Table 1. Demographic information and characteristics of participants prior to supplementation (PPset)

From

The Beneficial Effects of Collagen Tripeptide on Deep Wrinkling and Skin Moisturization: A Randomized Controlled Trial

Jin Hee Shin, Ae Hyang Kim, Hyun Woo Lee, Jun Il Kim, Hae Kwang Lee

Journal of Food and Nutrition Research. 2021, 9(10), 508-515 doi:10.12691/jfnr-9-10-2