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They differ in dosage, how you take them, and how well your body absorbs them
Don't self-medicate
The UK Reference Nutrient Intake for adults is 1.5 micrograms daily, with increased requirements during breastfeeding (2.0 micrograms daily)
Does insurance cover the cost of Vitamin B12 injections
Med spas have capitalized on these functions by positioning B12 shots as a fast, accessible wellness upgrade often bundled with IV therapy, weight loss programs, or cosmetic treatment packages
A common dose for treating deficiency is 1,000 mcg
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