Collagen vs Collagen Peptides for skin & hair
Short answer: For skin & hair, users rate them about the same: 96% report improvement with Collagen (71 reports) and 95% with Collagen Peptides (21 reports).
Collagen has 9 meta-analyses and 22 randomized trials on PubMed; Collagen Peptides has 6 and 75.
Based on 292 reports about Collagen and 65 about Collagen Peptides. Not medical advice.
| Collagen Supplement | Collagen Peptides Supplement | |
|---|---|---|
| Users say it helped | 56%helped120 reports · high confidence | 63%helped27 reports · medium confidence |
| Verdict | Mixed | Mostly positive |
| Research | AResearch: Strong | AResearch: Strong |
| Meta-analyses / RCTs | 9 / 22 | 6 / 75 |
| Mainly used for | ||
| Skin & hair % reporting improvement | 96% (71) | 95% (21) |
| Recovery % reporting improvement | 94% (47) | 100% (14) |
| Pain & inflammation % reporting improvement | 92% (24) | 100% (7) |
| Performance % reporting improvement | 100% (5) | 100% (4) |
| Sleep % reporting improvement | 100% (8) | — |
| Common side effects | fatigue, insomnia, drowsiness, histamine episode | increased heart |
| Typical dose reported | 7 g / daily | 15 g / daily |
The findings of improved hydration and elasticity were also confirmed in the subgroup meta-analysis. Based on results, ingestion of hydrolyzed collagen for 90 days is effective in reducing skin aging, as it reduces wrinkles and improves skin elasticity and hydration.
Int J Dermatol, 2021 ↗“Within hours of consumption my consistent upper back pain is literally gone, but along with it comes dizziness and a feeling of aloofness.”
In this systematic review, three different mechanisms of action were clarified for the intervention. Direct effects of collagen peptides on fibroblasts, M2-like macrophages, and oral tolerance-related mechanisms are the possible mechanisms for the beneficial effects of collagen supplementation.
J Cosmet Dermatol, 2020 ↗“It's been 3 months now, and even though I lift heavier, I no longer feel any joint pain”
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Percentages come from first-hand user reports and are not clinical outcomes. Talk to a doctor before starting, stopping or combining anything. How we rate