TargetedMuscle, boneAnimal-derived
Collagen peptides
Several small RCTs are positive for skin elasticity and joint pain; for muscle, whey wins.
3/5· Multiple human trialsEstimated monthly cost: ≈ 18 €
Dose
10–15 g daily, with vitamin C.
Timing
An hour before training (joints) or any time.
⚠ Cautions
Animal-derived; not a complete protein, counts only partly towards daily protein.
What it is
Hydrolysed collagen; Gly-Pro-Hyp peptides stimulate fibroblasts.
What the evidence shows
Meta-analysis of 19 RCTs (n=1,125): improved skin hydration and elasticity after 90 days. In active athletes, 10 g/day reduced joint pain.
Goals
Skin, hairMuscle, strength
Sources
Last reviewed: 6 September 2026
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