A dietary supplement is recommended to people who do not get complete nutrition in their diet. Extra nutrients are required by growing children and people into muscle building. Whey protein is the most suitable supplement that increases strength, grows muscle, boosts immunity and manages hunger. This is a zero calorie and zero fat powder available in chocolate flavour. The dosage of whey protein isolate depends on the fitness goals. People can take it on daily basis following the instructions. It is also beneficial in lowering cholesterol and regulating blood pressure.