Do B12 Injections Need to Be Refrigerated: 6 Cool Solutions Vitamin B 12 3000 mcg Injection 250mL B12 vitamin Store Storage Instructions for Injectable B12 Cyanocobalamin We're thrilled to announce that InVigorate IV now offers at home vitamin injection kits delivered straight to your door! Choose from a variety of essential vitamins, including B12, MIC C, Glutathione, NAD, Carnitine, Lysine, Boost your energy from the inside out Methylcobalamin (Vitamin B12) is one of the most powerful nutrients for supporting your brain, metabolism, and overall vitality. At Hive Infusion Spa, our B12 NAD+ vs. B12: What's the difference? NAD+ supports cellular energy, metabolism, and longevity at the mitochondrial level. B12 helps with red blood cell production, nerve health, and energyespecially if you're deficient.