buy methyl b12 injections Vitamin Injection (Methylcobalamin) metabolism of fat and carbohydrates Nervup® Vitamin B12 Injection -
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Use for any other purpose is off-label
The answer depends on why you are deficient
B12 supports normal energy metabolism and red blood cell production, so correcting a genuine deficiency can help you feel and perform like yourself again, but shots are not a proven performance enhancer for people who are not deficient
