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Description
L-methymalonyl-CoA mutase converts L-methymalonyl-CoA to succinyl-CoA, which is essential for the metabolism of protein and fat
The Bottom Line Copper peptides are one of the most-researched anti-aging ingredients in dermatology, with head-to-head data showing they outperform both vitamin C and retinoic acid for collagen stimulation

[DOI] [PubMed] [Google Scholar] 295.Sarkar C., Chakroborty D., Goswami S., Fan H., Mo X., Basu S

That said, it always pays to err on the side of caution and I wouldn't use out of date ones in somebody else, unless I had no option
