Whey protein (WP) is a widely consumed nutritional supplement that enhances strength and muscle mass during resistance training (RT) regimens. Muscle protein anabolism is acutely elevated following RT, which WP further enhances.

Dietary protein supplementation significantly enhanced muscle strength and size changes during prolonged RET in healthy adults. Increasing age reduces, and training experience increases the efficacy of protein supplementation during resistance exercise training.

A meta-analysis showed that whey protein might reduce the long and short-term appetite.

A meta-analysis of a control group showed that whey protein supplementation seems to improve body weight, total fat mass, and some CVD risk factors in overweight and obese patients.

Whey protein that contains higher amounts of essential amino acids can considerably modify muscle synthesis. After extensive studies, results showed a significant increase in lean body mass after whey protein supplementation. Researchers found no significant changes between soya protein supplementation and body composition parameters.

Whey, a protein complex derived from milk, is touted as a functional food with several health benefits. The biological components demonstrate a range of immune-enhancing properties. In addition, whey can act as an antioxidant, antihypertensive, antitumor, hypolipidemic, antiviral, antibacterial, and chelating agent. Several clinical trials have successfully concluded using whey to treat cancer, HIV, hepatitis B, cardiovascular disease, osteoporosis, and as an antimicrobial agent.

This study suggests that increasing the concentration of leucine in an essential amino acid supplement consumed during steady state exercise elicits a greater muscle protein synthesis response during recovery