factually
Index/Topics/Psychotropics

Psychotropics

Interactions between green tea extract and psychotropics

Fact-Checks

2 results
Jan 16, 2026
Most Viewed

How does green tea extract (EGCG) affect the metabolism of prescription drugs and other supplements?

Green tea extract’s principal catechin, EGCG, can change how drugs and supplements are absorbed, metabolized and excreted by inhibiting intestinal transporters (OATPs), drug‑metabolizing enzymes (nota...

Jan 16, 2026

How should clinicians counsel patients on timing/dose of green tea or supplements when prescribing drugs with known transporter‑mediated disposition?

Clinicians should treat green tea and concentrated green‑tea extracts as potential modifiers of drug exposure—especially for drugs handled by intestinal transporters (OATP, P‑glycoprotein) and drugs w...