Source

Choi 2019 — Oral collagen supplementation review

Reviewed by SkinKnowledgeBase Editorial TeamLast updated May 20, 2026

Quick Summary

Systematic review used for oral collagen supplementation evidence, study durations, and supplement-quality context.

Structured source facts
Source typepeer_reviewed

What Studied

Systematic review of randomized placebo-controlled trials using collagen supplementation in human dermatology applications.

Main Findings

The review included studies using collagen hydrolysate or collagen tripeptide over multiple-week windows and discussed skin-quality outcomes and evidence limitations.

Why It Matters

It supports a balanced answer: possible appearance signals, but product-specific and not a guarantee of firmer skin.

Original Source

Oral Collagen Supplementation: A Systematic Review of Dermatological Applications

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Source
Choi 2019 — Oral collagen supplementation review
Quick Summary
Systematic review used for oral collagen supplementation evidence, study durations, and supplement-quality context.
What Studied
Systematic review of randomized placebo-controlled trials using collagen supplementation in human dermatology applications.
Main Findings
The review included studies using collagen hydrolysate or collagen tripeptide over multiple-week windows and discussed skin-quality outcomes and evidence limitations.
Why It Matters
It supports a balanced answer: possible appearance signals, but product-specific and not a guarantee of firmer skin.
Supports
question_can-collagen-drinks-actually-firm-skin