Collagen pills promise younger skin – but do they deliver?
Symptom relief
Completed
This study tested whether taking 2.5 grams of specific collagen peptides daily for 8 weeks can improve skin hydration, elasticity, and wrinkles in healthy women aged 35-55. Sixty-six women took either the collagen supplement or a placebo. Researchers measured skin moisture, barri…
Phase: NA • Sponsor: Collagen Research Institute • Aim: Symptom relief
Last updated Jun 27, 2026 12:05 UTC