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Intramuscular Whether given intramuscularly (IM) or subcutaneously (SQ), the goal of B12 injections is to bypass the digestive system when stomach absorption of B12 is impaired
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Works When Tablets Do Not For people who cannot absorb vitamin B12 through the gut, injections provide a direct and dependable solution
Drug Interactions: Persons taking most antibiotics, methotrexate and pyrimethamine invalidate folic acid and vitamin B12 diagnostic blood assays
Relative abundance of each phylum or genus was calculated in each sample by dividing the abundance of the respective phylum or genus by the sum of the abundances of all phyla or genera for that sample, then multiplying by 100 to generate a percentage
Taking vitamins orally or relying on your digestive system to absorb all of the vitamins is not as effective as injections because a certain percentage of the vitamins will be lost through the digestive process and expelled as waste
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