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Trikatu: Ginger, Black Pepper and Long Pepper Combination

Trikatu combines ginger, black pepper and long pepper; this guide covers traditional use, the piperine and drug-absorption question, and what trials have and have not shown.

Content last updated . This page has not been medically reviewed.

What trikatu is

Trikatu is a classical Ayurvedic formulation of dried black pepper fruits (Piper nigrum), long pepper fruits (Piper longum, called pippali) and dried ginger rhizome (Zingiber officinale) in a 1:1:1 ratio. [1] Long pepper is a key ingredient in more than 100 classical formulations, including trikatu and chyawanprash. [2] The name is commonly translated "three pungents." This page gives no doses or preparation instructions.

Traditional use

Ayurvedic writers describe trikatu as a digestive stimulant, using the terms dipana and pachana, and link it to supporting agni (digestive "fire") and reducing ama (undigested material). [3] Those are traditional frameworks, not biomedical findings. A second traditional idea is that trikatu is a "carrier" that helps other medicines work, and it is widely used to enhance the bioavailability of drugs. [1] Research has tested that idea in a way that matters for safety.

The piperine question

Black and long pepper contain piperine. Lab work shows what it can do to how drugs are absorbed and cleared:
  • In human cell and liver-tissue experiments, piperine inhibited P-glycoprotein (a drug transporter) and CYP3A4 (a major drug-metabolizing enzyme), and the authors said dietary piperine could alter blood levels of drugs that depend on them, especially oral drugs. [4]
  • A 2025 review describes this as a bioenhancer effect that is useful in drug development but carries dose-dependent toxicity, reproductive and liver concerns, and potential drug interactions. [5]
  • In rabbits and rats, trikatu lowered blood levels of the anti-inflammatory drug diclofenac and reduced its effect. The authors suggested a herb-drug interaction that could reduce the drug's benefit. [1]
  • A review of herb-drug interactions in neuropsychiatric medicines lists piperine and an Ayurvedic mixture of Terminalia and Commiphora among 13 herbal products with clinically relevant interactions. [6]

So the effect can go either way depending on the drug. These are mostly laboratory and animal findings, labeled preclinical, but they are a good reason to ask a pharmacist before combining trikatu, pepper extracts or piperine-containing supplements with prescribed medicines.

What trials in people have shown

QuestionWhat the source foundLabel
Cholesterol, added to statinsA randomized, placebo-controlled trial (170 participants) is described in a 2026 protocol at AIIMS Bhubaneswar. The paper I read describes the plan, not results. [7]insufficient evidence (results not found)
Mild cognitive impairmentAn exploratory single-arm, open-label study of 24 people gave trikatu then a medicated ghee (brahmi ghrita) and reported better scores. The authors say the design (no comparison group, other factors not controlled) strictly limits the findings. [3]insufficient evidence
Digestion, appetite, weightProper evidence not found. I searched PubMed for trikatu and found no completed placebo-controlled trial to read.insufficient evidence

Where to go next

See Ayurvedic herbs and prescription medicines for interaction principles, Ayurvedic spices and digestive teas for kitchen spices, and Ayurvedic herbal preparations for how formulations are made.

Frequently asked questions

What is in trikatu?

Black pepper, long pepper (pippali) and dried ginger in equal parts. [1]

Does trikatu help absorb medicines?

Piperine inhibits drug transporters and enzymes in lab studies, [4] but in an animal study trikatu lowered diclofenac levels instead. [1] The direction depends on the drug, so ask a pharmacist.

Is there proof trikatu helps digestion or weight loss?

I did not find a completed placebo-controlled trial to read. Traditional use describes it as a digestive stimulant, [3] which is not clinical proof.

Is piperine in black pepper dangerous?

Pepper as a food is not the concern; concentrated piperine and drug interactions are. A review notes dose-dependent toxicity and interaction potential. [5]

Can I take trikatu with prescription medicines?

Ask a clinician or pharmacist first. See medication interactions and never stop a prescribed medicine on your own.

More details: evidence, limits and cautions

The details behind this page: cautions, limits of the evidence and where sources disagree. Open any note to read it.

Safety
  • Piperine and drug interactions are described above. [4] [5]
  • Product quality: surveys of Ayurvedic products found lead, mercury or arsenic in about one in five. [8] These surveys were not specific to trikatu.
  • Pregnancy and children: I did not find trikatu-specific safety data. NCCIH advises pregnant or nursing people to consult their provider about Ayurvedic products. [9]
  • Ginger and black pepper as foods are different from concentrated products. For ginger on its own, see ginger.
References
  1. Lala LG, D'Mello PM, Naik SR. Pharmacokinetic and pharmacodynamic studies on interaction of 'Trikatu' with diclofenac sodium. J Ethnopharmacol 2004;91(2-3):277-280. Read 2026-10-22.
  2. From Ancient Spice to Advanced Science: Insights into the Fruits of Piper longum. Review, 2026 (PubMed Central PMC12912085). Read 2026-10-22.
  3. Sharma S, et al. Changes in MoCA scores with sequential administration of Trikatu Cūrṇa and Brahmi Ghṛta in mild cognitive impairment: an exploratory single-arm clinical study. Front Med 2026;13:1834211. Read 2026-10-22.
  4. Bhardwaj RK, et al. Piperine, a major constituent of black pepper, inhibits human P-glycoprotein and CYP3A4. J Pharmacol Exp Ther 2002;302(2):645-650. Read 2026-10-22.
  5. Tripathi D, Gupta VK, Pandey P, Rajinikanth PS. Metabolic Insights into Drug Absorption: Unveiling Piperine's Transformative Bioenhancing Potential. Pharm Res 2025;42(10):1857-1891. Read 2026-10-22.
  6. Le TT, McGrath SR, Fasinu PS. Herb-drug Interactions in Neuropsychiatric Pharmacotherapy - A Review of Clinically Relevant Findings. Curr Neuropharmacol 2022;20(9):1736-1751. Read 2026-10-22.
  7. Khanduri S, et al. Efficacy and safety of the ayurvedic formulation 'Trikatu' as an add-on to standard care in dyslipidemia: Study protocol. PLoS One 2026;21(5):e0348058. Read 2026-10-22.
  8. Saper RB, et al. Lead, mercury, and arsenic in US- and Indian-manufactured Ayurvedic medicines sold via the Internet. JAMA 2008;300(8):915-923. Read 2026-10-22.
  9. Ayurvedic Medicine: In Depth. National Center for Complementary and Integrative Health, NIH (United States). Last updated January 2019. Read 2026-10-22.
Education, not medical advice. This page is for general information. It does not diagnose or treat any condition and is not a substitute for care from a qualified health professional. Natural does not automatically mean safe. Ask a clinician or pharmacist before changing your care, especially if you take medication, are pregnant or breastfeeding, or have a health condition.