What is Amaranth Flour? Amaranth Flour was widely used by the Aztec & Inca civilizations of the pre-Columbian Americas & it is produced by grinding seeds from the amaranth plant into a superfine powder. Amaranth Flour Benefits Amaranth Superfine Flour is high in fibre providing over 9g of fibre per 100g & low in saturated fat & salt. Amaranth Flour is a source of complete protein containing all the essential amino acids & is particularly high in lysine. It is also a good source of magnesium & iron & is high in dietary fibre. Who is Amaranth Flour Suitable for? Amaranth Superfine Flour is ideal for anyone looking to increase daily fibre intake. Amaranth Flour can be added to foods to improve the nutritional content as well as being consumed separately as a high carbohydrate (low GI) & high fibre food supplement.