needle for vitamin b12 injection injections size B12 Injections at Allura Skin, Laser & Wellness Clinic How to Give a B12

On a standard 1 mL insulin syringe, each small tick mark equals 1 unit (0.01 mL)

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You can also plug your own vial size and target dose into the dosage calculator to confirm the draw

Alcohol swabs, clean gauze or cotton balls , and optionally a band-aid

Standard dosing protocol: Dose: 250-500mcg per injection Frequency: Twice daily (morning and evening) Duration: 4-8 weeks depending on injury severity Injection site: As close to injury as safely possible Weight-based dosing: Some people dose by body weight: 2.5-4 mcg per kilogram

A 10 mg vial reconstituted with bacteriostatic water yields about 3.33 mg/mL