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So whats the bottom line?Vitamin Binjections are more of a want than a need. If you are immunocompromised or have a vitamin B12 deficiency (which requires a medical diagnosis), injections may beway to go.Vitamin B injections are more bioavailable than their oral supplement counterparts
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What high B12 means on a blood test Vitamin B12 (cobalamin) is measured through a serum vitamin B12 test
This is because injections bypass the entire digestive system
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