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Horny Goat Weed

Prolab
4.1
★ ★ ★ ★ ★
(28 ratings)
Tribulus 250 mg
Ginkgo
Product Image
Score63
Potentially useful ginkgo is overshadowed by yohimbe risk, high niacin, and a formula aimed more at sexual performance than cognition or vision.
How scoring works
Quantity:60 Capsule(s) • (30 servings)
Goals:
Mental Focus
Brain Health
Cognitive Support

Score 63

Potentially useful ginkgo is overshadowed by yohimbe risk, high niacin, and a formula aimed more at sexual performance than cognition or vision.
How scoring works
$15.99($0.53 per serving)
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$ 15.99
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Analysis

Ginkgo, maca, tribulus, horny goat weed, and yohimbe create a strongly sexual-performance-oriented formula. Ginkgo also provides some circulation and focus relevance, but the label names marker classes without stating their percentages.

Tribulus and horny goat weed are more closely tied to libido than reliable testosterone increases. The rest of the blend adds little to vision or long-term brain support beyond ginkgo.

Yohimbe creates a much larger safety burden than most non-stimulant cognitive or vitality products. The large niacin amount can also make a routine serving uncomfortable.

Who is it for
  • Adults specifically seeking a stimulant-style sexual-performance blend
  • Users who already tolerate niacin and yohimbe
Best for
  • Short-term sexual-vitality use
  • A ginkgo-containing formula for users without cardiovascular risk factors

Pros

  • Ginkgo amount reaches a commonly used range
  • Lists individual ingredient weights
  • Includes named ginkgo and tribulus marker classes

Cons

  • Marker percentages are not disclosed
  • Yohimbe adds substantial safety trade-offs
  • High niacin can cause uncomfortable flushing
  • Lacks core eye-support nutrients

Warnings

  • Yohimbe may raise heart rate and blood pressure or worsen anxiety, especially with stimulants
  • Yohimbe can interact with antidepressants and is unsuitable for many people with cardiovascular conditions
  • Niacin may cause marked flushing, itching, or dizziness
  • Ginkgo may increase bleeding tendency with anticoagulant or antiplatelet medicines

Nutrient quality

61 Moderate impact

Several core botanicals have potentially meaningful amounts and partially described active forms. High niacin and the yohimbe extract are the dominant safety and balance weaknesses.

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Ingredient transparency

73 High impact

Active amounts are clearly listed and no proprietary blend hides the supplied doses. Missing daily directions, excipients, and some form or potency details keep disclosure incomplete.

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Customer satisfaction

52 Moderate impact

The supplied average is favorable, but the review base is small. Specific review comments were not provided, so repeated complaints and purpose-specific experiences cannot be assessed.

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Value for money

59 Moderate impact

Useful botanical amounts provide some justification for the serving cost. Incomplete standardization, low review confidence, and the yohimbe-related trade-off limit competitiveness.

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Report analysis

Goals

Impact
Moderate effect
C+ Goal FitB Strength of SupportD CoverageD- Formula Quality

Ginkgo extract may support attention and processing through cerebral blood flow, and the listed amount reaches a commonly used range. Marker classes are named but not quantified, so the extract cannot be matched confidently to standardized research material.

The broader sexual-vitality formula contributes little additional focus support. Ginkgo may increase bleeding risk when combined with anticoagulant or antiplatelet medicines.

Study evidence
Ginkgo Supportive 28 studies
Brain Health
Impact
Moderate effect
C+ Goal FitC- Strength of SupportC- CoverageD Formula Quality

Ginkgo provides a direct cognitive and circulation-related ingredient at a plausible extract amount. Its marker classes are named, while maca and niacin add secondary support.

Marker percentages are absent, and horny goat weed, Tribulus, and yohimbe focus the formula more on sexual function than brain health. Ginkgo may increase bleeding risk with anticoagulant or antiplatelet medicines, while yohimbe may raise heart rate, anxiety, or blood pressure.

Study evidence
Ginkgo Supportive 90 studies
Cognitive Support
Impact
Moderate effect
C- Goal FitC Strength of SupportD CoverageF Formula Quality

Ginkgo provides a direct circulation-related cognitive mechanism, while the remaining formula targets sexual performance. Ginkgo has mixed but relevant human evidence, and the other botanicals add little established cognitive support.

The ginkgo amount is within a commonly used range, while yohimbe creates a substantial stimulant-safety concern. Cerebral circulation and stimulation are represented without memory or stress-resilience depth.

Study evidence
Ginkgo Supportive 87 studies

Ingredients

IngredientAmount per serving
Niacin
80 mg
Horny Goat Weed (Icariin Flavones)
500 mg
Maca 4:1 extract
250 mg
Tribulus Terrestris extract (Furostanol Saponins)
250 mg
Ginkgo biloba extract (Flavone Glycosides, Terpene Lactones)
120 mg
Yohimbe extract (Yohimbine)
100 mg
Adults 18–50 Dairy Free
Report overview
D- Active Ingredient Quality & BioavailabilityB- Dose, Safety & Label TransparencyC Value

The Tribulus extract reaches the collection median, but its saponin percentage and plant part are not disclosed. The serving cost is moderate for the amount provided. Yohimbe extract may raise heart rate or blood pressure and is a concern for people with cardiovascular conditions or stimulant sensitivity.

F Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyF Value
Flavone glycoside and terpene lactone markers are named, but their percentages are not stated. 120 mg falls within the effective daily extract range. Missing marker percentages prevent a reliable standardized-dose cost comparison. Ginkgo may increase bleeding risk when combined with anticoagulant or antiplatelet medicines.
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Sources

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

  1. Ginkgo biloba for cognitive impairment and dementia.
    Wieland LS; Ludeman E; Chi Y; Feinberg TM; Chen IH; Chen KH; Zhu Y; Wolverson E; Amri H · The Cochrane database of systematic reviews · 2026
    Meta-analysis10,613 participants82 studies pooledBrain Health forGinkgo
  2. 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
  3. Comparative effects of Bacopa monnieri and Ginkgo biloba on cognitive functions: A systematic review and network meta-analysis.
    Tiemtad P; Ingkaninan K; Temkitthawon P; Thimkorn P; Rattanachaisit N; Teaktong T; Dhippayom T · Phytomedicine : international journal of phytotherapy and phytopharmacology · 2026
    Meta-analysis2,107 participants29 studies pooledMental Focus forGinkgo
  4. Electrophysiological analysis of the effects of ginkgo biloba on visual processing in older healthy adults.
    Page JW; Findley J; Crognale MA · The journals of gerontology. Series A, Biological sciences and medical sciences · 2006
    Clinical trialVision Support forGinkgo
  5. Ginkgo for elderly people with dementia and age-associated memory impairment: a randomized clinical trial.
    van Dongen M; van Rossum E; Kessels A; Sielhorst H; Knipschild P · Journal of clinical epidemiology · 2003
    Randomized trial214 participantsBrain Health forGinkgo
  6. Ginkgo biloba: no robust effect on cognitive abilities or mood in healthy young or older adults.
    Burns NR; Bryan J; Nettelbeck T · Human psychopharmacology · 2006
    Randomized trial197 participantsMental Focus forGinkgo
  7. Ginkgo biloba--an appraisal.
    Dubey AK; Shankar PR; Upadhyaya D; Deshpande VY · Kathmandu University medical journal (KUMJ) · 2007
    Narrative reviewVision Support forGinkgo
  8. 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
  9. Efficacy and adverse effects of ginkgo biloba for cognitive impairment and dementia: a systematic review and meta-analysis.
    Tan MS; Yu JT; Tan CC; Wang HF; Meng XF; Wang C; Jiang T; Zhu XC; Tan L · Journal of Alzheimer's disease : JAD · 2015
    Meta-analysis2,561 participants9 studies pooledBrain Health forGinkgo
  10. Ginkgo biloba Extract EGb 761 in the Treatment of Patients with Mild Neurocognitive Impairment: A Systematic Review.
    Hort J; Duning T; Hoerr R · Neuropsychiatric disease and treatment · 2023
    Systematic review946 participants9 studies pooledMental Focus forGinkgo
  11. 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
  12. Effect of Ginkgo biloba extracts in the prevention of posterior capsule opacification after cataract surgery: A randomized clinical trial.
    Amiri AA; Jafari R; Amiri AA; Rad HA; Daneshvar F; Charati JY; Amiri AA · Oman journal of ophthalmology · 2025
    Randomized trial144 participantsVision Support forGinkgo
  13. Efficacy of Ginkgo biloba extract EGb 761® in dementia with behavioural and psychological symptoms: A systematic review.
    von Gunten A; Schlaefke S; Überla K · The world journal of biological psychiatry : the official journal of the World Federation of Societies of Biological Psychiatry · 2017
    Meta-analysis1,628 participants4 studies pooledBrain Health Cognitive Support forGinkgo
  14. Proof of efficacy of the Ginkgo biloba special extract EGb 761 in outpatients suffering from mild to moderate primary degenerative dementia of the Alzheimer type or multi-infarct dementia.
    Kanowski S; Herrmann WM; Stephan K; Wierich W; Hörr R · Phytomedicine : international journal of phytotherapy and phytopharmacology · 2012
    Randomized trial216 participantsMental Focus forGinkgo
  15. 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
  16. [Ginkgo extract in impaired vision--treatment with special extract EGb 761 of impaired vision due to dry senile macular degeneration].
    Fies P; Dienel A · Wiener medizinische Wochenschrift (1946) · 2002
    Randomized trial99 participantsVision Support forGinkgo
  17. Ginkgo biloba extract EGb 761 is safe and effective in the treatment of mild dementia - a meta-analysis of patient subgroups in randomised controlled trials.
    Riepe M; Hoerr R; Schlaefke S · The world journal of biological psychiatry : the official journal of the World Federation of Societies of Biological Psychiatry · 2025
    Meta-analysis782 participants4 studies pooledBrain Health forGinkgo
  18. Proof of efficacy of the ginkgo biloba special extract EGb 761 in outpatients suffering from mild to moderate primary degenerative dementia of the Alzheimer type or multi-infarct dementia.
    Kanowski S; Herrmann WM; Stephan K; Wierich W; Hörr R · Pharmacopsychiatry · 1996
    Randomized trial216 participantsMental Focus forGinkgo
  19. 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
  20. Ginkgo biloba extract for age-related macular degeneration.
    Evans JR · The Cochrane database of systematic reviews · 2013
    Systematic review119 participants2 studies pooledVision Support forGinkgo
  21. Meta-analysis of the efficacy and safety of Ginkgo biloba extract for the treatment of dementia.
    Hashiguchi M; Ohta Y; Shimizu M; Maruyama J; Mochizuki M · Journal of pharmaceutical health care and sciences · 2016
    Meta-analysis2,381 participants13 studies pooledBrain Health forGinkgo
  22. Is Ginkgo biloba a cognitive enhancer in healthy individuals? A meta-analysis.
    Laws KR; Sweetnam H; Kondel TK · Human psychopharmacology · 2014
    Meta-analysis1,132 participants13 studies pooledMental Focus forGinkgo
  23. 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
  24. [The course of color vision in early diabetic retinopathy treated with Ginkgo biloba extract. A preliminary double-blind versus placebo study].
    Lanthony P; Cosson JP · Journal francais d'ophtalmologie · 1989
    Randomized trial29 participantsVision Support forGinkgo
  25. Ginkgo biloba extract EGb 761® improves cognition and overall condition after ischemic stroke: Results from a pilot randomized trial.
    Cui M; You T; Zhao Y; Liu R; Guan Y; Liu J; Liu X; Wang X; Dong Q · Frontiers in pharmacology · 2023
    Randomized trial201 participantsBrain Health forGinkgo
  26. Ginkgo biloba for cognitive impairment and dementia.
    Birks J; Grimley Evans J · The Cochrane database of systematic reviews · 2009
    Meta-analysis2,016 participants36 studies pooledMental Focus forGinkgo
  27. 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
  28. [Treatment of senile macular degeneration with Ginkgo biloba extract. A preliminary double-blind drug vs. placebo study].
    Lebuisson DA; Leroy L; Rigal G · Presse medicale (Paris, France : 1983) · 1987
    Randomized trial10 participantsVision Support forGinkgo
  29. EGb in the Treatment for Patients with VCI: A Systematic Review and Meta-Analysis.
    Zhan M; Sun L; Liu J; Zeng Z; Shen W; Li H; Wang Y; Han F; Shi J; Zeng X; Lu X; Zhang Y; Liao X · Oxidative medicine and cellular longevity · 2022
    Meta-analysis2,019 participants23 studies pooledBrain Health forGinkgo
  30. Modulation of cognitive performance following single doses of 120 mg Ginkgo biloba extract administered to healthy young volunteers.
    Kennedy DO; Jackson PA; Haskell CF; Scholey AB · Human psychopharmacology · 2008
    Randomized trial78 participantsMental Focus forGinkgo
  31. 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
  32. [Treatment of choroidal neovascularization with Chinese medicine huangban bianxing recipe].
    Jin M; Zhang YH; Qiu YN · Zhongguo Zhong xi yi jie he za zhi Zhongguo Zhongxiyi jiehe zazhi = Chinese journal of integrated traditional and Western medicine · 2010
    Non-randomized trial80 participantsVision Support forGinkgo
  33. Ginkgo biloba extract EGb 761® in dementia with neuropsychiatric features: a randomised, placebo-controlled trial to confirm the efficacy and safety of a daily dose of 240 mg.
    Herrschaft H; Nacu A; Likhachev S; Sholomov I; Hoerr R; Schlaefke S · Journal of psychiatric research · 2012
    Randomized trial410 participantsBrain Health forGinkgo
  34. Modulation of cognition and mood following administration of single doses of Ginkgo biloba, ginseng, and a ginkgo/ginseng combination to healthy young adults.
    Kennedy DO; Scholey AB; Wesnes KA · Physiology & behavior · 2002
    Randomized trial20 participantsMental Focus forGinkgo
  35. 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
  36. Phytochemicals and age-related eye diseases.
    Rhone M; Basu A · Nutrition reviews · 2009
    Narrative reviewVision Support forGinkgo
  37. Ginkgo biloba extract EGb 761 in patients with dementia and a history of cerebral infarction-meta-analysis of pooled data from randomised clinical trials.
    Feng JX; Zheng MQ; Tian X; Zimmermann A; Wang AX; Meng X · Frontiers in neurology · 2026
    Meta-analysis488 participants4 studies pooledBrain Health forGinkgo
  38. Complementary medicines (herbal and nutritional products) in the treatment of Attention Deficit Hyperactivity Disorder (ADHD): a systematic review of the evidence.
    Sarris J; Kean J; Schweitzer I; Lake J · Complementary therapies in medicine · 2012
    Systematic review16 studies pooledMental Focus forGinkgo
  39. 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
  40. Efficacy of ginkgo diterpene lactone meglumine on cognitive function in patients with acute ischemic stroke: a predefined exploratory analysis of a multicenter, double-blind, randomized controlled trial.
    Tian X; Xu Q; Xia X; Zhang Y; Meng X; Wang A · Journal of neurology · 2024
    Randomized trial3,163 participantsCognitive Support forGinkgo
  41. A placebo-controlled, double-blind, randomized trial of an extract of Ginkgo biloba for dementia. North American EGb Study Group.
    Le Bars PL; Katz MM; Berman N; Itil TM; Freedman AM; Schatzberg AF · JAMA · 1997
    Randomized trial309 participantsCognitive Support forGinkgo
  42. Alleviating neuropsychiatric symptoms in dementia: the effects of Ginkgo biloba extract EGb 761. Findings from a randomized controlled trial.
    Bachinskaya N; Hoerr R; Ihl R · Neuropsychiatric disease and treatment · 2011
    Randomized trial410 participantsCognitive Support forGinkgo
  43. Efficacy and safety of a once-daily formulation of Ginkgo biloba extract EGb 761 in dementia with neuropsychiatric features: a randomized controlled trial.
    Ihl R; Bachinskaya N; Korczyn AD; Vakhapova V; Tribanek M; Hoerr R; Napryeyenko O; GOTADAY Study Group · International journal of geriatric psychiatry · 2013
    Randomized trial410 participantsCognitive Support forGinkgo
  44. Ginkgo biloba extract improved cognitive and neurological functions of acute ischaemic stroke: a randomised controlled trial.
    Li S; Zhang X; Fang Q; Zhou J; Zhang M; Wang H; Chen Y; Xu B; Wu Y; Qian L; Xu Y · Stroke and vascular neurology · 2021
    Randomized trial348 participantsMental Focus forGinkgo
  45. Ginkgo biloba in the Aging Process: A Narrative Review.
    Barbalho SM; Direito R; Laurindo LF; Marton LT; Guiguer EL; Goulart RA; Tofano RJ; Carvalho ACA; Flato UAP; Capelluppi Tofano VA; Detregiachi CRP; Bueno PCS; Girio RSJ; Araújo AC · Antioxidants (Basel, Switzerland) · 2024
    Narrative review14 studies pooledMental Focus forGinkgo