b12 injection excess show up in stool Vitamin – Manufacturer Vitamin B12: Symptoms, Dosage &
Description
Vitamin B12 Status Upon Short-Term Intervention with a Vegan DietA Randomized Controlled Trial in Healthy Participants. Nutrients 11.11 (2019): 2815

Using the wrong format produces an automatic denial that requires resubmission, not an appeal

However, if you have a condition that puts you at risk for deficiency, supplementing with at least 2.5 micrograms daily is recommended

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