Hair loss hope? supplement study tests thicker, stronger hair
Symptom relief
Ongoing
This study tests a dietary supplement containing biotin, collagen, and keratin in 40 adults aged 21-50 who feel their hair is thinning. Participants take either a lower or higher dose for 3 months. Researchers measure hair thickness and strength using scalp photos and participant…
Phase: NA • Sponsor: Nutra Harmony LLC • Aim: Symptom relief
Last updated May 17, 2026 10:26 UTC