> As a minor question, we see these studies a lot in mice. Are they being followed up in other animals and humans? Yeah, lots of aging studies exist. https://j

> As a minor question, we see these studies a lot in mice. Are they being followed up in other animals and humans? Yeah, lots of aging studies exist. https://joshmitteldorf.scienceblog.com/2017/02/06/glycine-and-mitochondria/ https://joshmitteldorf.scienceblog.com/2017/02/06/glycine-an... https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8002905/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8002905/ "Glycine and N‐acetylcysteine (GlyNAC) supplementation in older adults Glycine and N‐acetylcysteine (GlyNAC) supplementation in older adults" I have many examples of the above, in the UK the NHS stance is to give everyone and anyone who is elderly in a care home a b12 shot when possible, which is just a form of cobalt, but that assumes they have enough cysteine!