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TESTROL Original

GAT Sport
4.5
★ ★ ★ ★ ★
(1854 ratings)
Tribulus 500 mg
Zinc 30 mg
Arginine 150 mg
Magnesium 450 mg
Fenugreek 100 mg
Ginkgo
Saw Palmetto 100 mg
Product Image
Score64
A sprawling testosterone blend with tribulus and many lightly characterized herbs. Poor mineral forms, limited standardization, underdosed arginine, and major interaction potential make it a weak choice.
How scoring works
Quantity:60 Tablet(s) • (30 servings)
Goals:

Score 64

A sprawling testosterone blend with tribulus and many lightly characterized herbs. Poor mineral forms, limited standardization, underdosed arginine, and major interaction potential make it a weak choice.
How scoring works
$16.32($0.54 per serving)
Amazon
$ 16.32
iHerb
$ 19.99
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Analysis

Tribulus and avena are the largest botanical ingredients, with smaller amounts of fenugreek, longjack, epimedium, saw palmetto, mucuna, ginkgo, and others. The formula is broad, but most extracts lack useful marker standardization and several amounts are below focused stand-alone servings.

Magnesium oxide supplies a large labeled amount in a poorly absorbed form, while zinc sulfate is less appealing for tolerance than chelated zinc. Arginine is far below typical performance-oriented amounts, so cardiovascular and fitness support are weak.

Two tablets are convenient, but the combination touches dopamine, blood glucose, blood pressure, bleeding, and hormone-related pathways. It is not a sensible general wellness or cognitive product and needs careful screening even for its testosterone goal.

Who is it for
  • Experienced users specifically evaluating multi-herb testosterone blends
  • Adults who have reviewed medicine interactions
  • People comfortable with a complex formula
Best for
  • Trying a broad botanical testosterone formula
  • Users specifically seeking tribulus and avena
  • Short-term use after professional review

Pros

  • Provides standardized tribulus saponins
  • Includes selenium and zinc
  • Two-tablet serving
  • Broad botanical ingredient range

Cons

  • Uses magnesium oxide and zinc sulfate
  • Most herbs lack strong standardization detail
  • Arginine amount is too low for performance use
  • Weak alignment with most listed goals
  • High interaction burden

Warnings

  • Mucuna supplies L-DOPA and can interact with levodopa, antipsychotic medicines, monoamine oxidase inhibitors, and other dopamine-active drugs.
  • Ginkgo, fenugreek, and several herbs may add to bleeding risk with anticoagulant or antiplatelet medicines.
  • Fenugreek can lower blood glucose and may interact with diabetes treatment.
  • Long-term use of 30 mg zinc can contribute to copper deficiency.
  • Magnesium oxide may cause diarrhea or abdominal discomfort.

Nutrient quality

55 Moderate impact

Magnesium oxide and zinc sulfate are weaker forms, while most botanical extracts lack standardization detail. Tribulus is substantial, but arginine, fenugreek, saw palmetto, and several botanicals are modest or unclear.

.

Ingredient transparency

79 High impact

Every listed active has a specific amount. Serving count is available, but complete daily use directions are not supplied.

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Customer satisfaction

67 High impact

The aggregate rating is strong and supported by useful rating volume. No specific feedback was supplied to judge repeated complaints or fit with the intended use.

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Value for money

52 Moderate impact

The asking price is moderate, but weak forms and uncertain botanical potency limit quality. Each serving offers broad coverage but weak dose efficiency for several core actives.

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Goals

Testosterone Support
Testosterone Support
Impact
Moderate effect
C+ Goal FitD+ Strength of SupportC+ CoverageD Formula Quality
Magnesium · 450 mgZinc · 30 mg

Zinc and magnesium provide a direct mineral foundation, while tribulus, fenugreek, longjack, mucuna, and other botanicals broaden the hormonal strategy. Several actives are individually disclosed rather than hidden in one blend.

Weak mineral forms and low or poorly standardized botanical amounts limit expected effectiveness. The robust zinc amount lacks copper, which can impair mineral balance with ongoing use.

Study evidence
Fenugreek Supportive 12 studies
Magnesium Disputed 5 studies
Tribulus Disputed 13 studies
Zinc Disputed 7 studies
Energy
Energy
Impact
Moderate effect
C- Goal FitC- Strength of SupportD+ CoverageD- Formula Quality
Magnesium · 450 mg

Substantial magnesium and Mucuna provide some metabolic and focus relevance, but the botanical stack is aimed more at hormone-oriented positioning than energy. Evidence and dose clarity are inconsistent across the many herbs.

Magnesium oxide limits absorption, and most botanical extracts lack enough standardization to judge active exposure. Mucuna-derived L-DOPA may interact with Parkinson's medicines or monoamine oxidase inhibitors and can cause nausea or blood pressure changes.

Study evidence
Magnesium Supportive 4 studies
Heart Health
Heart Health
Impact
Moderate effect
D Goal FitC Strength of SupportD+ CoverageD+ Formula Quality
Magnesium · 450 mg

Magnesium and zinc provide basic mineral support, but the botanical formula is mainly aimed at hormone goals. Ginkgo and arginine have some vascular relevance in principle.

Arginine is far below a typical blood-flow amount, and the many hormone botanicals lack a clear heart-health purpose. The formula is not well matched to comprehensive cardiovascular support.

Study evidence
Magnesium Supportive 158 studies
Vision Support
Vision Support
Impact
Moderate effect
C- Goal FitD+ Strength of SupportD+ CoverageD- Formula Quality
Zinc · 30 mg

Zinc, selenium, and ginkgo provide partial mineral and circulation support within a testosterone formula. Zinc reaches 30 mg and ginkgo reaches 100 mg, with a modest selenium amount.

The formula touches retinal mineral needs, antioxidant support, and circulation. Relevant amounts are present, but no vitamins C or E, copper, macular carotenoids, or omega-3s complete the coverage.

Study evidence
Ginkgo Supportive 11 studies
Selenium Supportive 15 studies
Zinc Supportive 39 studies
Hair Health
Hair Health
Impact
Moderate effect
C- Goal FitD- Strength of SupportD+ CoverageD+ Formula Quality
Zinc · 30 mg

Saw palmetto provides a plausible androgen-related hair pathway, while zinc and selenium add nutritional support. The saw palmetto amount is low and poorly characterized, and the zinc uses a less preferred sulfate form.

The formula is built for testosterone support rather than scalp or follicle health, so its hair rationale is incomplete. The robust zinc amount lacks copper and may create mineral imbalance with prolonged daily use.

Study evidence
Saw Palmetto Supportive 5 studies
Selenium Disputed 7 studies
Zinc Supportive 22 studies

Ingredients

IngredientAmount per serving
Calcium
165 mg
Magnesium (Magnesium Oxide)
 450 mg
Zinc (Zinc Sulfate)
 30 mg
Selenium (Selenomethionine)
 50 mcg
Tribulus terrestris extract (Saponins)
 500 mg
Avena sativa
500 mg
L-Arginine (L-Arginine Hydrochloride)
 150 mg
Mucuna pruriens seed extract (L-dihydroxyphenylalanine)
 100 mg
Fenugreek
100 mg
Ginkgo biloba
100 mg
Longjack
100 mg
Epimedium extract (Flavonoids)
 100 mg
Saw Palmetto
100 mg
Damiana
50 mg
Cnidium monnieri
30 mg
Men 18–50
Report overview
Tribulus (Saponins) · 500 mg OverallScore61
D- Active Ingredient Quality & BioavailabilityB Dose, Safety & Label TransparencyC Value

The Tribulus extract is supplied at a useful mid-range dose, but its saponin percentage and plant part are not disclosed. Clear milligram disclosure makes the amount easy to judge, though the extract’s active strength remains uncertain. The serving cost is above the collection midpoint without premium standardization to justify it.

View ingredientView products
Zinc (Zinc Sulfate) · 30 mg OverallScore51
F Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyF Value

Zinc sulfate is a lower-quality form and may be harder on the stomach. The robust amount lacks copper, which raises a long-term balance concern. A tablet format and high serving cost further limit its appeal.

View ingredientView products
Arginine (L-Arginine Hydrochloride) · 150 mg OverallScore48
C- Active Ingredient Quality & BioavailabilityD+ Dose, Safety & Label TransparencyF Value

The 150 mg L-arginine hydrochloride serving is clearly disclosed but far below a targeted circulation or fitness amount. Two ordinary tablets are easy to take, although they provide no sustained-release advantage and poor arginine value. Mucuna supplies an L-DOPA source that may interact with levodopa, dopamine-active medicines, or monoamine oxidase inhibitors.

View ingredientView products
Loading alternative details
67 Performance

For Him Testosterone & Libido Boost

Bluebonnet Intimate Essentials
Zinc citrate, a three-form boron complex, branded tongkat ali, and supporting botanicals create strong alignment with testosterone and libido support. Its more coherent testosterone or libido support improves ingredient focus compared with the original’s weak mineral forms and lightly dosed arginine.
54 Performance

Ultra GHT Male Maximum Strength

NaturesPlus
Fenugreek, boron, tongkat ali, velvet bean, tribulus, polyphenols, and micronutrients create a broad testosterone and performance formula. Its more coherent testosterone or libido support improves ingredient focus compared with the original’s weak mineral forms and lightly dosed arginine.
71 Performance

SexEssentials

Natural Factors WS WomenSense
A moderate arginine serving and several supportive actives create a plausible sexual-health formula, but tribulus, ginkgo, tongkat ali, and choline lack stronger dose or standardization support. Its more coherent testosterone or libido support improves ingredient focus compared with the original’s weak mineral forms and lightly dosed arginine.
71 Budget

SexEssentials

Natural Factors WS WomenSense
A moderate arginine serving and several supportive actives create a plausible sexual-health formula, but tribulus, ginkgo, tongkat ali, and choline lack stronger dose or standardization support. It offers a simpler male-performance or mineral approach near or below the original’s recurring cost, with fewer weakly characterized additions.
59 Budget

TESTOFX Sport

ALLMAX
Zinc and magnesium form a recognizable mineral base, with tribulus and fenugreek aimed at fitness and testosterone support. It offers a simpler male-performance or mineral approach near or below the original’s recurring cost, with fewer weakly characterized additions.
67 Budget

For Him Testosterone & Libido Boost

Bluebonnet Intimate Essentials
Zinc citrate, a three-form boron complex, branded tongkat ali, and supporting botanicals create strong alignment with testosterone and libido support. It offers a simpler male-performance or mineral approach near or below the original’s recurring cost, with fewer weakly characterized additions.
59 Value

TESTOFX Sport

ALLMAX
Zinc and magnesium form a recognizable mineral base, with tribulus and fenugreek aimed at fitness and testosterone support. It gives a clearer contribution to the original’s male-performance goal while reducing some of the original’s poorly standardized ingredient sprawl.
71 Value

SexEssentials

Natural Factors WS WomenSense
A moderate arginine serving and several supportive actives create a plausible sexual-health formula, but tribulus, ginkgo, tongkat ali, and choline lack stronger dose or standardization support. It gives a clearer contribution to the original’s male-performance goal while reducing some of the original’s poorly standardized ingredient sprawl.
67 Value

For Him Testosterone & Libido Boost

Bluebonnet Intimate Essentials
Zinc citrate, a three-form boron complex, branded tongkat ali, and supporting botanicals create strong alignment with testosterone and libido support. It gives a clearer contribution to the original’s male-performance goal while reducing some of the original’s poorly standardized ingredient sprawl.
Report alternatives

Sources

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

  1. The effect of L-arginine supplementation on maximal oxygen uptake: A systematic review and meta-analysis.
    Rezaei S; Gholamalizadeh M; Tabrizi R; Nowrouzi-Sohrabi P; Rastgoo S; Doaei S · Physiological reports · 2021
    Meta-analysis11 studies pooledFitness forArginine
  2. Acute l-arginine supplementation increases muscle blood volume but not strength performance.
    Alvares TS; Conte CA; Paschoalin VM; Silva JT; Meirelles Cde M; Bhambhani YN; Gomes PS · Applied physiology, nutrition, and metabolism = Physiologie appliquee, nutrition et metabolisme · 2012
    Randomized trial15 participantsFitness forArginine
  3. Effect of Long-Term L-Arginine Supplementation on Arterial Compliance and Metabolic Parameters in Patients with Multiple Cardiovascular risk Factors: Randomized, Placebo-Controlled Study.
    Guttman H; Zimlichman R; Boaz M; Matas Z; Shargorodsky M · Journal of cardiovascular pharmacology · 2024
    Randomized trial90 participantsCardiovascular Support forArginine
  4. Association of l-Arginine Supplementation with Markers of Endothelial Function in Patients with Cardiovascular or Metabolic Disorders: A Systematic Review and Meta-Analysis.
    Rodrigues-Krause J; Krause M; Rocha IMGD; Umpierre D; Fayh APT · Nutrients · 2019
    Meta-analysis13 studies pooledCardiovascular Support forArginine
  5. Increase in fasting vascular endothelial function after short-term oral L-arginine is effective when baseline flow-mediated dilation is low: a meta-analysis of randomized controlled trials.
    Bai Y; Sun L; Yang T; Sun K; Chen J; Hui R · The American journal of clinical nutrition · 2009
    Meta-analysis492 participants13 studies pooledCardiovascular Support forArginine
  6. Magnesium-L-threonate improves sleep quality and daytime functioning in adults with self-reported sleep problems: A randomized controlled trial.
    Hausenblas HA; Lynch T; Hooper S; Shrestha A; Rosendale D; Gu J · Sleep medicine: X · 2025
    Randomized trial80 participantsEnergy forMagnesium
  7. Total magnesium intake and risk of frailty in older women.
    Struijk EA; Fung TT; Bischoff-Ferrari HA; Willett WC; Lopez-Garcia E · Journal of cachexia, sarcopenia and muscle · 2024
    Cohort study81,524 participantsEnergy forMagnesium
  8. Red blood cell magnesium and chronic fatigue syndrome.
    Cox IM; Campbell MJ; Dowson D · Lancet (London, England) · 1991
    Randomized trial32 participantsEnergy forMagnesium
  9. Exercise, magnesium and immune function.
    Laires MJ; Monteiro C · Magnesium research · 2008
    Narrative reviewEnergy forMagnesium
  10. The Safety and Efficacy of a Proprietary Bioactive Fatty Acids Extract From Saw Palmetto (Serenoa repens) for Promoting Hair Growth and Reducing Hair Loss in Adults With Self-Perceived Thinning Hair: 90-Day Results.
    Ablon G · Journal of cosmetic dermatology · 2025
    Randomized trial60 participantsHair Health forSaw Palmetto
  11. Effects of dietary supplements on androgenetic alopecia: a systematic review and network meta-analysis.
    Zhou L; Zhu W; Chen Y · Frontiers in nutrition · 2026
    Meta-analysis1,658 participants19 studies pooledHair Health forSaw Palmetto
  12. The Safety and Efficacy of a Novel Saw Palmetto (Serenoa repens) Extract for Promoting Hair Growth in Adults With Self-Perceived Thinning Hair: 180-Day Results.
    Ablon G · Journal of cosmetic dermatology · 2026
    Randomized trial60 participantsHair Health forSaw Palmetto
  13. Beyond Minoxidil: Off-Label Therapies for Male Androgenetic Alopecia-A Systematic Review with Network Meta-Analyses.
    Gupta AK; Compton SAH; Liddy A; Talukder M; Wang T; Bamimore MA · Medicina (Kaunas, Lithuania) · 2026
    Meta-analysis50 participants23 studies pooledHair Health forSaw Palmetto
  14. Comparitive effectiveness of finasteride vs Serenoa repens in male androgenetic alopecia: a two-year study.
    Rossi A; Mari E; Scarno M; Garelli V; Maxia C; Scali E; Iorio A; Carlesimo M · International journal of immunopathology and pharmacology · 2013
    Non-randomized trial100 participantsHair Health forSaw Palmetto
  15. Beyond Efficacy: 0.6% Selenium Disulfide Shampoo Matches 2% Ketoconazole for Seborrheic Dermatitis with Superior Cosmesis.
    Farris PK; Barbosa V; Houshman EB; Kovylkina N · Journal of drugs in dermatology : JDD · 2026
    Randomized trial87 participantsHair Health forSelenium
  16. Selenium Disulfide-based shampoo applied for 4 weeks significantly improves dandruff and seborrheic dermatitis.
    Turcu G; Artenie C; Nowicka D; Arenbergerová M; Lazaridou E; Khobzei K; Ataseven A; Part M; Leclerc-Mercier S · European journal of dermatology : EJD · 2023
    Observational study1,407 participantsHair Health forSelenium
  17. A Comparative Randomized Clinical Study Assessing the Efficacy of a 1% Selenium Disulfide-Based Shampoo versus 2% Ketoconazole Shampoo in Subjects with Moderate to Severe Scalp Seborrheic Dermatitis.
    Barbosa V; Melo DF; Vañó-Galván S; Lutchmanen-Kolanthan V; Sant'Anna B; Leclerc-Mercier S; Reygagne P · Skin appendage disorders · 2025
    Randomized trial64 participantsHair Health forSelenium
  18. Changes of serum trace elements level in patients with alopecia areata: A meta-analysis.
    Jin W; Zheng H; Shan B; Wu Y · The Journal of dermatology · 2018
    Meta-analysis764 participantsHair Health forSelenium
  19. Scientific opinion on the tolerable upper intake level for selenium.
    EFSA Panel on Nutrition, Novel Foods and Food Allergens (NDA); Turck D; Bohn T; Castenmiller J; de Henauw S; Hirsch-Ernst KI; Knutsen HK; Maciuk A; Mangelsdorf I; McArdle HJ; Peláez C; Pentieva K; Siani A; Thies F; Tsabouri S; Vinceti M; Aggett P; Crous Bou M; Cubadda F; Ciccolallo L; de Sesmaisons Lecarré A; Fabiani L; Titz A; Naska A · EFSA journal. European Food Safety Authority · 2023
    Systematic reviewHair Health forSelenium
  20. The effects of minoxidil, 1% pyrithione zinc and a combination of both on hair density: a randomized controlled trial.
    Berger RS; Fu JL; Smiles KA; Turner CB; Schnell BM; Werchowski KM; Lammers KM · The British journal of dermatology · 2003
    Randomized trial200 participantsHair Health forZinc
  21. Incubatory environment of the scalp impacts pre-emergent hair to affect post-emergent hair cuticle integrity.
    Schwartz JR; Henry JP; Kerr KM; Flagler MJ; Page SH; Redman-Furey N · Journal of cosmetic dermatology · 2018
    Randomized trialHair Health forZinc
  22. A comparison of hair quality and cosmetic acceptance following the use of two anti-dandruff shampoos.
    Draelos ZD; Kenneally DC; Hodges LT; Billhimer W; Copas M; Margraf C · The journal of investigative dermatology. Symposium proceedings · 2006
    Randomized trial40 participantsHair Health forZinc
  23. BMI and levels of zinc, copper in hair, serum and urine of Turkish male patients with androgenetic alopecia.
    Ozturk P; Kurutas E; Ataseven A; Dokur N; Gumusalan Y; Gorur A; Tamer L; Inaloz S · Journal of trace elements in medicine and biology : organ of the Society for Minerals and Trace Elements (GMS) · 2015
    Case-control study216 participantsHair Health forZinc
  24. Analysis of serum zinc and copper concentrations in hair loss.
    Kil MS; Kim CW; Kim SS · Annals of dermatology · 2013
    Case-control study342 participantsHair Health forZinc
  25. Quantitative Association Between Serum/Dietary Magnesium and Cardiovascular Disease/Coronary Heart Disease Risk: A Dose-Response Meta-analysis of Prospective Cohort Studies.
    Zhao L; Hu M; Yang L; Xu H; Song W; Qian Y; Zhao M · Journal of cardiovascular pharmacology · 2020
    Meta-analysis544,581 participants18 studies pooledHeart Health forMagnesium
  26. Effects of magnesium supplementation on improving hyperglycemia, hypercholesterolemia, and hypertension in type 2 diabetes: A pooled analysis of 24 randomized controlled trials.
    Xu L; Li X; Wang X; Xu M · Frontiers in nutrition · 2023
    Meta-analysis1,325 participants24 studies pooledHeart Health forMagnesium
  27. The effect of lowering blood pressure by magnesium supplementation in diabetic hypertensive adults with low serum magnesium levels: a randomized, double-blind, placebo-controlled clinical trial.
    Guerrero-Romero F; Rodríguez-Morán M · Journal of human hypertension · 2009
    Randomized trial82 participantsHeart Health forMagnesium
  28. Positive effects of magnesium supplementation in metabolic syndrome.
    Kisters S; Kisters K; Werner T; Vormann J; Tokmak F; Westhoff T; Gröber U; Predel HG; Reuter H · International journal of clinical pharmacology and therapeutics · 2024
    Randomized trial54 participantsHeart Health forMagnesium
  29. Comparative Efficacy of Nutraceuticals on Endothelial Function: A Systematic Review and Network Meta-Analysis.
    Norouzzadeh M; Rashedi MH; Mahdavi-Mazdeh G; Kosari A; Shahinfar H · Current atherosclerosis reports · 2026
    Meta-analysisHeart Health forMagnesium
  30. Testofen, a specialised Trigonella foenum-graecum seed extract reduces age-related symptoms of androgen decrease, increases testosterone levels and improves sexual function in healthy aging males in a double-blind randomised clinical study.
    Rao A; Steels E; Inder WJ; Abraham S; Vitetta L · The aging male : the official journal of the International Society for the Study of the Aging Male · 2017
    Randomized trial120 participantsTestosterone Support forFenugreek
  31. Effect of a plant extract of fenugreek (Trigonella foenum-graecum) on testosterone in blood plasma and saliva in a double blind randomized controlled intervention study.
    Lee-Ødegård S; Gundersen TE; Drevon CA · PloS one · 2024
    Randomized trial95 participantsTestosterone Support forFenugreek
  32. Examining the Effects of Herbs on Testosterone Concentrations in Men: A Systematic Review.
    Smith SJ; Lopresti AL; Teo SYM; Fairchild TJ · Advances in nutrition (Bethesda, Md.) · 2021
    Systematic review32 studies pooledTestosterone Support forFenugreek
  33. Efficacy of a novel extract of fenugreek seeds in alleviating vasomotor symptoms and depression in perimenopausal women: A randomized, double-blinded, placebo-controlled study.
    Khanna A; John F; Das S; Thomas J; Rao J; Maliakel B; Im K · Journal of food biochemistry · 2021
    Randomized trial48 participantsTestosterone Support forFenugreek
  34. Beneficial effects of fenugreek glycoside supplementation in male subjects during resistance training: A randomized controlled pilot study.
    Wankhede S; Mohan V; Thakurdesai P · Journal of sport and health science · 2024
    Randomized trial60 participantsTestosterone Support forFenugreek
  35. Magnesium and anabolic hormones in older men.
    Maggio M; Ceda GP; Lauretani F; Cattabiani C; Avantaggiato E; Morganti S; Ablondi F; Bandinelli S; Dominguez LJ; Barbagallo M; Paolisso G; Semba RD; Ferrucci L · International journal of andrology · 2012
    Cohort study399 participantsTestosterone Support forMagnesium
  36. Analysis of the relationship between the blood concentration of several metals, macro- and micronutrients and endocrine disorders associated with male aging.
    Rotter I; Kosik-Bogacka DI; Dołęgowska B; Safranow K; Kuczyńska M; Laszczyńska M · Environmental geochemistry and health · 2017
    Cross-sectional study313 participantsTestosterone Support forMagnesium
  37. Effect of magnesium supplementation in improving hyperandrogenism, hirsutism, and sleep quality in women with polycystic ovary syndrome: A randomized, placebo-controlled clinical trial.
    Gholizadeh-Moghaddam M; Ghasemi-Tehrani H; Askari G; Jaripur M; Clark CCT; Rouhani MH · Health science reports · 2024
    Randomized trial64 participantsTestosterone Support forMagnesium
  38. The effects of trace element supplementation on glycolipid metabolism in PCOS: a systematic review and meta-analysis.
    Yang L; Gao Y; Zhao W; Qi Y; Duo X; Wang H · Frontiers in nutrition · 2025
    Meta-analysis1,600 participants25 studies pooledTestosterone Support forMagnesium
  39. Effects of magnesium supplementation on testosterone levels of athletes and sedentary subjects at rest and after exhaustion.
    Cinar V; Polat Y; Baltaci AK; Mogulkoc R · Biological trace element research · 2011
    Non-randomized trial20 participantsTestosterone Support forMagnesium
  40. 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
  41. 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
  42. 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
  43. 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
  44. 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
  45. Environmental exposure to metals and male reproductive hormones: circulating testosterone is inversely associated with blood molybdenum.
    Meeker JD; Rossano MG; Protas B; Padmanahban V; Diamond MP; Puscheck E; Daly D; Paneth N; Wirth JJ · Fertility and sterility · 2010
    Cross-sectional study219 participantsTestosterone Support forZinc
  46. Nonpharmacological Interventions for the Management of Testosterone and Sperm Parameters: A Scoping Review.
    Santos HO; Cadegiani FA; Forbes SC · Clinical therapeutics · 2022
    Scoping reviewTestosterone Support forZinc
  47. Zinc is an Essential Element for Male Fertility: A Review of Zn Roles in Men's Health, Germination, Sperm Quality, and Fertilization.
    Fallah A; Mohammad-Hasani A; Colagar AH · Journal of reproduction & infertility · 2020
    Narrative reviewTestosterone Support forZinc
  48. Clinical, endocrinological and biochemical effects of zinc deficiency.
    Prasad AS · Clinics in endocrinology and metabolism · 1986
    Narrative reviewTestosterone Support forZinc
  49. Clinical, endocrinologic, and biochemical effects of zinc deficiency.
    Prasad AS · Special topics in endocrinology and metabolism · 1986
    Narrative reviewTestosterone Support forZinc
  50. 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
  51. Effect of Ginkgo biloba extract on preexisting visual field damage in normal tension glaucoma.
    Quaranta L; Bettelli S; Uva MG; Semeraro F; Turano R; Gandolfo E · Ophthalmology · 2003
    Randomized trial27 participantsVision Support forGinkgo
  52. [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
  53. Short-term effects of Ginkgo biloba extract on peripapillary retinal blood flow in normal tension glaucoma.
    Park JW; Kwon HJ; Chung WS; Kim CY; Seong GJ · Korean journal of ophthalmology : KJO · 2012
    Randomized trial30 participantsVision Support forGinkgo
  54. [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
  55. Efficacy and safety of AZR-MD-001 selenium sulfide ophthalmic ointment in adults with meibomian gland dysfunction: A vehicle-controlled, randomized clinical trial.
    Watson SL; Jones LW; Stapleton F; Hinds M; Ng A; Tan J; Alster Y; Bosworth C; Rafaeli O; DePuy V; CELESTIAL STUDY Group · The ocular surface · 2026
    Randomized trial245 participantsVision Support forSelenium
  56. The efficacy and safety of selenium supplementation versus placebo in the treatment of Graves' orbitopathy: A systematic review and meta-analysis of randomised controlled trials.
    Sharabati I; Qafesha RM; Hindawi MD; Amro S; Ayesh BM · Clinical endocrinology · 2024
    Meta-analysis4 studies pooledVision Support forSelenium
  57. Efficacy and safety of AZR-MD-001 selenium sulfide ophthalmic ointment in adults with meibomian gland dysfunction over six months of treatment: A Phase 2, vehicle-controlled, randomized extension trial.
    Downie LE; Craig JP; Stapleton F; Tan J; Jones LW; Ng A; Hinds M; Bosworth C; Alster Y · The ocular surface · 2025
    Randomized trial245 participantsVision Support forSelenium
  58. AZR-MD-001 0.5% selenium sulfide ophthalmic ointment for the treatment of contact lens discomfort: A vehicle-controlled, randomized, clinical trial.
    Stapleton F; Hinds M; Tan J; Jones L; Chalmers R; Bosworth C; Alster Y · The ocular surface · 2025
    Randomized trial67 participantsVision Support forSelenium
  59. The effect of a biweekly novel selenium sulfide-containing topical treatment in symptomatic contact lens wearers: An exploratory study.
    Stapleton F; Jia T; DePuy V; Bosworth C; Gleeson M; Tan J · The ocular surface · 2025
    Randomized trial14 participantsVision Support forSelenium
  60. Antioxidant vitamin and mineral supplements for age-related macular degeneration.
    Evans JR · The Cochrane database of systematic reviews · 2002
    Systematic review170 participants7 studies pooledVision Support forZinc
  61. Antioxidant vitamin and mineral supplements for slowing the progression of age-related macular degeneration.
    Evans JR; Lawrenson JG · The Cochrane database of systematic reviews · 2023
    Meta-analysis3,790 participants5 studies pooledVision Support forZinc
  62. Oral zinc in macular degeneration.
    Newsome DA; Swartz M; Leone NC; Elston RC; Miller E · Archives of ophthalmology (Chicago, Ill. : 1960) · 1988
    Randomized trial151 participantsVision Support forZinc
  63. A randomized, placebo-controlled, clinical trial of high-dose supplementation with vitamins C and E, beta carotene, and zinc for age-related macular degeneration and vision loss: AREDS report no. 8.
    Age-Related Eye Disease Study Research Group · Archives of ophthalmology (Chicago, Ill. : 1960) · 2001
    Randomized trial3,640 participantsVision Support forZinc
  64. Effect of vitamin A and zinc supplementation on the nutriture of children in Northeast Thailand.
    Udomkesmalee E; Dhanamitta S; Sirisinha S; Charoenkiatkul S; Tuntipopipat S; Banjong O; Rojroongwasinkul N; Kramer TR; Smith JC · The American journal of clinical nutrition · 1992
    Randomized trial133 participantsVision Support forZinc