where can i buy b12 injections for humans Injectable Vitamin | OTC B12 Shots multivitamin Size:1 Kilogram (2.2 lbs) Vitamin B12 levels low?

where can i buy b12 injections for humans Injectable Vitamin | OTC B12 Shots multivitamin Size:1 Kilogram (2.2 lbs) Vitamin B12 levels low?

Vitamin B12 levels low? My patient would get a headache every morning, not knowing it was a red flag for deficiency

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Size:1 Kilogram (2.2 lbs)

2.5 mg/mL mix (standard, easier to measure) Vial size 2 mg BAC water 0.8 mL 0.25 mg 0.10 mL (10 u) 0.5 mg 0.20 mL (20 u) 1.0 mg 0.40 mL (40 u) 1.7 mg 0.68 mL (68 u) 2.4 mg 0.96 mL (96 u) Vial size 3 mg BAC water 1.2 mL 0.25 mg 0.10 mL (10 u) 0.5 mg 0.20 mL (20 u) 1.0 mg 0.40 mL (40 u) 1.7 mg 0.68 mL (68 u) 2.4 mg 0.96 mL (96 u) Vial size 5 mg BAC water 2.0 mL 0.25 mg 0.10 mL (10 u) 0.5 mg 0.20 mL (20 u) 1.0 mg 0.40 mL (40 u) 1.7 mg 0.68 mL (68 u) 2.4 mg 0.96 mL (96 u) u = units on a U-100 insulin syringe