Collagen supplements are a huge newcomer to the sports supplements minefield. But will they make your ligaments and tendons stronger or more resistant to injury. I don't supplement them myself. Here's why.

My book Make or Break on climbing injury prevention and treatment:
https://www.davemacleod.com/shop/make...

Scientific references discussed in this video:
https://www.davemacleod.com/blog/coll...

Chapters:
00:00 - Every climber should be taking collagen?
01:12 - Its all about glycine and proline
02:32 - Argument 1: We need to eat whole animals
05:43 - Argument 2: We make too little glycine?
13:52 - Does supplementation work though?
21:43 - What I do instead of supplementing collagen
22:58 - Are there any harms of collagen?
23:56 - Big hitters for tendon strength/injury risk
25:51 - The irony of buying cow skin for 40 dollars a bag
27:15 - A supplement I take and you should consider