USDA

U.S. DEPARTMENT OF AGRICULTURE

USDA – Spirulina, serves as a nutritional supplement and food additive and, also, as a feed component.” (USDA Economic research service , June 13, 2012) Contains the highest ratio of essential amino acids in a natural, bioavailable form when compared to peas, beans, spinach, soy, whey or egg whites (USDA listings)