Spirulina is very rich in protein-the protein content in dry matter is about 70 %. It is a source of vitamins such as e.g. A (the vitamin is mainly present in the form of the precursor β-carotene 700-1700 mg/kg), B1, B2, B3, B6, B12, C, D, E, K, but it is also a source of magnesium, potassium, phosphorus, copper, chromium, manganese, selenium, sodium as well as zinc.
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