The common marketing narrative that consuming collagen is beneficial because 'you need it in those tissues so consuming it will help those tissues' is logically appealing but empirically unsupported for muscle connective tissue and may reflect a fundamental confusion about nutritional logic.
causalpending
Speaker
Unidentified Speaker — Are collagen supplements effective and worth taking? | Pete… [mHTcezYApFc]Evidence Quote
“so the story is uh makes sense but it's a little bit like um yeah if you eat something that you need it's going to be better for you but the question is do we already get enough Glycine and proline in our diet”
Source
Are collagen supplements effective and worth taking? | Peter Attia and Luc van Loon— Peter Attia MDCreated: 8/12/2026, 6:08:47 PM
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