What term describes drugs created using artificial chemicals rather than natural ingredients?

The term that best describes drugs created using artificial chemicals rather than natural ingredients is "Synthetic Drug." Synthetic drugs are chemically manufactured substances that are designed to mimic the effects of natural substances. These drugs are often created to produce certain desired effects, and they can vary significantly in structure from their natural counterparts.

Synthetic drugs can include a wide range of substances, including those that are used for medicinal purposes as well as those that are created for recreational use. The creation of synthetic drugs often allows for greater control over potency and effects compared to natural substances. This term encapsulates the idea of substances that are not derived from plants or other natural sources, highlighting their chemically engineered nature.

Other options do not accurately convey the same meaning. For instance, "Simulated Drugs," while it suggests something artificial, is not a widely accepted term in pharmacology or drug classification. "Designer Substance" implies a more specific market of substances created to evade drug laws, often used interchangeably with synthetic drugs but usually reflecting specific legal contexts. "Man-made Chemicals" is a broader term that could apply to any chemicals produced through human processes, not specifically drugs, thus lacking precision when identifying substances in the context of pharmacology.