Randomized Trialhigh evidence
The combined effects of whey protein and collagen supplementation on bone mineral density and muscle mass in resistance-trained men: a randomized controlled trial.
BMC sports science, medicine & rehabilitation·July 9, 2026·PMID 42426859
Why it mattersFor performance and longevity specialists, this study suggests that adding collagen to whey protein may enhance both muscle and bone adaptations to resistance training, potentially offering a simple nutritional strategy to optimize musculoskeletal health in active populations.
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