Collagen Powder
People mainly take Collagen Powder for skin & hair, recovery, performance. Based on 19 first-hand reports and 0 meta-analyses & systematic reviews in the medical literature. Ranked #130 of 1,974 overall.
Of reports that state an outcome, 66% are positive.
What Collagen Powder does, according to users
Of the people who reported each effect, the share who said it got better.
1 more with fewer than 3 reports
What the research says
Systematic reviews and meta-analyses from PubMed, with their published conclusions.
At least one meta-analysis, or 5+ randomized controlled trials. The grade measures how much human research exists — read the conclusions below for what it found.
Dosage people report
As stated by users — not a recommendation. Follow the label or your doctor.
Reported side effects
How often each side effect came up across all reports.
What users say
Verbatim quotes, shortened only — each links to the original discussion.
“Mix l-tryptophan with collagen powder and consume before bed.”
“Collagen powder or bone broth”
“I'm also quite concerned about possible side effects, and how I'd manage without it. Now I'm taking closer to 15g spread throughout the day, some of that in the form of collagen.”
“My skin is clearer too.”
“He said he's been taking it for two months & has noticed a big difference...pain he used to have has decreased dramatically”
Other options for skin & hair
User data from public discussions; research from PubMed. Information only, not medical advice — talk to a doctor before starting, stopping or combining anything. Data updated October 2, 2026. How we rate