do b12 injections cause constipation Best Vitamin Injection Site: Administering B12 Shots Vitamin B12 Injection Dose: 7

However, the low serum B12 levels may not reflect true B12 deficiency in view of the finding in animal studies that metformin increases liver accumulation of vitamin B12 (Greibe et al., 2013

Generally, you will start to see improvements within two weeks, usually in terms of vomiting and/or diarrhea frequency

Common maintenance approaches include staying at the dose where you stabilized (often 1.0 to 1.7 mg), reducing by one dose level from your peak (e.g., from 2.4 mg to 1.7 mg), or finding the minimum dose that prevents weight regain while minimizing side effects

These methods allow the vitamin to be absorbed directly into the bloodstream

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