Founded by Mr. Lee frank on august 1, 1995 for the purpose of producing the very first 100% plant-based human digestive enzyme formula in the USA, called absorb aid. Nature's sources is dedicated to enhancing the overall health of its customers Founded by Mr. Lee frank on august 1, 1995 for the purpose of producing the very first 100% plant-based human digestive enzyme formula in the USA, called absorb aid. Nature's sources is dedicated to enhancing the overall health of its customers Founded by Mr. Lee frank on august 1, 1995 for the purpose of producing the very first 100% plant-based human digestive enzyme formula in the USA, called absorb aid. Nature's sources is dedicated to enhancing the overall health of its customers