where do they put b12 injections to Safely Inject B12: A Comprehensive Guide B12 Shots vs. IV Infusions:
Description
Pregnancy and breastfeeding : not studied
Can you drink alcohol before surgery

A U-100 insulin syringe with half-unit or fine gradations makes this dose far easier to measure accurately than a standard 1 mL syringe

limited evidence

200300 mcg
