what size gauge needle for b12 injection Best IM injection.... 1. 18G 2. 22G 3. 23G 4. 25G Needle Gauges for Injections and

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10.1111/j.0954-6820.1968.tb02452.x

If its only a slight deficiency, a good quality Vitamin B12 supplement combined with a healthier diet will do the trick

PMC 6470702

The doses selected for Phase 3 (use our dosing calculator for personalized guidance), based on Phase 2 exposure-response analyses, were 6 mg, 12 mg, and 36 mg for obesity indications and 3 mg, 12 mg, and 36 mg for diabetes indications, reflecting a narrower and somewhat lower dose range than the Phase 2 program's maximum of 45 mg

Can B12 injections make you feel worse