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The extensor tendons on the back of your wrist or the flexor tendons on the palm side can both suffer damage
In these situations, vitamin B12 from food or oral supplements may not be absorbed properly
Because these injections are delivered into the muscle, they are absorbed more directly and predictably than oral supplements
No participants developed antibodies against the peptide, and no serious adverse events led to treatment withdrawal
B12 injections are most appropriate for people with confirmed or suspected B12 deficiency
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