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Detailed Cyanocobalamin dosage information for adults and children. Includes dosages for B12 Nutritional Deficiency, Pernicious Anemia and Schilling Test; plus renal, liver and dialysis adjustments.
Most people take between 500 mcg and 1,000 mcg of OTC vitamin B12 per day. If you’re unable to absorb vitamin B12 from oral supplements, you may need prescription vitamin B12. It comes as an injection or a nasal spray. In most cases, you’ll inject vitamin B12 daily for a week or so.
Some doctors recommend that anyone can use B12 injections, with a frequency of up to one shot weekly for 4 weeks. If you are using for non-medical reasons, you can make your own choices to determine how often to use B12 injections.
Approximately 10% of the standard injectable dose of 1 mg is absorbed, which allows for rapid replacement in patients with severe deficiency or severe neurologic sy mptoms. 2 Guidelines from the...
To sum up, our recommended vitamin B12 shot dosage and frequency is around 1 mg of B12 per shot, injected daily for at least 90 days. Once symptom improvement plateaus, you can try less frequent schedules and monitor your body’s response.
monthly intramuscular injections of vitamin B12. Patients who have undergone sleeve gastrectomy surgery or duodenal switch are usually recommended to have initial 3 monthly intramuscular injections of vitamin B12 but may need less frequent injections depending on blood results.
Vitamin B12 Deficiency Treatment Guideline. Adapted from Gloucestershire CCG treatment algorithm on G-Care Approved by: Drug & Therapeutics Committee July 2021 Review date: July 2024. Vitamin B12 preparations stocked at GHNHSFT: Oral: Cyanocobalamin 50mcg tablets Cyanocobalamin MR 1,000mcg tablets. IM: