It's traditionally made from leftover whey, a yellow liquid byproduct of the cheesemaking process (to which whole milk and vinegar are sometimes added). From there, the whey is heated, making any ...

Whey protein is a supplement that some people use to increase their protein intake or to help boost muscle protein synthesis and lean muscle mass growth. Milk consists of two proteins: casein and ...

Whey protein comes from whey in milk, the liquid that separates from curds when making cheese. Many people use whey protein powder to build muscle, improve strength, and meet daily protein needs.

Best whey-protein powders Best collagen-protein powder Best plant-based protein powders All the other protein powders I’ve tried Protein powders can be found in thousands of formulations on tens ...