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Healthcare providers should consider this limited evidence base when making treatment decisions and should discuss these limitations with patients
Summary If you are deficient in vitamin B12, then the injections are very effective at raising your blood levels
Another user throws away perfectly good GHK-Cu at day 20 thinking it expired
(what science says) The short answer is yesvitamin B12 shots do work, but their effectiveness depends heavily on who is receiving them and why
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