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Bryan Johnson (Blueprint)@blueprintweb

Prendre des peptides de collagène par voie orale

what it claims

Consume 20 to 30 grams of oral collagen peptides daily, ideally combined with vitamin C to optimize their absorption and maximize the benefits for skin quality.

mixed

The idea of combining collagen peptides with vitamin C is particularly interesting, as the latter is an essential cofactor for the natural production of collagen by our skin…

noli's read

The idea of combining collagen peptides with vitamin C is particularly interesting, as the latter is an essential cofactor for the natural production of collagen by our skin cells. A randomized controlled trial (RCT) conducted by Žmitek and his team in 2024 confirmed that such a synergy measurably improves skin density and firmness. However, stating that vitamin C maximizes the digestive 'assimilation' of peptides is inaccurate, as its beneficial action occurs later, during tissue reconstruction. Regarding the overall efficacy of collagen, a 2023 meta-analysis of 26 RCTs supports its benefits for hydration and elasticity. This finding is nevertheless nuanced by another rigorous 2025 meta-analysis published in the American Journal of Medicine, which highlights that these benefits diminish when isolating high-quality independent studies. Finally, the recommended dose of 20 to 30 grams is largely overestimated for skin health, as science validates notable effects at doses as low as 2.5 to 10 grams per day.

the sources

Claimed by Bryan Johnson (Blueprint). Noli grades the claim, never the person.

Decoded by Noli · July 13, 2026 · the original post

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