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Ayurveda

Ayurveda and the gut

Ayurveda is India’s classical system of medicine. Digestion sits at its center: the texts describe a digestive fire, agni, and treat most illness as beginning when it falters. This section explains the system in plain words, says what the human trials of its herbs show, sets out the safety record, and lists the Ayurvedic products the catalog has researched.

On this page: guides, the system in brief, products, herbs, common questions.

Guides

Does triphala work? The three fruits, the trials and the doses Triphala is amla, haritaki and bibhitaki in equal parts. We found no placebo controlled constipation trial of it, and the classical dose is 3 to 6 g of powder. Doshas, agni and ama: the Ayurvedic ideas behind gut products, explained Nineteen Ayurvedic terms from agni to vikriti, each with its meaning in the tradition and the nearest modern idea, plus what a label that uses them lets a buyer check. What is Ayurveda, and what does it say about digestion? Ayurveda is the traditional medicine of India, set down in texts from the first centuries CE. It describes digestion as agni, a fire. About 240,000 US adults use it. Are Ayurvedic supplements safe? Heavy metals, bhasmas, interactions and what to check on a label Of 193 Ayurvedic products bought online, 20.7% held lead, mercury or arsenic, rising to 40.6% for rasa shastra. Herb only products have liver injury reports too. Ayurveda in the United States and Europe: practitioners, products, regulation and evidence No US state licenses Ayurvedic practitioners, and the products are dietary supplements. Two JAMA surveys found lead, mercury or arsenic in about one in five products. Ayurvedic herbs for digestion: what the human trials show, herb by herb Eleven Ayurvedic herbs, trial by trial: eight have a placebo controlled gut trial, cumin has only a case series of 57, and two have no gut trial at all. Does Banyan Botanicals Triphala work? A 1,000 mg fruit blend, one or two tablets, and what the trials used Banyan's tablet is a 1,000 mg organic fruit blend taken as one or two a day, below the 2,000 mg in a triphala pilot. Amazon shows 4.6 from 2,123 ratings. Does Himalaya Organic Triphala work? Leaf powder, a 50% tannin extract and one caplet a day Himalaya's caplet holds 438 mg of chebulic myrobalan leaf powder plus 250 mg of triphala extract, once a day. Amazon shows 4.4 from 2,434 ratings. Does Planetary Herbals Triphala work? A 2 g blend per serving, taken twice a day, and the largest tablets we read Planetary Herbals prints a 2 g triphala blend per two tablets, taken twice a day. No trial tested it, and Amazon shows 4.5 from 2,416 ratings. Does Banyan Easy Digest work? A 45 to 55 percent alcohol bitters extract, and what its herbs show Easy Digest is a 1:2 extract of nine herbs in 45 to 55 percent alcohol. No trial tested it, and its 4.94 from 34 reviews appears only on the Banyan page. Does Banyan Pitta Digest work? A cooling nine-herb blend, with guduchi and licorice in it Pitta Digest is nine herbs in one 1,000 mg blend. No trial tested it; amla has a 68 person reflux trial at 2 g a day. Guduchi and licorice amounts are not printed. Does Banyan Vata Digest work? Ten spices under one 1,000 mg weight, and what the trials of each show Vata Digest lists ten spices under one 1,000 mg blend weight. No trial tested the tablet; ginger, asafoetida and black cumin have small ones. Amazon: 4.6 from 125. Does Banyan Hingvastak work? Eight classical herbs, nine on the label, and the asafoetida trials Banyan's powder lists nine ingredients against the classical eight, and its asafoetida is a small, unprinted share. The asafoetida trials used 250 mg doses. Does Himalaya Organic Trikatu work? Ginger and two peppers, piperine and the trials Himalaya's caplet has ginger, black pepper and long pepper. Piperine raised drug levels at 20 mg in small trials; the label shows about 1 mg plus an unstated amount. Does NOW Triphala work? A 1,000 mg fruit extract with 200 mg of magnesium, and what the trials used NOW's tablet pairs 1,000 mg of triphala extract with 200 mg of magnesium oxide, so a bowel effect cannot be credited to the fruit alone. It costs about $0.20 a day. Does Banyan CCF tea work? Cumin, coriander and fennel in one 3,840 mg line, and what the seed trials used No trial tested this blend. One 3,840 mg line covers three seeds, and the seed trials used oils, extracts and capsules. Amazon shows 4.6 from 856 ratings. Does Pukka Three Ginger tea work? Ginger at about 0.9 g a bag, licorice in the blend, and no trial of the tea Ginger trials used capsules, and one Pukka bag holds roughly 0.9 g by UK percentages. Licorice is in the blend. $0.38 a cup at Vitacost, 4.6 from 712 on Amazon. Does Pure Indian Foods triphala powder work? Herbs listed by volume, about $0.09 a day, and a metal test with no lab named Each herb is listed as 1/6 teaspoon, not by weight. About $0.09 a day. The pouch says lab tested for heavy metals with no result. Vitacost shows 4.82 from 132.

The system in brief

Ayurveda (Sanskrit for “knowledge of life”) is a medical tradition of the Indian subcontinent whose foundational texts, the Charaka Samhita and the Sushruta Samhita, were compiled in the early centuries of the common era from older material. In India it is a state-recognized system: practitioners take a five-and-a-half-year degree (the BAMS), hospitals and colleges run under a dedicated ministry (AYUSH, formed in 2014), and the Ayurvedic Pharmacopoeia of India sets standards for its single herbs and compound formulas. In the United States the NCCIH’s survey data put adult use at about 240,000 people a year; no US state licenses Ayurvedic practitioners, and Ayurvedic products are sold as dietary supplements under the 1994 DSHEA law, which means no pre-market approval of safety or effect.

How it describes digestion

The tradition sorts bodies and conditions by three doshas, vata, pitta and kapha, which it uses as categories for temperament, symptom pattern and the properties of foods and herbs. Digestion is agni: when the texts say agni is strong, food is fully transformed; when it is weak or irregular, an undigested residue the texts call ama accumulates and is treated as the root of bloating, heaviness, coated tongue and sluggish bowels. Treatment starts with eating pattern and food choice (warm, cooked, regular meals; spices described as kindling agni such as ginger, cumin, black pepper and long pepper), then moves to herbs and classical formulas: triphala for the bowel, trikatu for a “slow” digestion, hingvastak churna for gas, avipattikar churna for acidity. None of this is physiology in the modern sense; it is the tradition’s own framework, and the guides in this section keep the two apart.

What the trials show

The human evidence is herb by herb and mostly small. Ginger has the largest body of trials, in nausea rather than the bowel. Turmeric (curcumin) has placebo-controlled trials in ulcerative colitis and a pilot in IBS. Psyllium, which Ayurveda uses as isabgol, has the strongest constipation and IBS data of anything on this page, though it is now studied as a fiber rather than as an Ayurvedic remedy. Cumin, asafoetida, fennel and amla each have one or two trials in IBS or dyspepsia. Triphala has a handful of small trials in constipation and oral health and a microbiome pilot. A 2017 review of triphala in a peer-reviewed journal lists this evidence and its limits. There is no trial of “Ayurveda” as a whole system for a gut condition that meets modern standards; the guides below go through the herbs one at a time with the numbers.

Safety: the heavy-metal record

Two surveys by the same Boston group define the issue. In 2004, 14 of 70 Ayurvedic products bought in Boston shops (20%) contained lead, mercury or arsenic above safety limits. In 2008, 193 products bought over the internet were tested and 20.7% contained detectable lead, mercury or arsenic, with no difference between products made in India and in the United States; products of the rasa shastra branch, which deliberately incorporates purified metals, were about twice as likely to be affected (40.6% against 17.1%). The CDC has published case reports of lead poisoning, including in pregnant women, traced to Ayurvedic products. The practical consequences for a buyer are to look for a third-party heavy-metal test on the label or the brand’s site, to avoid bhasma or rasa shastra ingredients unless a practitioner is supervising, and to read Latin binomials and amounts per serving rather than Sanskrit names alone. The guide on safety sets out interactions as well: licorice with blood-pressure medicines, turmeric with anticoagulants, ashwagandha with thyroid medicine, and the liver-injury case series reported for ashwagandha and guduchi.

How this site handles Ayurvedic products: the same three gates as every other entry (a real rating, a readable Supplement Facts panel, a brand-hosted photo), the same research page, and a tradition line in the facts box that links back here. The quiz treats them as what they are, herbal formulas, and nudges them up when someone names Ayurveda in the free-text box and the symptoms fit.

Ayurvedic products in the catalog

Each page gives the label as printed, the trials of the formula or its herbs, the review picture and the price per day. The products are listed by review count.

Organic India Triphala Capsules 4.4 out of 5 from 5,337 ratings from Amazon · $0.76 a day Himalaya Organic Triphala 4.4 out of 5 from 2,434 ratings from Amazon · $0.33 per day at one caplet ($19.99 for 60 at Vitacost and Amazon); $0.39 on the brand site Planetary Herbals Triphala 1,000 mg Tablets 4.5 out of 5 from 2,416 ratings from Amazon · $0.37 per day at two tablets twice a day ($16.45 for 180 at Vitacost and Amazon); $0.18 a serving Banyan Botanicals Triphala Tablets 4.6 out of 5 from 2,123 ratings from Amazon · $0.51 per day at two tablets ($22.99 for 90 on the brand site, $21.99 on Amazon); $0.26 at the one-tablet low end of the label range Banyan Botanicals CCF Tea 4.6 out of 5 from 856 ratings from Amazon · $0.37 per two-teaspoon serving ($21.99 for a half pound, 60 servings, at Banyan, Amazon and Vitacost); the 3.5 oz pouch is $0.60 a serving Pukka Herbs Three Ginger Organic Herbal Tea 4.6 out of 5 from 712 ratings from Amazon · $0.38 per cup for a single box ($7.54 for 20 at Vitacost); $0.29 a cup in the Amazon four-pack Himalaya Organic Trikatu 4.4 out of 5 from 381 ratings from Amazon · $0.30 per day at one caplet ($17.99 for 60 at Amazon and Vitacost); $0.35 on the brand site NOW Foods Triphala 500 mg Tablets 4.6 out of 5 from 302 ratings from Amazon · $0.20 per day at two tablets ($12.24 for 120 at Amazon and Vitacost); $0.18 on Amazon Subscribe & Save Banyan Botanicals Pitta Digest 4.5 out of 5 from 199 ratings from Amazon · $0.62 per day at two tablets ($27.99 for 90 on the brand site; $29.99 on Amazon); the label allows one to two tablets once or twice a day, $0.31 to $1.24 Banyan Botanicals Hingvastak Powder 4.7 out of 5 from 173 ratings from Amazon · $0.24 per half-teaspoon serving ($22.99 for 8 oz on the brand site and Amazon, about 96 servings); $0.12 to $0.48 a day across the label’s quarter to half teaspoon once or twice daily Pure Indian Foods Organic Triphala Powder 4.82 out of 5 from 132 ratings from Vitacost · $0.08 per day at one half-teaspoon serving of about 1,300 mg ($14.16 for 8 oz at iHerb, $14.99 on the brand site, about 175 servings) Banyan Botanicals Vata Digest 4.6 out of 5 from 125 ratings from Amazon · $0.64 per day at two tablets ($28.99 for 90); the label allows one to two tablets once or twice a day, $0.32 to $1.29 Banyan Botanicals Easy Digest Liquid Extract 4.94 out of 5 from 34 ratings from banyanbotanicals.com · $1.13 per day at the site’s two servings ($16.99 for 30 servings of 30 drops, $0.57 a serving); the bottle says one to three times daily, $0.57 to $1.70

Herbs Ayurveda uses for the gut

One page per herb, with its Sanskrit and Hindi names, the tradition’s classification in plain words, the human trials, doses and safety. The herb encyclopedia has the full list.

Ajwain Trachyspermum ammi (also written Carum copticum) · Yavani (Ajamoda is also used, see below) Thymol-rich carom seed, used in Ayurveda for colic and gas. No trial of ajwain alone; three Iranian formula trials include it, one in 106 people with bloating. Amla Emblica officinalis (Phyllanthus emblica) · Amalaki, Dhatri A sour Indian fruit used in Ayurveda for acidity; one placebo-controlled trial in 68 people with non-erosive reflux found less heartburn and regurgitation than placebo. Asafoetida Ferula assa-foetida (also written Ferula asafoetida) · Hingu Pungent Ferula root resin, an Ayurvedic remedy for gas. One 43-person dyspepsia trial: symptom score fell 54% on asafoetida versus 14% on placebo in 30 days. Ashwagandha Withania somnifera · Ashwagandha, Vajigandha A stress herb, not a classical gut herb: nine trials (558 people) lowered stress scores, and one okra-plus-ashwagandha blend cut constipation scores in 135 adults. Bael Aegle marmelos · Bilva, Shriphala Ayurveda uses unripe bael fruit for diarrhea. The one human trial combined it with brahmi: 169 IBS patients, 64.9% improved on the formula versus 32.7% on placebo. Bibhitaki Terminalia bellirica (also spelled bellerica) · Bibhitaki, Vibhitaka, Aksha The least-studied of triphala’s three fruits: we found no human gut trial of bibhitaki alone, only trials of triphala that include it. Black pepper Piper nigrum · Maricha A pungent spice whose alkaloid piperine raised curcumin absorption 2,000 percent in one human study; no trial has tested pepper for digestive symptoms. Brahmi Bacopa monnieri (also spelled monniera) · Brahmi, Sarasvati Mainly a memory herb; its gut record is one 1989 trial of a bael-plus-brahmi formula in 169 IBS patients, and stomach upset is its usual side effect. Caraway Carum carvi The oil, paired with peppermint oil in coated capsules, beat placebo for functional dyspepsia (5 trials, 578 people); caraway alone has little oral trial data. Cardamom Elettaria cardamomum (small or green cardamom); Amomum species in Chinese medicine · Ela (Sukshma ela) A fragrant spice pod. In two small postoperative trials, cardamom oil (inhaled or sublingual) lessened nausea; we found no trial of it for indigestion. Cinnamon Cinnamomum verum (Ceylon) and Cinnamomum cassia and related species (cassia) · Twak, Tvak Two barks sold as cinnamon: Ceylon (low coumarin) and cassia (about 3 g coumarin per kg on average). No trial has tested either for a gut symptom. Clove Syzygium aromaticum · Lavanga Warming spice used in Ayurveda and Chinese medicine for nausea and cold stomach pain. We found no human gut trial; 10 ml of the oil caused liver failure in a toddler. Coriander Coriandrum sativum · Dhanyaka (Dhanyakam) Coriander seed, a staple Ayurvedic digestive. Its IBS trial tested Carmint, a three-herb formula, in 32 people: less pain and bloating than placebo (p = 0.016 and 0.02). Cumin Cuminum cyminum · Jiraka (Jeeraka) Cumin seed, a classic Ayurvedic digestive. In a 50-person IBS case series with no placebo, severe bloating fell from 54% to 0% over 4 weeks. Fennel Foeniculum vulgare · Madhurika, Mishreya The seed chewed after meals; one infant colic trial (125 babies) found colic gone in 65% vs 23.7% on placebo, and adult gut trials are of mixtures. Garlic Allium sativum · Lasuna, Rasona Kitchen bulb sold as capsules and extract. For gut infections the human data are small pilots and an add-on meta-analysis of allicin (93% vs 84% H. pylori eradication). Ginger Zingiber officinale · Shunthi (dried), Ardraka (fresh) A kitchen rhizome with the best gut evidence of any herb for nausea: 12 pregnancy trials (1,278 women) found lower nausea scores than placebo. Guduchi Tinospora cordifolia · Guduchi, Amrita Ayurveda’s immunity vine (giloy): a 13-center Indian series of 43 patients linked it to liver injury, judged probable in 67.4%; gut trials are absent. Haritaki Terminalia chebula · Haritaki, Abhaya, Pathya An Ayurvedic bowel fruit and one of the three in triphala; its constipation trial is old and reported without figures, and a 2018 review found no clear gut evidence. Kutki Picrorhiza kurroa · Katuki, Katurohini A very bitter Himalayan root used in Ayurveda for the liver and as a purgative. One 33-person trial in viral hepatitis; reviews report loose stools at higher doses. Licorice Glycyrrhiza glabra · Yashtimadhu, Madhuyashti Whole root and DGL are different products: 18 studies show whole root raising systolic pressure 5.45 mmHg; a DGL ulcer trial found no healing effect. Long pepper Piper longum · Pippali, Magadhi A pungent Ayurvedic spice, documented mostly for its piperine: 20 mg raised curcumin absorption by 2000% in healthy volunteers. Musta Cyperus rotundus · Musta, Mustaka, Bhadramusta Nut grass tuber, used in Ayurveda for diarrhea and weak digestion. The antidiarrheal work is laboratory and mouse research (250 and 500 mg/kg); no human gut trial found. Neem Azadirachta indica · Nimba, Prabhadra, Arishta A bitter Ayurvedic tree used for worms and the liver; a bark-extract study cut gastric acid secretion by 77% in 10 days but describes no placebo group. Psyllium Plantago ovata Soluble, gel-forming husk fiber. About 10 g a day lowered LDL cholesterol 0.33 mmol/L in 28 trials, and 59% vs 41% had IBS relief at month 2 in a 275-person trial. Senna Senna alexandrina (Cassia senna, Cassia angustifolia) A stimulant laxative. In one 28-day trial, 1.0 g of senna gave a 69.2 percent response versus 11.7 percent on placebo; EMA limits use to 1 week. Shatavari Asparagus racemosus · Shatavari, Abhiru A cooling Ayurvedic root for acidity and dyspepsia: in 8 healthy men it sped gastric emptying about as much as metoclopramide (159.9 to 101 minutes). Trikatu Zingiber officinale + Piper nigrum + Piper longum · Trikatu (Trikatuka), Tryushana: the three pungents The Ayurvedic three-spice formula of ginger, black pepper and long pepper. Piperine raised curcumin absorption 2,000% in volunteers; gut trials of it are lacking. Triphala Emblica officinalis + Terminalia bellirica + Terminalia chebula · Triphala (“three fruits”) A three-fruit Ayurvedic powder used for bowel regularity; its one placebo-controlled gut study tracked stool bacteria in 31 adults, not bowel habits. Tulsi Ocimum tenuiflorum (also written Ocimum sanctum) · Tulasi, Surasa Holy basil leaf, used in Ayurveda for indigestion and diarrhea. A review of human trials found 24 studies in 1,111 people, none built around a gut outcome. Turmeric Curcuma longa · Haridra In 132 people with dyspepsia, turmeric lowered pain scores more than placebo and similarly to omeprazole; liver injury and lead adulteration are documented. Vidanga Embelia ribes · Vidanga Embelia berry, the classic Ayurvedic worm remedy. Human gut trials are lacking; a review cites one report of ova-free stools in 80% of children, with no design given.

Which product fits your symptoms?

The quiz asks about your symptoms, what you have tried and the medicines you take. Name Ayurveda in the free-text box and its formulas get a nudge in the ranking when they fit.

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Common questions

Is Ayurveda a form of medicine or a belief system?

Both descriptions are used. In India it is a licensed medical system with degrees, hospitals and a pharmacopoeia; its explanatory framework (doshas, agni, ama) predates modern physiology and does not map onto it. This site reports the framework as the tradition’s own and the trials as trials, and keeps the two apart.

Are Ayurvedic practitioners licensed in the United States?

No. The NCCIH states that there is no national standard for Ayurvedic training or certification in the US and no state licenses Ayurvedic practitioners. Professional bodies such as the National Ayurvedic Medical Association run voluntary certification. Some practitioners hold a separate license in another field (medicine, nursing, naturopathy in states that license it).

Do Ayurvedic supplements contain heavy metals?

Some do. In the largest published survey, 20.7% of 193 products bought online contained detectable lead, mercury or arsenic, and products of the rasa shastra branch were affected about twice as often. Many products test clean; the way to know is a third-party heavy-metal certificate from the brand, which a growing number publish.

Which Ayurvedic herbs have the best evidence for digestion?

Psyllium (isabgol) for constipation and IBS, ginger for nausea, and curcumin from turmeric in ulcerative colitis have placebo-controlled trials. Cumin, asafoetida, fennel, amla and triphala have one or a few small trials each. The herb pages and the trials guide give the numbers.

Is triphala a laxative?

The tradition classes it as a mild bowel regulator rather than a purgative, and its three fruits contain no senna-type stimulant compounds. Small trials report more frequent and softer stools at powder doses of a few grams. The triphala guide covers the doses and the trials.

How does the quiz treat Ayurvedic products?

As herbal formulas scored on the same symptoms, trials, label and review criteria as everything else. If you write Ayurveda, Ayurvedic or a formula name in the free-text box, products carrying the Ayurvedic tradition flag get a small boost when they fit your symptoms. Nothing is excluded because of its tradition.

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