US$ 27.05
vitamin b12 injection or oral The Advantages of Injections Versus Supplements: Shawn Veiseh, M.D.: Family Medicine Do You Need a Prescription
Description
Common Side Effects Mild pain or redness at the injection site Temporary dizziness Serious Side Effects Allergic reaction (rare) Swelling or breathing difficulty Serious reactions are uncommon, but you should seek medical help if symptoms worsen

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Transient palpitations: It may be related to sympathetic nerve excitation caused by the activation of 3-AR, with an incidence rate of less than 5%
