PlainPill

Collagen vs Protein for recovery

Short answer: For recovery, more users report improvement with Protein — 100% of 11 reports, versus 94% of 47 for Collagen.

Collagen has 9 meta-analyses and 22 randomized trials on PubMed; the other has not been graded.

Based on 292 reports about Collagen and 142 about Protein. Not medical advice.

Collagen
Supplement
Protein
Supplement
Users say it helped56%helped120 reports · high confidence79%helped48 reports · medium confidence
Verdict
Mixed
Mostly positive
ResearchAResearch: StrongNot graded
Meta-analyses / RCTs9 / 22—
Mainly used for
Skin & hair
% reporting improvement
96% (71)50% (2)
Recovery
% reporting improvement
94% (47)100% (11)
Performance
% reporting improvement
100% (5)95% (20)
Pain & inflammation
% reporting improvement
92% (24)—
Energy
% reporting improvement
33% (3)80% (5)
Common side effectsfatigue, insomnia, drowsiness, histamine episodeacne
Typical dose reported7 g / daily100 g / daily
Collagen
Latest review conclusion

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 ↗
What a user said
“Within hours of consumption my consistent upper back pain is literally gone, but along with it comes dizziness and a feeling of aloofness.”
Full Collagen profile →
Protein
What a user said
“I notice I will have much more energy, and stable energy through out the day when I eat a lot of protein.”
Full Protein profile →

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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