bioavailability
noun
bio·avail·abil·i·ty
ˌbī-(ˌ)ō-ə-ˌvā-lə-ˈbi-lə-tē 
: the degree and rate at which a substance (such as a drug) is absorbed into a living system or is made available at the site of physiological activity
Examples of bioavailability in a Sentence
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Not all commercial green tea products meet the same quality standards that were used in the laboratory-grade extract, and dosage, bioavailability and polyphenol content can vary widely between preparations.
—
New Atlas, 8 Oct. 2025
Better Magnesium Absorption Vitamin B6 increases the bioavailability and absorption of magnesium by helping transport it into your cells.
—Lindsay Curtis, Verywell Health, 6 Oct. 2025
Pills can pack polyphenols, too, but shelf-life and bioavailability depend on the type of polyphenol and what else is mixed in.
—Matt Fuchs, Time, 24 Sep. 2025
The two methods studied by the university researchers include a faster method measuring calcium digestibility in the small intestine, and the older and more time-consuming method of measuring bioavailability using ash or mineral content of a chicken's leg bone.
—Arkansas Online, 28 Aug. 2025
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New Atlas, 8 Oct. 2025
Better Magnesium Absorption Vitamin B6 increases the bioavailability and absorption of magnesium by helping transport it into your cells.
—Lindsay Curtis, Verywell Health, 6 Oct. 2025
Pills can pack polyphenols, too, but shelf-life and bioavailability depend on the type of polyphenol and what else is mixed in.
—Matt Fuchs, Time, 24 Sep. 2025
The two methods studied by the university researchers include a faster method measuring calcium digestibility in the small intestine, and the older and more time-consuming method of measuring bioavailability using ash or mineral content of a chicken's leg bone.
—Arkansas Online, 28 Aug. 2025
See All Example Sentences for bioavailability
Cite this Entry
“Bioavailability.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bioavailability. Accessed 31 Oct. 2025.
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bioavailability
noun
bio·avail·abil·i·ty
-ə-ˌvā-lə-ˈbil-ət-ē
plural bioavailabilities
: the degree and rate at which a substance (as a drug) is absorbed into a living system or is made available at the site of physiological activity
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