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Horny Goat Weed Complex

The Vitamin Shoppe
4.5
★ ★ ★ ★ ★
(46 ratings)
Tribulus 300 mg
Product Image
Score69
Horny goat weed and tribulus create a clear libido-oriented core. Incomplete marker standardization and weak direct testosterone evidence are the main limits.
How scoring works
Quantity:120 Capsule(s) • (60 servings)
Goals:
Testosterone Support

Score 69

Horny goat weed and tribulus create a clear libido-oriented core. Incomplete marker standardization and weak direct testosterone evidence are the main limits.
How scoring works
$32.99($0.54 per serving)
iHerb
$ 32.99
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Analysis

Horny goat weed leads the formula at a substantial extract weight, and tribulus provides another traditional male-vitality ingredient. Mucuna provides a dopaminergic component alongside the two libido-oriented extracts.

Icariin, tribulus saponin, and L-DOPA percentages are not fully quantified in the supplied facts. That makes active potency harder to judge even though the headline botanical weights are listed.

Moderate serving cost offers only fair value because marker detail is incomplete. It may suit adults seeking libido-oriented support, but it is not a well-rounded or evidence-strong testosterone formula.

Who is it for
  • Adults seeking libido-oriented botanical support
  • Users comfortable with mucuna and horny goat weed
  • People with realistic expectations about testosterone
Best for
  • Sexual-interest support
  • Broad male vitality
  • Users wanting horny goat weed with tribulus

Pros

  • Substantial horny goat weed extract weight
  • Tribulus amount is clearly listed
  • Concise three-botanical formula

Cons

  • Icariin and saponin percentages are incomplete
  • Mucuna is a small or incompletely standardized addition
  • Weak evidence for raising testosterone

Warnings

  • Mucuna can interact with dopaminergic medicines and may cause nausea or blood-pressure changes.
  • Horny goat weed may cause palpitations, insomnia, or blood-pressure changes in sensitive users.
  • Tribulus may affect blood pressure or glucose control, so relevant medicines require compatibility review.

Nutrient quality

66 High impact

The concise blend uses recognizable extract targets and reasonable lead amounts. Missing marker percentages and the limited testosterone rationale constrain quality.

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Ingredient transparency

83 Highest impact

All active amounts are visible without a hidden blend. Complete directions, inactive ingredients, and marker percentages remain missing.

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Customer satisfaction

58 Moderate impact

The supplied average is strong and supported by moderate volume. No review themes were provided, so consistency and purpose-specific experience cannot be assessed.

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Value for money

62 Moderate impact

Meaningful lead extracts provide fair libido-focused value. Incomplete standards and weak testosterone alignment reduce competitiveness for the stated goal.

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Report analysis

Goals

Testosterone Support
Testosterone Support
Impact
Moderate effect
D+ Goal FitC- Strength of SupportC- CoverageC+ Formula Quality

Horny goat weed, tribulus, and mucuna target libido and neuroendocrine pathways more than proven testosterone production. Evidence for raising testosterone is weak and the formulation may affect sexual interest without changing hormone levels.

Botanical amounts are disclosed, but icariin, saponin, and L-DOPA standardization is incomplete. Mucuna can interact with dopaminergic medicines and may cause nausea or changes in blood pressure.

Study evidence
Tribulus Disputed 13 studies

Ingredients

IngredientAmount per serving
Horny Goat Weed extract (Icariin)
 500 mg
Tribulus terrestris extract (Saponins)
 300 mg
Mucuna pruriens extract (L-Dopa)
 33 mg
Gluten Free Men 18–50 Dairy Free
Report overview
Tribulus (Saponins) · 300 mg OverallScore57
D- Active Ingredient Quality & BioavailabilityB- Dose, Safety & Label TransparencyC Value

The Tribulus amount is near the collection median, but the saponin percentage and plant part are missing. Its exact extract dose is clearly separated from the other botanicals. The moderate serving cost offers fair rather than notable value.

View ingredientView products
Loading alternative details
82 Performance

TRIBX90

ALLMAX
<p>Ingredient quality is better supported by 750 mg tribulus with a named saponin form, keeping the choice closely aligned with the tribulus collection. The larger listed tribulus amount may suit someone prioritizing a substantial serving, although the actual saponin concentration still matters.</p>
78 Performance

Tribulus Fruit Extract 450 mg

Solaray
<p>Ingredient quality is better supported by 450 mg tribulus with a named saponin form, keeping the choice closely aligned with the tribulus collection. The larger listed tribulus amount may suit someone prioritizing a substantial serving, although the actual saponin concentration still matters.</p>
75 Performance

Tribulus 1000 mg

California Gold Nutrition SPORT
<p>Ingredient quality is better supported by 1,000 mg tribulus with a named saponin form, keeping the choice closely aligned with the tribulus collection. The larger listed tribulus amount may suit someone prioritizing a substantial serving, although the actual saponin concentration still matters.</p>
81 Budget

Mega Tribulus Extract

Swanson Passion
<p>250 mg tribulus with a named saponin form preserves the main ingredient at a lower serving cost. The focused label keeps the comparison close to the original while making the tribulus form straightforward to assess.</p>
80 Budget

Full Spectrum Tribulus Fruit 500 mg

Swanson Premium Brand
<p>500 mg tribulus preserves the main ingredient at a lower serving cost. The label does not identify a saponin level, so the trade-off is less precise potency information than the original.</p>
81 Budget

Tribulus Extract 750 mg

Source Naturals
<p>750 mg tribulus fruit extract preserves the main ingredient at a lower serving cost. The label does not identify a saponin level, so the trade-off is less precise potency information than the original.</p>
78 Value

Tribulus Terrestris Extract 625 mg

The Vitamin Shoppe
<p>625 mg tribulus with a named saponin form combines a relevant tribulus serving with favorable value evidence. The larger listed tribulus amount may suit someone prioritizing a substantial serving, although the actual saponin concentration still matters.</p>
76 Value

Tribulus Terrestris

NutraKey
<p>1,000 mg tribulus with a named saponin form combines a relevant tribulus serving with favorable value evidence. The larger listed tribulus amount may suit someone prioritizing a substantial serving, although the actual saponin concentration still matters.</p>
80 Value

TestoJack 100

NOW
<p>250 mg tribulus with a named saponin form combines a relevant tribulus serving with favorable value evidence. Zinc or magnesium broadens the nutrient profile, although the extra ingredients make the formula less focused on tribulus alone.</p>
Report alternatives

Sources

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

  1. 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
  2. Tribulus terrestris versus placebo in the treatment of erectile dysfunction: A prospective, randomized, double blind study.
    Santos CA; Reis LO; Destro-Saade R; Luiza-Reis A; Fregonesi A · Actas urologicas espanolas · 2015
    Randomized trial30 participantsTestosterone Support forTribulus
  3. 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
  4. 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
  5. 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
  6. 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 forTribulus
  7. 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 participantsTestosterone Support forTribulus
  8. Beyond tribulus (Tribulus terrestris L.): The effects of phytotherapics on testosterone, sperm and prostate parameters.
    Santos HO; Howell S; Teixeira FJ · Journal of ethnopharmacology · 2019
    Narrative reviewTestosterone Support forTribulus
  9. Prospective Analysis on the Effect of Botanical Medicine (Tribulus terrestris) on Serum Testosterone Level and Semen Parameters in Males with Unexplained Infertility.
    Roaiah MF; Elkhayat YI; Abd El Salam MA; Din SFG · Journal of dietary supplements · 2019
    Single-arm trial30 participantsTestosterone Support forTribulus
  10. 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
  11. 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
  12. 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
  13. 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