A recent meta analysis suggests the positive results for collagen are mostly fun...

		rjdj377dhabsn 10 days ago \| parent \| context \| favorite \| on: Anti-aging injection regrows knee cartilage and pr... A recent meta analysis suggests the positive results for collagen are mostly funding bias. See discussion here: https://massresearchreview.com/2025/09/29/connecting-the-dot... I have been taking collagen, but will likely stop.