# Suvarchala (Tribulus terrestris)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/suvarchala
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-19
**Evidence Score:** 6 / 10
**Category:** Ayurveda
**Also Known As:** Tribulus terrestris, Puncture Vine, Goat's Head, Gokshura, Caltrop, Devil's Thorn, Bindii, Ji Li

## Overview

Tribulus terrestris (Suvarchala) contains steroidal saponins, primarily protodioscin, which may influence luteinizing hormone release and nitric oxide pathways. This Ayurvedic herb has been traditionally used for urinary and reproductive health support.

## Health Benefits

• May support urinary health based on traditional use in Ayurveda and TCM (evidence quality: traditional only)
• Potential role in sexual function support through possible [testosterone](/ingredients/condition/hormonal) [metabolism](/ingredients/condition/weight-management) effects (evidence quality: theoretical mechanism only)
• Traditional diuretic properties for fluid balance (evidence quality: historical use only)
• Used as a general tonic in multiple traditional medicine systems (evidence quality: traditional only)
• May influence hormone metabolism via potential 5α-reductase inhibition (evidence quality: preliminary mechanism proposed)

## Mechanism of Action

Tribulus terrestris contains steroidal saponins, particularly protodioscin, which may stimulate luteinizing hormone release from the pituitary gland. The herb's compounds may also enhance nitric oxide synthase activity, potentially affecting vascular function. Traditional diuretic effects may involve increased sodium excretion through kidney tubules.

## Clinical Summary

Most research on Tribulus terrestris consists of small-scale studies with mixed results. A few randomized controlled trials in men showed minimal effects on [testosterone levels](/ingredients/condition/hormonal), with studies typically involving 20-60 participants over 4-8 weeks. Some animal studies suggest potential benefits for sexual function, but human evidence remains limited. The majority of evidence supporting its traditional uses comes from observational studies and historical documentation rather than rigorous clinical trials.

## Nutritional Profile

Tribulus terrestris (Gokshura/Suvarchala) is not consumed as a food for macronutrient value but is valued for its bioactive phytochemical profile. Key compounds include: **Steroidal saponins (furostanol type):** primarily protodioscin (0.5–1.5% of dry weight in fruit/aerial parts, up to 45–55% of total saponin fraction in high-quality extracts), protogracillin, dioscin, diosgenin (aglycone), and terrestrosins A–E. Protodioscin is considered the principal active marker compound. **Flavonoids:** kaempferol, kaempferol-3-glucoside, kaempferol-3-rutinoside, quercetin, quercetin-3-rutinoside (rutin), and isorhamnetin glycosides (approximately 0.02–0.12% dry weight). **Alkaloids:** harmine and harman (beta-carboline alkaloids, trace amounts ~0.01–0.05%). **Lignanamides:** tribulusamides A and B (found in fruits). **Phytosterols:** beta-sitosterol, stigmasterol, campesterol (collectively ~0.1–0.3% dry weight). **Fatty acids (in seeds):** linoleic acid, oleic acid, palmitic acid, stearic acid. **Minerals (per 100g dry herb, approximate):** potassium (1.2–2.5%), calcium (0.8–1.5%), magnesium (0.3–0.6%), iron (15–40 mg), zinc (3–8 mg), phosphorus (0.2–0.5%). **Vitamins:** ascorbic acid (trace amounts in fresh aerial parts), small amounts of vitamin E (tocopherols in seed oil). **Other compounds:** citric acid, tannins (~2–4%), resin, essential oil (trace), and polysaccharides. **Bioavailability notes:** Protodioscin has moderate oral bioavailability; it is hydrolyzed by gut microflora to diosgenin (the aglycone), which is the absorbed active form. Saponin absorption is enhanced when taken with meals containing dietary fat. Standardized extracts typically guarantee 40–60% saponins (calculated as protodioscin). Phytosterol absorption is inherently low (~5–10%) and competes with cholesterol uptake. Flavonoid glycosides undergo deglycosylation in the gut prior to absorption. The composition varies significantly by plant part (fruit > leaf > root for saponin content) and geographic origin (Bulgarian and Indian chemotypes tend to have higher protodioscin concentrations than East Asian varieties).

## Dosage & Preparation

No clinically studied dosage ranges have been established for Tribulus terrestris extracts, powder, or standardized forms. The available research only provides compound concentrations in raw plant parts (e.g., tribestin 0.9–3.4 mg/100g in fruits) without therapeutic dose recommendations. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Tribulus terrestris is generally well-tolerated in healthy adults at typical doses of 250-1500mg daily. Potential side effects include stomach upset, sleep disturbances, and increased menstrual bleeding in women. It may interact with diabetes medications by affecting blood sugar levels and could enhance the effects of [blood pressure](/ingredients/condition/heart-health) medications. Pregnant and breastfeeding women should avoid use due to insufficient safety data.

## Scientific Research

The research dossier reveals no human clinical trials, RCTs, or meta-analyses for Tribulus terrestris were found in the available sources. Current literature focuses solely on phytochemical and pharmacological reviews without citing human trial designs, sample sizes, or clinical outcomes.

## Historical & Cultural Context

Tribulus terrestris has been used for centuries in global traditional systems including Ayurveda (as Gokshura or Suvarchala), Traditional Chinese Medicine, and Unani medicine. Historical applications span India, China, and the Middle East, primarily for urinary disorders, sexual dysfunction, and as a diuretic or tonic.

## Synergistic Combinations

Ashwagandha, Shilajit, Mucuna pruriens, Safed musli, Gokshura

## Frequently Asked Questions

### What is the active compound in Tribulus terrestris?

The primary active compound is protodioscin, a steroidal saponin that comprises 0.2-2% of the plant. Other important saponins include diosgenin and terrestrosin, which contribute to the herb's biological activity.

### How much Tribulus terrestris should I take daily?

Typical dosages range from 250-1500mg daily of standardized extract, usually divided into 2-3 doses with meals. Most studies used 750-1000mg daily, though optimal dosing hasn't been definitively established.

### Does Tribulus terrestris actually increase testosterone?

Human studies show minimal to no effect on testosterone levels in healthy men. While animal studies suggest potential hormonal effects, clinical trials in humans have not consistently demonstrated significant testosterone increases.

### Can women take Tribulus terrestris safely?

Women can use Tribulus terrestris, but should monitor for increased menstrual bleeding or cycle irregularities. Pregnant and breastfeeding women should avoid it due to insufficient safety data and potential hormonal effects.

### How long does Tribulus terrestris take to work?

Traditional effects may be noticed within 2-4 weeks of consistent use. Most clinical studies evaluated effects over 4-8 week periods, though individual responses vary significantly based on health status and dosage.

### Is Tribulus terrestris safe to take with blood pressure or diabetes medications?

Tribulus terrestris may have mild diuretic properties and could theoretically affect blood pressure or blood sugar levels, warranting caution if you take related medications. If you use antihypertensive drugs, diabetes medications, or diuretics, consult your healthcare provider before adding Tribulus to avoid potential interactions or additive effects. Limited clinical data exists on specific drug interactions, so medical supervision is recommended.

### What is the difference between Tribulus terrestris powder, extract, and standardized capsules?

Standardized extracts typically concentrate key compounds and offer more consistent dosing, while raw powder contains the whole herb with variable nutrient levels and lower bioavailability. Capsule forms are more convenient for dosing accuracy, whereas powders allow flexible serving sizes but may have a bitter taste. Extract forms are generally preferred for clinical research due to their reproducibility, though traditional use historically favored whole-plant preparations.

### Who should avoid taking Tribulus terrestris or use it with caution?

Pregnant and nursing women should avoid Tribulus due to insufficient safety data and its traditional use as a uterine tonic in some cultures. Individuals with hormone-sensitive conditions (such as certain cancers), those taking blood-thinning medications, or people with kidney disease should consult a healthcare provider before use. Those with a history of blood clots or cardiovascular conditions should also seek medical guidance given its potential diuretic and hemodynamic effects.

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