Last verified: April 2026

Trikatu

त्रिकटु — Trikatu — "three pungents — the three-pungent compound"

Trikatu is the most widely prescribed classical Ayurvedic compound — three herbs combined at equal parts: Shunthi (dry ginger), Maricha (black pepper), and Pippali (long pepper). Each herb individually is Deepaniya (Agni-kindling) and Kaphahara; combined, they produce a synergistic effect documented as greater than any individual component. Trikatu is the standard compound added to virtually every classical formulation intended for Kapha and metabolic conditions.

Important noticeThis page documents what classical texts record. Not medical advice. Consult a qualified practitioner. Full disclaimer

Charaka Samhita, Sutrasthana 4.18

Trikatu deepaniyam — Trikatu is the pre-eminent Deepaniya (Agni-kindling) compound. The three pungents together produce a kindling of digestive fire more comprehensive than any single pungent herb because each addresses a different aspect of Agni impairment: Shunthi for Sama Agni (Ama-burdened), Maricha for Vishama Agni (irregular), and Pippali for Manda Agni (chronically slow).

The three components and their individual classical roles

Shunthi (dry ginger): Primary Ama-digesting (Amapachana) component. The classical rule: fresh ginger (Adraka) is best for Kapha and Vata conditions; dry ginger (Shunthi) is specifically for Ama digestion. Shunthi's drying quality specifically addresses the wet, sticky quality of Ama.

Maricha (black pepper): Primary Deepana (fire-kindling) component. The hottest of the three — most potent for rapidly kindling low Agni. Contains piperine — the bioavailability-enhancing compound whose mechanism was documented in Planta Medica (Bano et al., 1991) as inhibiting CYP3A4 and P-glycoprotein drug transporters.

Pippali (long pepper): Rasayana component. The only pungent herb documented as a Rasayana — Pippali Rasayana is a classical course where gradually increasing doses build rather than deplete Agni over 30 days. Pippali specifically enhances respiratory Pranavaha Srotas and is documented for Kasa and Shwasa alongside its Deepaniya action.

Piperine — bioavailability enhancement

Piperine (from Maricha and Pippali) is the classical Yogavahi compound documented in modern pharmacology. Research published in Planta Medica (Bano et al., 1991) and Journal of Ethnopharmacology documents piperine increasing bioavailability of curcumin by 2000%, beta-carotene, and multiple pharmaceutical drugs by inhibiting intestinal CYP3A4 and P-glycoprotein. This is the modern mechanism behind the classical observation that 'a pinch of Maricha added to any preparation increases its effectiveness.'

Drug interaction note

The piperine-mediated bioavailability enhancement is bidirectional — it also increases absorption of pharmaceutical drugs. Patients on anticoagulants (warfarin), immunosuppressants (cyclosporine), anticonvulsants, or chemotherapy agents should use Trikatu preparations cautiously and with physician awareness, as piperine may increase drug blood levels significantly.