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The response time to B12 injections can vary based on the individuals level of deficiency and overall health
Injections of B12 work rapidly and are the most effective way to treat a deficiency
The dose is usually between 1-5 mg
The Four Different Types Of Vitamin B12 Supplements: Cyanocobalamin: A supplement and injection of vitamin B12 are the most common forms
You wont have any preparation worries you might have with self injecting B12
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