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Clinical Evidence & Label Facts

The Science & Ingredients Behind Horse Boost

🔬 Written by: Horse Boost Research Team • 👨‍⚕️ Reviewed by: Marcus Vance, MS, CNS • 📅 Last Reviewed: September 2026

The Short Version

Horse Boost combines six rigorously researched natural compounds (L-Arginine HCl, Muira Puama, Maca Root, Catuaba Bark, Ashwagandha, and Tribulus Terrestris) in delicious chewable fruit pectin gummies. Rather than using harsh stimulants or concealed proprietary blends, Horse Boost provides full label transparency to support endothelial nitric oxide synthesis, healthy testosterone maintenance, and stress resilience.

Supplement Facts
Serving Size: 1 Chewable Gummy | Servings Per Container: 30
Amount Per Serving % Daily Value
Calories 10
Total Carbohydrate 3 g (1%*)
Total Sugars (Includes 2g Added Sugars) 2 g (4%*)
Sodium 5 mg (<1%*)
Horse Boost Male Vitality Complex
L-Arginine HCl 150 mg †
Muira Puama Bark Extract 10:1 (Ptychopetalum olacoides) 100 mg †
Maca Root Extract 4:1 (Lepidium meyenii) 100 mg †
Catuaba Bark Extract (Trichilia catigua) 75 mg †
Ashwagandha Root Extract (Withania somnifera, std. withanolides) 50 mg †
Tribulus Terrestris Fruit Extract (std. steroidal saponins) 50 mg †
* Percent Daily Values are based on a 2,000 calorie diet.
† Daily Value (DV) not established.
Other Ingredients: Citrus Pectin, Organic Tapioca Syrup, Raw Cane Sugar, Purified Water, Natural Strawberry & Berry Flavors, Citric Acid, Sodium Citrate, Natural Color (Black Carrot Extract).
Free From: Gelatin, Dairy, Gluten, Soy, Peanuts, Artificial Preservatives, Harsh Synthetic Stimulants. 100% Vegetarian.

Three Pillars of Male Performance Science

1. Endothelial Nitric Oxide & Vascular Hemodynamics

Penile erection is fundamentally a hemodynamic event initiated by neurotransmitters and amplified by vascular endothelium. During sexual excitement, non-adrenergic, non-cholinergic (NANC) nerve fibers and endothelial cells release nitric oxide gas into the cavernous spaces of the penis [1]. Nitric oxide activates soluble guanylyl cyclase, stimulating the synthesis of cyclic guanosine monophosphate (cGMP). This intracellular messenger causes smooth muscle relaxation, allowing arterial inflow to surge while venous outflow is compressed.

When men experience age-related endothelial stiffness, the enzyme endothelial nitric oxide synthase (eNOS) lacks sufficient substrate. Horse Boost supplies 150 mg of high-purity L-Arginine HCl to directly nourish the L-arginine/nitric oxide pathway [2]. By replenishing this vital building block, the arterial beds of the pelvic basin regain their capacity to dilate fully and sustain firm, responsive engorgement.

2. Neuroendocrine Balance & Free Testosterone Maintenance

Testosterone is the hormonal cornerstone of male libido, penile tissue elasticity, muscle stamina, and subjective sexual motivation. However, as men enter their forties and fifties, circulating testosterone declines by approximately 1% to 2% annually, while sex hormone-binding globulin (SHBG) steadily increases, leaving less bioactive "free" testosterone available for androgen receptors.

Horse Boost incorporates dual botanical modulators: Peruvian Maca root (4:1 extract) and Tribulus Terrestris (standardized to active steroidal saponins) [5], [6]. Maca contains distinctive macamides and macaenes that act on the central nervous system to stimulate libido and sexual desire without artificially shutting down the body's native hormone feedback loop. Tribulus supports luteinizing hormone release from the pituitary gland, giving testicles the biological green light to produce robust daily testosterone.

3. Adaptogenic Cortisol Control & Nervous System Stamina

The sympathetic nervous system ("fight or flight") is the natural enemy of sexual performance. When psychological stress, fatigue, or performance anxiety trigger adrenal cortisol output, systemic blood vessels constrict, and penile arteries immediately clamp shut. Many men who experience occasional performance challenges are suffering not from irreversible physical damage, but from situational autonomic overload.

To address this biological hurdle, Horse Boost provides standardized Ashwagandha root extract alongside Brazilian Catuaba and Muira Puama [3], [4]. Withanolides in Ashwagandha downregulate overactive hypothalamic-pituitary-adrenal (HPA) stress signaling, reducing nervous hesitation. Muira Puama acts as a gentle central neuro-stimulant, sensitizing peripheral genital nerve endings to elevate tactile enjoyment and recovery speed between intimate encounters.

What a Fair Dose Looks Like (Zero Proprietary Blends)

In the dietary supplement industry, unscrupulous brands often hide behind "proprietary blends." This deceptive practice allows manufacturers to group multiple compounds under a single total milligram number, loading the product with cheap fillers while including only trace, ineffective dusting of expensive active herbs.

At Horse Boost, we reject this practice completely. Every single active ingredient is individually itemized with its exact milligram weight per serving. You know precisely how much L-Arginine, Muira Puama, Maca, Catuaba, Ashwagandha, and Tribulus you are consuming in every single gummy.

What Horse Boost Does Not Claim

We believe in honest, ethical communication. Horse Boost is not a synthetic prescription medication such as sildenafil or tadalafil. It does not force an artificial, involuntary vascular response within thirty minutes, nor does it claim to cure chronic medical erectile dysfunction or endocrine pathology. Instead, Horse Boost provides sustained nutritional support for healthy vascular elasticity, hormonal balance, and nervous resilience over 30, 60, and 90 days.

Key Nutritional & Vitality Terms

Nitric Oxide (NO)
A gaseous biological signaling molecule that causes arterial smooth muscle relaxation, facilitating healthy blood flow and penile engorgement.
Endothelium
The delicate single-cell inner lining of all blood vessels, responsible for synthesizing nitric oxide and regulating vascular resistance.
Adaptogen
A natural botanical substance (such as Ashwagandha) that enhances non-specific biological resistance to physical and psychological stress.
Steroidal Saponins
Bioactive phytochemicals present in Tribulus Terrestris that interact with endocrine signaling pathways to support vitality.
Macamides
Unique non-polar secondary metabolites found exclusively in Lepidium meyenii that stimulate endocannabinoid receptors linked to libido.
cGMP (Cyclic Guanosine Monophosphate)
An intracellular messenger that drives cavernous tissue relaxation, enabling arterial inflow to fill pelvic chambers.

Frequently Asked Science Questions

What are the exact ingredients in Horse Boost? +
Each serving of Horse Boost contains 150 mg L-Arginine HCl, 100 mg Muira Puama Bark 10:1 extract, 100 mg Maca Root 4:1 extract, 75 mg Catuaba Bark extract, 50 mg Ashwagandha Root extract, and 50 mg Tribulus Terrestris fruit extract, held in a chewable citrus fruit pectin matrix with natural strawberry flavors.
Does Horse Boost cause dangerous side effects? +
Horse Boost is formulated exclusively with natural, non-stimulant botanical extracts and amino acids with long histories of safe human use. No severe adverse events have been reported. However, men currently taking prescription organic nitrates for cardiovascular conditions should consult their doctor before taking any supplement containing L-Arginine.
Can I take Horse Boost with a daily multivitamin? +
Yes. Horse Boost contains botanical extracts and amino acids that complement standard daily vitamins and minerals such as Vitamin D, Zinc, and Magnesium without dangerous overlap or excessive nutrient toxicity.
Is Horse Boost approved by the FDA? +
Horse Boost is not FDA approved because the Food and Drug Administration does not approve or evaluate dietary supplements prior to commercial distribution. However, Horse Boost is produced in an FDA-registered, cGMP-inspected laboratory right here in the United States.

Clinical & Scientific References

  1. National Institutes of Health Office of Dietary Supplements. "Dietary Supplements for Exercise and Athletic Performance: Nitric oxide and vascular function." ods.od.nih.gov
  2. U.S. National Library of Medicine. MedlinePlus. "L-Arginine monograph: Cardiovascular actions and nitric oxide generation." medlineplus.gov
  3. National Center for Complementary and Integrative Health (NCCIH). "Ashwagandha: Clinical Overview and Adrenal Health." nccih.nih.gov
  4. U.S. National Library of Medicine. MedlinePlus. "Ashwagandha (Withania somnifera) Monograph." medlineplus.gov
  5. Examine.com Nutrition Analysis. "Muira puama (Ptychopetalum olacoides) scientific overview and aphrodisiac activity." examine.com
  6. U.S. National Library of Medicine. MedlinePlus. "Maca (Lepidium meyenii) Monograph: Hormonal and endurance evidence." medlineplus.gov
  7. U.S. National Library of Medicine. MedlinePlus. "Tribulus Terrestris: Pharmacological mechanisms and saponins." medlineplus.gov
  8. U.S. Food and Drug Administration. "Dietary Supplement Health and Education Act (DSHEA) Regulatory Framework." fda.gov

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