), minerals (sodium, chlorine, calcium, potassium, iron, phosphorus, magnesium, manganese, zinc, iodine, copper, chromium, selenium), as well as 60 % of natural protein. Spirulina is the leader in the content of natural protein in its composition among other protein products - meat, beans and cereals.