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Nutrient Deficiencies and Lab Results Low levels of B12, B6, or other B vitamins might warrant an initial round of weekly or biweekly injections until levels stabilize
Tell your healthcare provider if you have ever had a reaction after you received vitamin B12 by injection or IV infusion
Bodily introduction of any kind into humans and/or animals is strictly forbidden by law
B12 shots use intramuscular injection, depositing vitamin B12 directly into muscle tissue, typically in the upper arm or thigh
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