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Your doctor will typically monitor your response through clinical improvement and blood tests such as full blood count, rather than rechecking B12 levels after starting injections

Cyanocobalamin is a synthetic form of B that contains a cyanide group, whereas hydroxocobalamin is a naturally occurring form produced by bacteria

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PubMed Wadden, T.A., Chao, A.M., Machineni, S., Kushner, R.F., Ard, J., Srivastava, G., et al

They're "leveraging a longevity wellness trend," he said

The right choice depends on whether the injury is discrete and localized or diffuse and multi-site