Collagen vs Hyaluronic Acid for skin & hair
Short answer: For skin & hair, more users report improvement with Collagen — 96% of 71 reports, versus 90% of 20 for Hyaluronic Acid.
Collagen has 9 meta-analyses and 22 randomized trials on PubMed; Hyaluronic Acid has 816 and 1,179.
Based on 292 reports about Collagen and 91 about Hyaluronic Acid. Not medical advice.
| Collagen Supplement | Hyaluronic Acid Supplement | |
|---|---|---|
| Users say it helped | 56%helped120 reports · high confidence | 76%helped23 reports · medium confidence |
| Verdict | Mixed | Mostly positive |
| Research | AResearch: Strong | AResearch: Strong |
| Meta-analyses / RCTs | 9 / 22 | 816 / 1,179 |
| Mainly used for | ||
| Skin & hair % reporting improvement | 96% (71) | 90% (20) |
| Recovery % reporting improvement | 94% (47) | 100% (4) |
| Pain & inflammation % reporting improvement | 92% (24) | 80% (5) |
| Sleep % reporting improvement | 100% (8) | — |
| Performance % reporting improvement | 100% (5) | — |
| Common side effects | fatigue, insomnia, drowsiness, histamine episode | stomach issues, irritation |
| Typical dose reported | 7 g / daily | 200 mg / not every day |
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.”
The current study found that PRP and PRP + HA were the most successful in improving function and alleviating pain after 3, 6, and 12 months of follow-up. CSC, HA, PRP, and combination therapy did not result in an increase in the incidence of treatment-related side events as compared to placebo.
BMC Musculoskelet Disord, 2023 ↗“From day 2 of my taking the capsule of hyaluronic acid, my lips stopped peeling. When I stopped taking it, my lips started peeling again.”
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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