Dr. Moyad says he also worries about contaminants in collagen supplements and foods. “Since this stuff comes primarily from ground-up animal parts, I would want to know the heavy metal content of these supplements, and also the creatinine content,” he says. Harmful heavy metals like copper and arsenic have turned up in meat products, and creatinine is a toxic breakdown product that comes from muscle tissue.
January 8, 2018
TIME Magazine speaks to Dr. Mark Moyad on collagen supplements
The director of preventive and alternative medicine for University of Michigan Urology spoke to the magazine on collagen's potential benefits.