Extract of Sweet and Sour Whey ,Naturally Sweet,Did you know that the first carbohydrate you and every other mammal on earth consumed was Lactose? Also known as "milk sugar"�, Lactose is a natural sugar found in milk. Extracted from sweet or sour whey, NOW Real Foodö Pure Lactose is about 20% the sweetness of sugar and is used in unique food applications and as a sweet addition to children's milk.,Because you are what you eat, NOW Real Foodö has been committed to providing delicious, healthy, natural and organic foods since 1968. We're independent, family owned, and proud of it. Keep it natural. Keep it real.