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can b12 injection be taken during periods injections affect your menstrual cycle A missed period is not the end of the B12 Injections | Vitamin B12
Description
May you live a long and healthy vegan lifebe well and B12

Since this study was conducted on inpatients managed at the Department of Diabetes and Metabolism in our hospital, the subjects included a high proportion (71.9%) of patients with diabetes

Shibata et al., 1988
PMC 2376267

Normally, Vitamin B12 absorption requires a protein called intrinsic factor, produced in the stomach