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where to inject b12 in arm Vitamin C and Injection Techniques Best Vitamin B12 Injection Sites:
Description
The results of an experimental study revealed that methyl donor supplementation, in which folate and vitamin B12 were among them, could improve obesogenic diet-induced hepatic triglyceride accumulation in a sample of rats 27

While the injections take hold relatively fast, their effects are not immediate

[DOI] [PubMed] [Google Scholar] 44
refrigeration at 4 C (39 F) is acceptable for short-term storage (days to weeks)
