b12 injection arm Best Vitamin Sites: Where to Inject B12 · PA Relief B12 vitamin Store How to

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If you are getting both injections, they can even be given on the same day (different syringes, possibly different sites)

With intramuscular (IM) injections the standard treatment for severe deficiency or malabsorption conditions like pernicious anaemiaserum B12 levels rise rapidly, typically reaching therapeutic ranges within 2448 hours after the first injection