Jelly for beauty? 40 women test collagen for hair, skin, and joints
Symptom relief
Completed
This study tested a collagen jelly in 40 women aged 30-55 over 12 weeks. Participants took the jelly and submitted photos and surveys to see if it improved skin, hair, nail, and joint health. The goal was to ease common concerns like skin aging, hair thinning, and joint stiffness…
Phase: NA • Sponsor: Nag Food Supplement Trading LLC • Aim: Symptom relief
Last updated May 05, 2026 11:55 UTC