Season 1 Episode 65
The source provides a comprehensive overview of the available evidence concerning collagen supplementation, particularly its effects on skin outcomes and lifting-related results. It notes that while some studies, especially industry-funded or low-quality research, show benefits for skin hydration and elasticity, high-quality studies often yield non-significant results, leading to skepticism about cosmetic efficacy. For physical performance, recent meta-analyses indicate that collagen supplementation combined with training may improve fat-free mass and maximal strength compared to non-protein placebos; however, the author questions the practical applicability of these findings since collagen is a low-quality protein compared to other viable sources. Ultimately, the author maintains a pessimistic view due to the messy evidence, methodological biases, and the lack of studies comparing collagen to more effective protein alternatives like whey or simple amino acids such as glycine.
Published on 1 day, 7 hours ago
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