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Potential Side Effects and Precautions B12 injections, generally safe, can cause mild side effects and require professional guidance
Rigorous testing is essential
It belongs to the bioregulator peptide class developed by Vladimir Khavinson at the Saint Petersburg Institute of Bioregulation and Gerontology
Be careful with it if it is in a product for daytime use
These associations were independent of demographic, socioeconomic, lifestyle factors, use of medications that could have an effect on serum vitamin B12 levels, dietary supplement use and fasting time
New England Journal of Medicine , 389(6), 514-526
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