Name: What is collagen? A closer look at the trendy supplement
Uploaded: Thu Jun 24 2021 13:33:14 GMT+0000 (UTC)
Duration: 5 min 18 s
Description: NBC News investigative and consumer correspondent Vicky Nguyen learns more about the effectiveness of collagen supplements. She talks to doctors about the efficacy of the supplement, what to look for before purchasing a collagen product, and alternatives to try before adding collagen to your diet.

June 24, 202105:18