Hormone Support
Tribulus Terrestris
Also known as: Puncture vine, Goat's head, Tribulus, Tribulus terrestris Extract (Fruit, 20% Protodioscin)
Tribulus terrestris is a traditional plant extract standardized to protodioscin, a steroidal saponin claimed to support sexual function and athletic performance. Evidence for these effects remains limited and inconsistent, with most studies showing modest benefits at best.
Last reviewed June 2026 · Evidence graded from peer-reviewed research, not editorial opinion. Educational only — not medical advice.
Every Tribulus Terrestris product we have scored
| # | Product | Score | Per serving |
|---|---|---|---|
| 1 | Nutricost Testosterone Complex Capsules | 84 A- | $0.57 |
| 2 | Pure Encapsulations Tribulus Formula | 84 A- | $1.47 |
| 3 | NOW Foods Testo Jack 200 | 83 A- | $0.57 |
| 4 | NOW Foods TestoJack 100 | 83 A- | $0.53 |
| 5 | Integrative Therapeutics Testosterone Formula | 78 B+ | $1.42 |
| 6 | NOW Foods Men's Active Sports Multi | 76 B+ | $0.66 |
| 7 | Country Life DHEA Complex For Men | 71 B | $0.46 |
| 8 | Bluebonnet Nutrition INTIMATE ESSENTIALS FOR HIM TESTOSTERONE & LIBIDO BOOST | 66 B- | $1.93 |
Scored on dose accuracy, form, label transparency and third-party testing. Per-serving cost is list price divided by servings per container. No brand pays to be listed or ranked.
Common questions
How much Tribulus Terrestris should I take?
The typical range is 250-750mg standardized extract daily. 8-12 weeks cycles
When should I take Tribulus Terrestris?
With meals. Yes.
Which form of Tribulus Terrestris is best?
Standardized extract — Saponin content. Other forms in the catalog: Powder, Capsule, Extract, Extract (standardized to 20% Protodioscin).
Is Tribulus Terrestris safe?
Commonly reported: GI upset, Sleep issues (some). Serious warnings: Does not significantly raise testosterone. Use caution
Which Tribulus Terrestris supplement scores highest?
Nutricost Testosterone Complex Capsules, at 84/100. Scored on dose accuracy, form, label transparency and third-party testing — no brand pays to be listed or ranked.
Primary uses
- Libido
- Sexual function
- Traditional vitality
- Athletic performance and muscle building
- Testosterone support
- Athletic performance
- Testosterone support (claimed)
How it works
- May enhance libido
- Traditional aphrodisiac
- Does NOT significantly raise testosterone despite marketing
- May support nitric oxide
Dosage
- Typical range
- 250-750mg standardized extract daily
- Timing
- With meals
- With food
- Yes
- Duration
- 8-12 weeks cycles
- Special populations
- Those seeking libido support
Forms
- Standardized extract
- Powder
- Capsule· 70/100
- Extract (standardized to 20% Protodioscin)· 70/100
Safety
Common side effects
- GI upset
- Sleep issues (some)
Contraindications
- Hormone-sensitive conditions (caution)
Products containing Tribulus Terrestris
Top-scoring supplements in our catalog that list Tribulus Terrestris on the label. Each product is graded on Formulate's ingredient-level rubric — dose accuracy, form, transparency, and third-party testing.
Evidence notes
Better evidence for libido than testosterone increase
Grade C: Mostly observational or small trials; mechanism is plausible but unproven at scale.
Related in Hormone Support
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Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider. Individual needs and risks vary — consult a professional before starting, stopping, or combining supplements, especially if you are pregnant or nursing, taking medication, or managing a health condition.