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how long it takes for b12 injections to work Vitamin Injections: What You Need Know How Quickly Does a B12
Description
The 2.4 mg dose represents the maintenance level used across the STEP obesity program, while doses of 0.5 to 2.0 mg are typically studied in glycemic research

doi: 10.1210/jcem.79.4.7962295 119 SigalosJTPastuszakAW

Yes, your symptoms could be due to a B12 overdose, especially since your B12 levels are significantly elevated

Estimation of intake and status of vitamin A, vitamin E and folate in older European adults: the ZENITH

BMC Microbiol
