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EntityQ912807· pop 29· linked from 392 articles

active ingredient

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Also known as active pharmaceutical ingredient, bulk active, active substance, pharmacon, pharmakon, active constituent, API, medicinal substance

biologically active component of a product formulation

Research

56,956 papers

via PubMed

~4 min read

Encyclopedic overview

An active ingredient is any ingredient that provides biologically active or other direct effect in the diagnosis, cure, mitigation, treatment, or prevention of disease or to affect the structure or any function of the body of humans or animals.

The similar terms active pharmaceutical ingredient (abbreviated as API) and bulk active are also used in medicine. The term active substance may be used to describe the effective chemical used to control bacteria or pests.

Excerpted from Wikipedia’s “active ingredient” article, available under the CC BY-SA 4.0 licence.