what is better vitamin b12 tablets or injections The Advantages of Versus Oral Supplements: Shawn Veiseh, M.D.: Family Medicine Vitamin B12 Injections vs. Supplements:
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Most people who have a vitamin B12 injection feel either nothing different or a gradual lift in energy over the following days

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People with diabetes

[7] (This interaction is not significant when levodopa is combined with carbidopa, as in standard carbidopa/levodopa therapy, because carbidopa prevents peripheral levodopa breakdown.) Another notable interaction involves the chemotherapeutic agent altretamine: coadministration of pyridoxine can decrease altretamines effectiveness and is generally advised against unless specifically directed
