Vitamin B12 is an essential nutrient that helps your body produce energy, maintain brain health, and form red blood cells
B12 shots deliver a concentrated intramuscular dose of vitamin B12 quickly, while IV therapy provides fluids and multiple nutrients directly into the bloodstream
What Are Vitamin B12 Shots
More serious vitamin B12 side effects may include the following: Allergic reactions, such as hives, trouble breathing, or swelling of the face, lips, tongue or throat
According to the available scientific data, research experiments in rodents have lasted up to 45 days, with most studies ranging between 11-45 days or four weeks on average [3, 4, 7]
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