giving yourself a vitamin b12 injection Safe Guide at Home How to give yourself a

Normal size needle Intramuscular (in the muscle) 25 gauge 1 inch or 1.5 inch needle 10 sterile needles / syringes come in one box

But again, we dont want the normal range: we are always aiming for the optimal range

Wellness 19 May 2026 6 min read How long do B12 injections last

Convenient and Affordable 100% Absorption Longer duration of action (lasts longer in your system) Pre-filled syringe for accurate dosing Painless- ultra fine syringe for ease and comfort Vitamin B12 Shots deliver a powerful concentrated dose of B vitamins to improve energy, weight loss, and well-being

Usually, its 100 mg thiamine and 1,000 mcg B12