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Unlike oral supplements, which require daily use and may result in inconsistent absorption, injections deliver a high concentration of the vitamin directly into your bloodstream, allowing for longer-lasting benefits and fewer treatments
Structure-function relationships
Diagnosis documentation: The ICD-10-CM code on the claim must trace directly to a confirmed diagnosis in the progress note or problem list
That is why it can be swallowed at all, and why it behaves like a small-molecule drug: real oral absorption, first-pass liver metabolism, a huge volume of distribution (39 L/kg in mice), and off-target enzyme binding
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