how long does b12 injection take to work It Vitamin Injections Work? Vitamin B12 Injection vs IV

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Because the needle stays in the fatty layer, there is less chance of catching a nerve or a blood vessel than with a deeper injection, which is one reason some clinicians prefer it for maintenance dosing

For the initial treatment of vitamin B12 deficiency, the usual dose is 100mcg SC/MC, given every day for 10-15 days, followed by maintenance treatment

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Capsules should be stored in a cool, dry place away from direct sunlight

What are the common side effects of these injections