before you give a b12 injection questionaire Best Vitamin Site: Administering B12 Shots Vitamin B12 Injection Consent Forms
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Injection Site Selection

If your diet consists primarily of plant-based foods like fruits, veggies, beans, and meat substitutes- as many vegetarian or vegan diets do, then you will be at risk for B12 deficiency
Nevertheless, a pharmacy can not dispense, and a physician is not supposed to administer a medicine beyond its expiration date

But as far as humans go, high-quality studies are still needed to confirm if vitamin B-12 injections can actually contribute to weight gain
