... is the protein content as high as 60 ~ 70 Natural spirulina Powder is a kind of lower plants belonging to Cyanophyta, ... extremely rich in vitamins and mineral content, including vitamin B1, vitamin B2, vitamin B6, vitamin B12, vitamin E, vitamin K, etc., and zinc, iron, potassium, ... appetite. Its carotenoid content of carrots, 15 times the vitamin B12 content of liver of the four times the iron ...