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Can taking too much vitamin B12 through injections cause concerns
The product also downregulates lipogenic genes (e.g., FAS, SREBP1c), further improving hepatic lipid metabolism-again via nicotinamide regulation and NAD+ homeostasis
There has not been a UL (upper intake level) established for B12 because it is not stored in your body and therefore, can not build up enough to cause serious adverse side effects for most people
However, self-prescribing is never a good idea
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