what can i take instead of b12 injections How Vitamin Shots Help Me Feel Refreshed Oral vs. Intramuscular Vitamin B12

Animals should avoid taking certain medications or supplements, including antibiotics, anticonvulsants, and methotrexate, as they can interfere with the absorption or effectiveness of either the medication or the vitamins

Department of Health and Human Services, ods.od.nih.gov/factsheets/Carnitine-HealthProfessional/

Studies have shown that whole body retention of vitamin B12 at 14 days in elderly subjects is comparable to that in younger individuals, indicating that age does not significantly affect vitamin B12 absorption

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