. . . . . "It contains many vitamins, including thiamine (B1), riboflavin (B2), nicotinamide (B3), pyridoxine (B6), folic acid (B9), vitamin B12, vitamin C, vitamin D, and vitamin E. Spirulina also contains many different minerals, including calcium, chromium, copper, iron, magnesium, manganese, phosphorus, selenium, sodium, zinc, and large amounts of potassium." .