Whey is the liquid remaining after Dairy milk has been curdled and strained. It is a byproduct of the manufacture of cheese or casein and has several commercial uses.
Whey protein is commonly marketed as a dietary supplement. It is found as a food additive in many protein-powders and snack bars.
People who follow Vegan and Plant-based diets, or who are lactose intolerant, do not consume it.
- Whey protein concentrate
- Whey protein hydrolysate
- Whey protein isolate
Throughout history, whey was a popular drink in inns and coffee houses. Today it is common additive in many processed foods, including: breads, crackers, commercial pastries, and in animal feed.