can b12 injections make you tired Why do I feel worse after a injection? Why Do I Feel Worse

Our B12 injection therapy helps you restore energy, sharpen focus, and support metabolism quickly and effectively

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Methylcobalamin is the active coenzyme form of B12, while cyanocobalamin is a synthetic form requiring conversion in the liver

Wang X, Hu A, Chen X, Zhang Y, Yu F, Yue S, et al

Cobalamin isnt produced by plants or animals but by bacteria