Introduction
In the Indian healthcare context, traditional systems of medicine such as Ayurveda, Siddha, and Unani continue to play an important role in disease management and health promotion. Among Ayurvedic formulations, Triphala is one of the most widely used and well-documented herbal preparations. It consists of equal proportions of dried fruits of Terminalia chebula (Haritaki), Terminalia bellerica (Bibhitaki), and Phyllanthus emblica (Amalaki). Traditionally classified as Tridosha-shamaka and Rasayana, Triphala is considered a rejuvenating formulation that supports digestion, elimination, immunity, and overall longevity.
Composition and phytochemical profile
Triphala is composed of bioactive-rich plant materials containing tannins, flavonoids, polyphenols, and vitamins. Terminalia chebula provides high levels of hydrolysable tannins such as chebulic acid, chebulinic acid, gallic acid, ellagic acid, and flavonoids like quercetin and luteolin. Terminalia bellerica contributes proteins, fatty acids (including omega-3 and omega-6), and polyphenols, while Phyllanthus emblica is a rich source of vitamin C and ellagitannins. A key shared phytochemical across all three components is gallic acid, known for antioxidant, cardioprotective, hepatoprotective, and antimutagenic properties. These compounds collectively form the pharmacological basis of Triphala’s therapeutic effects.1
Ayurvedic pharmacology
According to Ayurvedic pharmacology, Triphala exhibits a complex sensory and energetic profile. It possesses all tastes except salty (lavana rasa) and is considered balancing for all doshas due to its prabhava (special action). Its post-digestive effect (vipaka) is sweet, while its potency (virya) is neutral. The formulation combines the heavy and dry qualities of Amalaki with the light and dry properties of Haritaki and Bibhitaki, contributing to its harmonizing effect on digestive physiology and metabolism.2
Mechanisms of Action: Multitarget pharmacological effects
- Antimicrobial activity: Triphala demonstrates broad-spectrum antimicrobial effects against both Gram-positive and Gram-negative organisms, including Helicobacter pylori and Streptococcus mutans. By reducing pathogenic bacterial load in the gastrointestinal tract, it helps improve gut function and reduce infection-associated symptoms such as dyspepsia and altered bowel motility.
- Antioxidant activity: Triphala exerts strong antioxidant effects by scavenging reactive oxygen species and enhancing endogenous antioxidant enzymes such as superoxide dismutase, catalase, and glutathione peroxidase. Phyllanthus emblica is particularly rich in vitamin C and flavonoids, contributing significantly to oxidative stress reduction and cellular protection.
- Anti-cancer and cytoprotective effects: Gallic acid is a major contributor to Triphala’s anticancer potential. It inhibits cancer cell proliferation, induces apoptosis, and suppresses oncogenic signaling pathways. Studies have demonstrated dose-dependent antiproliferative effects in colon cancer cell lines, along with modulation of apoptosis-related proteins such as Bax and Bcl-2.
- Antibacterial and immunomodulatory effects: Triphala exhibits antibacterial activity against pathogens such as Escherichia coli, Salmonella, and Staphylococcus aureus. It also enhances phagocytic activity, improves antioxidant defenses, and modulates immune responses by reducing stress-induced corticosterone levels and enhancing macrophage function.
- Anti-aging effects: Triphala promotes cellular regeneration by stimulating collagen and elastin synthesis, enhancing antioxidant gene expression, and reducing oxidative damage. It also shows protective effects against cellular senescence and hyperpigmentation.
Therapeutic role in digestive disorders
- Constipation: Triphala acts as a mild, non-habit-forming laxative by improving intestinal peristalsis, increasing stool bulk, and enhancing water content in the bowel.
- Irritable bowel syndrome (IBS): In IBS, Triphala helps regulate gut motility, reduce visceral hypersensitivity, and modulate gut microbiota. Its anti-inflammatory and antioxidant properties further support symptom relief in abdominal pain, bloating, and altered bowel habits.
- Gastric ulcers: Experimental evidence suggests gastroprotective effects of Triphala by reducing ulcer index, enhancing mucosal defense, and protecting against NSAID- and stress-induced gastric injury.
- Dyspepsia: Triphala improves gastric motility, stimulates digestive enzyme secretion, and enhances nutrient absorption, thereby relieving symptoms such as bloating, early satiety, and epigastric discomfort.
- Diarrhea: The astringent tannins, particularly from Terminalia bellerica, reduce intestinal secretions and help control stool frequency. Antimicrobial action further aids in managing infectious diarrhea.
- Hemorrhoids: Its mild laxative and anti-inflammatory properties reduce straining during defecation and relieve symptoms such as pain, swelling, and bleeding.
- Gut microbiota imbalance: Triphala modulates intestinal microbiota by promoting beneficial bacteria such as Bifidobacterium and Lactobacillus while inhibiting pathogenic organisms. Its polyphenols are metabolized into bioactive compounds that support microbial diversity and intestinal barrier integrity.
Conclusion
Triphala is a classical Ayurvedic polyherbal formulation with broad therapeutic relevance in gastrointestinal health. Its rich phytochemical composition confers antioxidant, antimicrobial, anti-inflammatory, and gut-regulatory properties that collectively support digestive function. It shows benefit across a range of disorders including constipation, IBS, dyspepsia, diarrhea, gastric ulcers, hemorrhoids, and dysbiosis. Despite strong traditional use and encouraging experimental evidence, further large-scale, well-controlled clinical studies are required to standardize dosing, confirm efficacy, and establish long-term safety. Overall, Triphala represents a safe, cost-effective, and integrative approach to digestive health that bridges traditional Ayurvedic wisdom with modern biomedical science.3
References:
- Peterson CT, Denniston K, Chopra D. Therapeutic Uses of Triphala in Ayurvedic Medicine. J Altern Complement Med. 2017;23(8):607-614. doi:10.1089/acm.2017.0083 https://pmc.ncbi.nlm.nih.gov/articles/PMC5567597/
- Tarasiuk A, Mosińska P, Fichna J. Triphala: current applications and new perspectives on the treatment of functional gastrointestinal disorders. Chin Med. 2018;13:39. Published 2018 Jul 18. doi:10.1186/s13020-018-0197-6 https://pmc.ncbi.nlm.nih.gov/articles/PMC6052535/
- Ghuge ND, Ingle SV, Kela HM. A comprehensive review on Triphala for digestive disorders. Int J All Subject Res. 2026;5(3):61-65. https://allarticlejournal.com/media/pdf/IJASR-5-3-22.1.pdf