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Tribulus terrestris explained: what it is and side effects

The NIH describes it as a low-growing shrub and common weed found in dry habitats in many parts of the world. Herbal products can be prepared from its leaves, fruit and roots. One product we reviewed lists Tribulus terrestris, and none prints its individual amount.

By HowNook's Health desk · Updated

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Amounts the NIH names
The usual daily dose of tribulus is 250 to 750 mg.
In the products we reviewed
1, its label does not print the amount

What tribulus terrestris is

  • Tribulus herbal products can be prepared from the plant's leaves, fruit and roots.1
  • Other names for Tribulus terrestris include bindii, goat’s-head, bullhead and tackweed.2
  • Tribulus terrestris is a low-growing shrub and common weed found in dry habitats in many parts of the world.1
  • Tribulus terrestris extracts contain many compounds, including a group called steroidal saponins.2
  • Tribulus is available as tablets and capsules containing 250 or 500 mg.1

How much tribulus terrestris each product gives

Per serving, as each label prints it, against the amounts the NIH names

NIH: 250 mg to 750 mg per dose

Amount not printed: the dashed line shows the most it can be, the whole blend

Quietum PlusNot printed · at most 802 mg

Before you take it

Side effects

  • Tribulus may cause mild stomach discomfort, nausea or indigestion.1

Ask a doctor first

  • High doses may be harmful, especially for people with existing liver disease or cirrhosis.1

These statements have not been evaluated by the FDA. A supplement is not a medicine.

The product we reviewed that lists tribulus terrestris

ProductForm and servingTribulus terrestris per servingOur scorePrice a bottleBuy
Quietum Plus#4 in hearing supportCapsules2 capsulesNot printedIn a 802 mg proprietary blend9.4$49Check price
Prices checked Oct 9, 2026

Questions people ask

What is Tribulus terrestris?

Tribulus terrestris is a low-growing shrub and common weed found in dry habitats in many parts of the world, according to the NIH. The NIH says its extracts contain many compounds, including a group called steroidal saponins.

Is Tribulus terrestris extract made from the fruit?

Yes, Tribulus terrestris herbal products can be prepared from the plant's fruit. Its leaves and roots can also be used.

How much Tribulus terrestris should you take per day?

The NIH names 250 to 750 mg as the usual daily dose of tribulus. Ask a clinician before starting.

What are the side effects of Tribulus terrestris?

Tribulus terrestris may cause mild stomach discomfort, nausea or indigestion.

Is Tribulus terrestris safe?

High doses of Tribulus terrestris may be harmful. Ask a clinician before starting.

Which supplements we reviewed contain tribulus terrestris?

Quietum Plus is the only product we reviewed that lists Tribulus terrestris. It is inside an 802 mg proprietary blend, so its individual amount is not printed. The serving is 2 capsules.

Sources

The products, amounts and prices come from each product's label and checkout, as its review shows them. AI drafts our pages from listed sources, figures are checked against them, and we have not tried the products.

  1. 1NIH LiverTox, Tribulusncbi.nlm.nih.gov/bookschecked
  2. 2NIH Office of Dietary Supplements, ExerciseAndAthleticPerformance HealthProfessionalods.od.nih.gov/factsheetschecked