what does the b12 injection do Vitamin Dosage Vitamin B12 Injections for Energy,

Babula JJ, Bui D, Stevenson HL, Watowich SJ, Neelakantan H

HeLa cells are originally derived from cervical cancer cells and are used extensively in scientific research

Once the 28-day refrigerated-use window is included, that works out to three 80 mg vials at the low 1.6 mg dose, three at the standard 3.2 mg dose, or four at the elevated 4.8 mg dose

Before taking, speak with your doctor if you are allergic to vitamin b12, have a genetic condition called optic atrophy, have blood in your urine, polycythemia, an ongoing infection, low iron or folate levels, are pregnant or plan to become pregnant, are breastfeeding or plan to breastfeed