
Suncruz Pharmaceuticals
A 2022 study investigated how whey protein (WP) or WP hydrolysate (WPH) affected weight loss and muscle preservation in older women following an energy-restricted diet. WPH is a form of WP that is easier for the gut to absorb.
Women taking WP or WPH showed a significant decrease in body fat compared with the women who did not take WP. Women taking WPH showed the greatest reduction in weight, BMI, and body fat. Muscle mass did not change significantly in any group.
The study suggests that supplementing with WP or WPH alongside a weight-loss diet can benefit older women, with WPH potentially offering superior outcomes due to more efficient energy metabolism.
However, a 2023 review Trusted Sourceof the scientific literature concluded that protein powder's benefits for weight loss are uncertain, and more research is necessary.
Muscle growthProtein is essential for muscle growth. Many athletes and gym enthusiasts consume protein shakes because they believe they will help them bulk up after strength training.
A 2018 analysis of 49 studies supports the use of protein supplementation for this purpose. The research suggests that protein supplements significantly improve muscle size and strength in healthy adults who perform resistance exercise training, such as lifting weights.
Protein supplementation was equally effective in males and females. However, the effectiveness may decrease with age, as older adults have higher protein requirements than younger people.
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