best place to inject a b12 shot How self administer subcutaneous injection., 1. Withdraw proper dosage from vial into an insulin syringe, 2. Clean site of injection (abdomen or other proper site), 3. Pinch the skin where you B12 Injections | Vitamin B12

An under-dosed product will never achieve the target plasma concentration, making any half-life calculation irrelevant

When assessing for vitamin B12 deficiency, in addition to checking a vitamin B12 level, consider ordering a methylmalonic acid level or a holotranscobalamin level and CBC (to assess for red blood cell size)

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Wegovy and Ozempic on their own do not include B12, which can make the combination of semaglutide with B12 more appealing for some people

Its important to keep an eye on your B12 levels and change your shot schedule if needed