A review published in 2010 in the European Food Safety Authority Journal concluded that the provided literature did not adequately support the proposed claims.
[3] Processing can be done by simple drying, or the relative protein content can be increased by removing the lactose, lipids and other non-protein materials.
However, GMP lacks the secondary structure necessary for it to be classified as a protein and is considered a long amino acid chain.
[18][19] Whey protein is commonly marketed as a dietary supplement, typically sold in powdered form for mixing into beverages.
[2] Whey protein is also commonly used as a thickener to improve texture and decrease syneresis in many types of yogurt.
Eating whey protein supplements before exercise will not assist athletic performance, but it will enhance the body's protein recovery and synthesis after exercise because it increases the free amino acids in the body's free amino acid pool.
[20] In 2010, a panel of the European Food Safety Authority (EFSA) panel examined the effects of whey protein on weight loss (via both fat loss and increased satiety) and strength and muscle building.