5-amino-1mq full name 5-Amino-1MQ 50mg | Research Peptide
Description
If you are not deficient then any B12 injected that is not needed and surplus will simply be eliminated by your body

Food Nutr Bull 2008;29:S238-44

When evaluating suppliers, researchers should look for third-party testing certificates showing purity of 98% or higher, clear documentation of the compound identity, established reputation in the research community, and responsive customer service that can answer technical questions

If you are breastfeeding or plan to breastfeed, inform your doctor
