Bovine or Marine Collagen clinical trials

Benefit of Bovine or Marine Collagen Vs. Placebo on Skin, Hair, Nails and Whole Body Health in Healthy Adults

This study looks at how collagen supplements (from cows or fish) compare to a dummy pill for improving skin, hair, nails, and general well-being in healthy women aged 35-55. We want to see if collagen helps and which type might be best.