b12 injections for fatigue in people without deficiency Vitamin A Vitamin B12 injection is a quick shot that gives your body vitamin B12 directly into the muscle. This helps your body absorb it faster than tablets. Vitamin B12 helps Vitamin B12 Injections: Benefits and

Diarrhoea (defined as three or more loose or watery stools per day) is an uncommon side effect of vitamin B12 supplementation , though it is listed as a rare or uncommon adverse reaction in the official product information for both oral cyanocobalamin and injectable hydroxocobalamin preparations

Alternately, you can speak to a pharmacist at your local pharmacy before ordering a B12 shot online

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Freeman GJ, Long AJ, Iwai Y, Bourque K, Chernova T, Nishimura H

Pernicious anemia is also treated with folic acid to help maintain red blood cells

A daily vitamin D supplement is recommended for those with active bowel symptoms