Whey protein is the protein contained in whey, the watery portion of milk that separates from the curds when making cheese. Whey protein is used for improving athletic performance, as a food supplement, as an alternative to milk for people with lactose intolerance, for replacing or supplementing milk-based infant formulas, and for reversing weight loss and increasing glutathione (GSH) in people with HIV disease. Whey protein is also used for protein allergy, asthma, high cholesterol, obesity and weight loss, preventing allergies in infants, late-stage cancer, and colon cancer. Uses : Improving athletic performance. Some clinical research shows that taking whey protein in combination with strength training increases lean body mass, strength, and muscle size. Decreasing weight loss in people with HIV disease (AIDS). Side Effects : Whey protein is LIKELY SAFE for most adults when used appropriately. High doses can cause some side effects such as increased bowel movements, nausea, thirst, bloating, cramps, reduced appetite, tiredness (fatigue), and headache. Special Precautions & Warnings: Pregnancy and breast-feeding: Not enough is known about the use of whey protein during pregnancy and breast-feeding. Stay on the safe side and avoid use. Milk allergy: If you are allergic to cow’s milk, avoid using whey protein. Source
