Featured research
Pu et al. (2023) - Systematic review and meta-analysis of randomized controlled trials on collagen peptides and skin hydration and elasticity.
Why we like this study
If you want the most trustworthy big-picture view of collagen research, meta-analyses are a great place to start. They combine results across multiple randomized controlled trials (often called RCTs), which are among the strongest study designs in nutrition research.
Study snapshot
- Type: Systematic review and meta-analysis
- Included studies: Randomized controlled trials
- Measured outcomes: Skin hydration and skin elasticity
What the researchers found
Across the pooled results, collagen peptide supplementation was associated with:
- Improved skin hydration
- Improved skin elasticity
What this means for you
This does not mean collagen changes everything overnight. It means something more practical: in controlled studies, people who took collagen peptides consistently often showed measurable improvements compared with placebo.
How to use this insight
Most collagen studies evaluate outcomes after several weeks. The best way to think about collagen is as a daily routine - consistency first, then reassess how you feel and what you notice over time.
Relevant Magic You products
- ten+beauty - Yes
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- 24k - Yes
Read the research
Educational content only. Not medical advice.