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Tribulus 1000 mg

California Gold Nutrition SPORT
4.6
★ ★ ★ ★ ★
(2952 ratings)
Tribulus 1000 mg
Product Image
Score75
A high-dose, low-cost tribulus extract with clear fruit sourcing, though saponin strength and testosterone benefits remain uncertain.
How scoring works
Quantity:60 Tablet(s) • (60 servings)
Goals:
Testosterone Support

Score 75

A high-dose, low-cost tribulus extract with clear fruit sourcing, though saponin strength and testosterone benefits remain uncertain.
How scoring works
$7.18($0.11 per serving)
iHerb
$ 7.18
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Analysis

The tablet provides 1,000 mg of Tribulus terrestris fruit extract in a focused formula. Using the fruit and naming saponins adds useful quality context, while the high extract amount is a clear strength.

The label does not quantify the saponin percentage, so the active yield cannot be calculated. More importantly, a large tribulus dose does not guarantee a meaningful testosterone effect in healthy adults.

The low serving cost makes it an economical option for someone who specifically wants to try tribulus. Expectations should center on a simple botanical trial rather than a dependable hormone or performance result.

Who is it for
  • Adults specifically interested in trying tribulus
  • Value-focused users who understand the evidence limits
Best for
  • Simple single-ingredient routines
  • High extract quantity at low cost

Pros

  • Provides 1,000 mg of fruit extract
  • Names saponins as active compounds
  • Simple focused formula
  • Low serving cost

Cons

  • Saponin percentage is not disclosed
  • Active yield cannot be calculated
  • Limited support for increasing testosterone in healthy users

Warnings

  • Tribulus may cause stomach upset, cramping, or diarrhea in some users.
  • People using blood-pressure or blood-sugar medicines should seek medication-specific advice because tribulus may add to their effects.
  • Anyone with hormone-sensitive concerns should not rely on tribulus for self-directed hormone management.

Nutrient quality

76 High impact

A large Tribulus fruit-extract amount is inexpensive and focused, but missing saponin strength and weak goal evidence limit practical confidence. The main ingredient amount is meaningful, while active potency remains the central uncertainty.

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Ingredient transparency

77 High impact

Active ingredient weights are stated clearly without a hidden blend. Active-marker potency, complete directions, and non-active ingredients remain incomplete.

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Customer satisfaction

68 High impact

The aggregate rating is mixed and is supported by substantial review volume. No review comments are supplied, so tolerance, ease of use, and purpose alignment cannot be assessed directly.

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Value for money

78 High impact

The formula provides good value after considering dose, evidence, and potency disclosure. Missing potency detail limits the category position.

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Report analysis

Goals

Testosterone Support
Impact
Moderate effect
D Goal FitB- Strength of SupportF CoverageA+ Formula Quality

Tribulus is marketed for testosterone support, but human trials generally do not show a reliable increase in testosterone in healthy men. The large fruit-extract amount may support traditional vitality use without proving an endocrine effect.

The single ingredient provides no foundational zinc, vitamin D, magnesium, boron, or stress pathway. Missing saponin standardization also prevents confirmation of active potency.

Study evidence
Tribulus Disputed 13 studies

Ingredients

IngredientAmount per serving
Tribulus terrestris fruit extract (Saponins)
1000 mg
Gluten Free Adults 18–50 Dairy Free
Report overview
D+ Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyA- Value

A high amount of fruit extract provides strong tribulus dose potential at a very low serving cost. The fruit source is a meaningful quality detail, but the absent saponin percentage prevents verification of active strength. Excellent dose quantity and cost make it attractive, with standardization transparency as the main limitation.

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Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. The Effects of 6 Weeks of Tribulus terrestris L. Supplementation on Body Composition, Hormonal Response, Perceived Exertion, and CrossFit® Performance: A Randomized, Single-Blind, Placebo-Controlled Study.
    Fernández-Lázaro D; Mielgo-Ayuso J; Del Valle Soto M; Adams DP; González-Bernal JJ; Seco-Calvo J · Nutrients · 2021
    Randomized trial30 participantsTestosterone Support Fitness forTribulus
  2. The effect of five weeks of Tribulus terrestris supplementation on muscle strength and body composition during preseason training in elite rugby league players.
    Rogerson S; Riches CJ; Jennings C; Weatherby RP; Meir RA; Marshall-Gradisnik SM · Journal of strength and conditioning research · 2007
    Randomized trial22 participantsFitness forTribulus
  3. The effects of Tribulus terrestris on body composition and exercise performance in resistance-trained males.
    Antonio J; Uelmen J; Rodriguez R; Earnest C · International journal of sport nutrition and exercise metabolism · 2000
    Randomized trial15 participantsFitness forTribulus
  4. Insights into Supplements with Tribulus Terrestris used by Athletes.
    Pokrywka A; Obmiński Z; Malczewska-Lenczowska J; Fijałek Z; Turek-Lepa E; Grucza R · Journal of human kinetics · 2014
    Narrative reviewFitness forTribulus
  5. Effects of Tribulus (Tribulus terrestris L.) Supplementation on Erectile Dysfunction and Testosterone Levels in Men-A Systematic Review of Clinical Trials.
    Vilar Neto JO; de Moraes WMAM; Pinto DV; da Silva CA; Caminha JSR; Nunes Filho JCC; Reis CEG; Prestes J; Santos HO; De Francesco Daher E · Nutrients · 2025
    Systematic review483 participants10 studies pooledTestosterone Support forTribulus
  6. Do "testosterone boosters" really increase serum total testosterone? A systematic review.
    Morgado A; Tsampoukas G; Sokolakis I; Schoentgen N; Urkmez A; Sarikaya S · International journal of impotence research · 2024
    Systematic review3 studies pooledTestosterone Support forTribulus
  7. The aphrodisiac herb Tribulus terrestris does not influence the androgen production in young men.
    Neychev VK; Mitev VI · Journal of ethnopharmacology · 2005
    Randomized trial21 participantsTestosterone Support forTribulus
  8. Efficacy of Tribulus Terrestris for the treatment of premenopausal women with hypoactive sexual desire disorder: a randomized double-blinded, placebo-controlled trial.
    Vale FBC; Zanolla Dias de Souza K; Rezende CR; Geber S · Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology · 2018
    Randomized trial40 participantsTestosterone Support forTribulus
  9. Pilot Study on the Effect of Botanical Medicine (Tribulus terrestris) on Serum Testosterone Level and Erectile Function in Aging Males With Partial Androgen Deficiency (PADAM).
    Roaiah MF; El Khayat YI; GamalEl Din SF; Abd El Salam MA · Journal of sex & marital therapy · 2017
    Single-arm trial30 participantsTestosterone Support forTribulus
  10. Tribulus terrestris versus placebo in the treatment of erectile dysfunction and lower urinary tract symptoms in patients with late-onset hypogonadism: A placebo-controlled study.
    GamalEl Din SF; Abdel Salam MA; Mohamed MS; Ahmed AR; Motawaa AT; Saadeldin OA; Elnabarway RR · Urologia · 2019
    Randomized trial70 participantsTestosterone Support forTribulus
  11. Efficacy of Tribulus terrestris for the treatment of hypoactive sexual desire disorder in postmenopausal women: a randomized, double-blinded, placebo-controlled trial.
    de Souza KZ; Vale FB; Geber S · Menopause (New York, N.Y.) · 2018
    Randomized trial45 participantsTestosterone Support forTribulus
  12. Effect of oral administration of Tribulus terrestris extract on semen quality and body fat index of infertile men.
    Salgado RM; Marques-Silva MH; Gonçalves E; Mathias AC; Aguiar JG; Wolff P · Andrologia · 2018
    Single-arm trial65 participantsTestosterone Support forTribulus