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B12 injections are contraindicated for individuals with Lebers hereditary optic neuropathy, severe kidney disease, known cobalt or cobalamin allergy, and polycythemia vera
When taken together as GlyNAC, this power duo has shown strong clinical results in supporting glutathione production, mitochondrial rejuvenation, skin firmness, and even reversing key hallmarks of aging
However, the overall filling of the open wound to skin level with granulation tissue was significantly slower in the control group by 19 days compared to both the TCC group by 10 days and the zinc oxide group by 12 days, highlighting the positive impact of both active treatments on tissue regeneration [2]
This mechanistic difference is central to why the two are studied as a pair
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