size of needle for b12 intramuscular injection Dr. prescribed injections. Pharmacy only gave me vials. Where do you get your needles and syringes? What size?? Where do I inject? : r/B12_Deficiency needle size for im injection
Description
Combined administration of vitamins B1, B6 and B12 is not expected to have a negative effect on the pharmacokinetics of the individual vitamins

5mg, 99%+ purity, HPLC verified, COA with every batch

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