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Some studies suggest whey protein increases muscle growth, especially when combined with resistance training or in specific populations like sarcopenic elderly, while other studies indicate no significant benefits in healthy older adults or those already protein-replete.
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Whey protein is a popular supplement among athletes and individuals looking to increase muscle mass. This synthesis examines whether whey protein supplementation effectively enhances muscle growth, based on findings from multiple research studies.
Whey Protein and Muscle Mass in Elderly and Obese Adults:
Whey Protein and Muscle Growth in Healthy Older Women:
Whey Protein and Muscle Growth in Animal Models:
Whey Protein vs. Other Protein Sources:
Whey Protein and Resistance Training in Older Adults:
The evidence suggests that whey protein supplementation can enhance muscle growth and strength, particularly when combined with resistance training, in certain populations such as sarcopenic elderly and preconditioned older women. However, its effectiveness may vary based on the individual's nutritional status and baseline muscle condition. Whey protein appears to be as effective as other protein sources like soy when matched for leucine content. Overall, while whey protein can be beneficial, it may not provide additional advantages over resistance training alone in all cases.
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