[Effect of superlow doses (10(-18)-10-(-14) M) of biologically active substances: general rules, features, and

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Biological factors significantly impact drug metabolism, influencing drug clearance, efficacy, and potential toxicity.
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Bioavailability is a critical pharmacological concept that measures the extent and rate at which an active drug ingredient or therapeutic moiety enters the systemic circulation, remaining unchanged. It's a pivotal factor in determining a drug's efficacy and safety.The Biopharmaceutics Classification System (BCS) plays an essential role in drug development by categorizing drugs into four classes based on their solubility and permeability. This classification aids in understanding drug absorption...
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