what l glutathione does Glutathione: Benefits and Supplements Frontiers | Glutathione: A Samsonian
Description
No, diarrhoea is an uncommon side effect of vitamin B12 supplementation

doi: 10.1080/07391102.2020.1796810 349 Musarra-PizzoMGinestraGSmeriglioAPennisiRSciortinoMTMandalariG
Typical 1000 mcg (1 mg) Dosing Protocol Adults usually get 1000 mcg (1 mg) of B12 through shots

Biochim Biophys Acta 1830:32173266
