Do Collagen Supplements Work?

Nutrition Facts with Dr. Greger - A podcast by Michael Greger, M.D. FACLM - Thursdays

New studies reveal some interesting results. This episode features audio from: * Do Collagen Supplements Work for Skin Aging? * Collagen Supplements for Arthritis * How to Boost Collagen Synthesis with Diet Visit the video pages for all sources and doctor's notes related to this podcast.