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It helps regulate glycogen, which impacts energy levels
Some contraindications (reasons not to take B12 shots) include: Allergies to cyanocobalamin or methylcobalamin Kidney or liver disease Eye issues, especially if you have Lebers disease A current infection If youre taking medication related to bone marrow You should talk to your doctor about the above conditions before getting B12 injections
In one large study, 5,200 women received 1,000 mcg of vitamin B12 daily and other B vitamins and folic acid seven years later
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