Do You Need a Prescription for B12 Injections
However, for those with mild dietary deficiencies and intact absorption mechanisms, high-dose oral tablets can often be sufficient, albeit with potentially slower results
Have certain medical conditions: Problems that can restrict vitamin B12 absorption include pernicious anemia (a rare autoimmune disease that keeps the body from making a protein necessary to absorb B12), digestive illnesses, such as celiac and Crohns diseases, and immune disorders such as lupus, among others
Though the link isnt well understood, scientists have linked the vitamin to serotonin and depression in people with a deficiency
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