While the reaction is normal, signifying an active immune system, the resultant arm pain can range from a mild, barely noticeable discomfort to a more pronounced and debilitating experience for some individuals
B12 is present in a variety of food sources (mainly animal-based products), where it is bound to protein molecules
Get the details about this, as well as risks from too much folic acid, in the Folic Acid section of our B Vitamin Supplements Review, which includes our Top Picks for folic acid and folate, and other B vitamins
The key variables that determine how quickly you respond include the quality of the product you are using, the accuracy of your dosing protocol, and whether your nutrition and lifestyle habits are working with your treatment rather than against it
She was getting plenty of the vitamin in her diet
Off-label use Vitamin C injections are sometimes used off-label for other conditions, including: cancer general health immune function weight loss Off-label drug use means that a drug thats been approved by the FDA for one purpose is used for a different purpose that has not been approved