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how much do b12 injections hurt Benefits of Vitamin Shots Are Vitamin B12 Shots Right
Description
Because it didn't clearly work, it was not approved as a weight-loss drug, and development stalled

Small errors can lead to denials or reduced reimbursement
However, vitamin B12 can be stored in the liver for a long time, so it does not easily become deficient
doi: 10.1159/000488913

Avoid carbohydrates within 2 hours of dosing

FDA.gov
