This solution is a combination of five B vitamins and helps with metabolism of carbohydrate, fat and protein, fat and protein synthesis, amino acid and glucose metabolism, cellular energy production and red blood cell formation
Three specific gaps separate this preclinical evidence from a human recommendation, and it is worth naming each so the framing throughout this guide is not mistaken for false modesty
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A doctor will decide the right amount and how often it should be given
A B12 deficiency can also cause megaloblastic anemia, a condition where red blood cells are too large and do not function properly
Possible Side Effects Mild side effects of Vitamin B12 may include: ( 12 ) Mild pain, itching, or swelling at the injection site Temporary nausea or headache Mild diarrhea Hot flashes Vomiting These side effects do not affect all patients and are generally temporary and mild While rare, more serious side effects of Vitamin B12 injections can include ( 12 ): Irregular heartbeat Heart palpitations Hives or skin rash If you notice any severe reactions to a Vitamin B12 shot, contact a medical professional immediately