Key takeaways B12 shots help most when theres a true deficiency or an absorption problem (like pernicious anemia or after GI surgery)
Kraus D, Yang Q, Kong D, Banks AS, Zhang L, Rodgers JT, Pirinen E, Pulinilkunnil TC, Gong F, Wang YC, Cen Y, Sauve AA, Asara JM, Peroni OD, Monia BP, Bhanot S, Alhonen L, Puigserver P, Kahn BB
Original price was: $81.49.Current price is: $69.19
[22] Each 1 mL of Lipo-B injection typically contains approximately 25 mg of methionine, 50 mg of choline chloride, and 1 mg of cyanocobalamin (vitamin B), provided in multi-dose vials by compounding pharmacies
People can also have 'normal' levels of B12 in their blood, but be symptomatic - this is known as a functional B12 deficiency