b12 injection gauge needle Shop Syringes and Needles Online Lab Needle, 12 gauge, Metal

You should get B12 shots weekly to monthly for maintenance and IV infusions monthly to quarterly for broader wellness support, though frequency depends on deficiency severity, health goals, and your providers recommendation

It is not considered a vitamin because your body is unable to synthesize it

Contains no more than 57 mcg/L of aluminum

Set BAC water for a clean syringe draw 2.5 mL is the default: Low dose: 2.5 mL BAC water 5 syringe units (0.05 mL) for a 1.6 mg dose

Not consenting or withdrawing consent, may adversely affect certain features and functions

Journal of Endocrinology and Metabolism, 4(1-2), 87-95