Meaning & use
Bioavailability
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The proportion of a drug or nutrient that enters the bloodstream and becomes available to have an active effect in the body.
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The new formulation improved the drug's bioavailability significantly.
Vitamin C is thought to increase the bioavailability of iron from plant sources.
A note on using this word
A key concept in pharmacology and nutrition, often expressed as a percentage of the administered dose.
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