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  2. Bioavailability - Wikipedia

    en.wikipedia.org/wiki/Bioavailability

    Therefore, bioavailability for dietary supplements can be defined as the proportion of the administered substance capable of being absorbed and available for use or storage. [11] In both pharmacology and nutrition sciences, bioavailability is measured by calculating the area under curve (AUC) of the drug concentration time profile.

  3. Area under the curve (pharmacokinetics) - Wikipedia

    en.wikipedia.org/wiki/Area_under_the_curve...

    Absolute bioavailability refers to the bioavailability of a drug when administered via an extravascular dosage form (i.e. oral tablet, suppository, subcutaneous, etc.) compared with the bioavailability of the same drug administered intravenously (IV). This is done by comparing the AUC of the non-intravenous dosage form with the AUC for the drug ...

  4. Bioavailability (soil) - Wikipedia

    en.wikipedia.org/wiki/Bioavailability_(soil)

    Estimates of bioavailability can also be obtained from chemical solid-phase soil extractions. [7] Fugacity modelling of bioavailability is based on the solubility and partitioning of compounds into aqueous and non-aqueous phases. [8] This model describes the tendency for contaminants to be dissolved in the soil solution.

  5. Biopharmaceutics Classification System - Wikipedia

    en.wikipedia.org/wiki/Biopharmaceutics...

    The bioavailability of those products is limited by their solvation rate. A correlation between the in vivo bioavailability and the in vitro solvation can be found. Class III – low permeability, high solubility . Example: cimetidine; The absorption is limited by the permeation rate but the drug is solvated very fast.

  6. Bioequivalence - Wikipedia

    en.wikipedia.org/wiki/Bioequivalence

    The FDA investigated these complaints and concluded that the generic version is equivalent to Wellbutrin XL in regard to bioavailability of bupropion and its main active metabolite hydroxybupropion. The FDA also said that coincidental natural mood variation is the most likely explanation for the apparent worsening of depression after the switch ...

  7. Comparing Oral vs. Injectable Semaglutide: Is One More ... - AOL

    www.aol.com/comparing-oral-vs-injectable...

    Comparing Oral vs. Injectable Semaglutide. It’s hard to watch the news or scroll through social media without encountering stories about weight loss drugs like semaglutide (the active ingredient ...

  8. Drug permeability - Wikipedia

    en.wikipedia.org/wiki/Drug_permeability

    Drug permeability, together with drug aqueous solubility are the two parameters that define the fate of the active ingredient after oral administration and ultimately define its bioavailability. [1] When drug permeability is empirically measured in vitro , it is generally called apparent permeability (P app ) as its absolute value varies ...

  9. Route of administration - Wikipedia

    en.wikipedia.org/wiki/Route_of_administration

    Routes of administration are usually classified by application location (or exposition). The route or course the active substance takes from application location to the location where it has its target effect is usually rather a matter of pharmacokinetics (concerning the processes of uptake, distribution, and elimination of drugs).