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how to inject b12 in my butt Vitamin Best Vitamin B12 Injection Site:
Description
Research-only note: 5-Amino-1MQ is not FDA-approved for therapeutic use

A 150 mcg dose = 0.045 mL = about 45 units on a U-100 syringe
Vitamin B12 deficiency in the elderly

In some cases, taking both together might be helpful, but this isnt a blanket recommendation for all patients on GLP-1 treatment

Consult published literature for dosing parameters
