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For most people, we definitely recommend SQ over IM

"Association of nicotinamide-N-methyltransferase mRNA expression in human adipose tissue and the plasma concentration of its product, 1-methylnicotinamide, with insulin resistance." Diabetologia

Any therapeutic use occurs under physician supervision as off-label research application requiring comprehensive informed consent, medical monitoring, and understanding that the peptide is not an approved pharmaceutical agent

Please visit a health care provider for evaluation, diagnosis and treatment of any symptoms you may be experiencing

This mix might make it more effective

Age can affect how well the body absorbs and uses vitamin B12