Supplements and injections are effective ways to treat vitamin B12 deficiencies. These are the benefits and potential risks ...

GI symptoms, including nausea and diarrhea. Having low levels of B12 can cause fewer red blood cells to reach your digestive ...

the patches were less effective in post-bariatric surgery patients compared to oral supplements, as users demonstrated more deficiencies in vitamins D, B1, and B12 after one year. The study in the ...