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Clinical Formulation

The Science Behind Boostaro: Formula & Supplement Facts

By Boostaro Research & Formulation Team • Medically Reviewed by Dr. Nathan Vance, PharmD • Last Reviewed: August 2026

Boostaro is formulated upon three decades of vascular physiology research, focusing on the biochemical precursors that fuel endothelial nitric oxide synthase, maintain arterial collagen elasticity, and support fluid microvascular blood dynamics in men.

Formula Overview at a Glance

Each serving of Boostaro delivers a fully transparent profile of seven bioactive ingredients: 500mg L-Citrulline, 100mg Maritime Pine Bark Extract (95% proanthocyanidins), 100mg Vitamin C, 150mg L-Lysine HCl, 100mg Magnesium Citrate, 50mcg Vitamin K2 (Menaquinone-7), and 100mg Nattokinase (2,000 FU). Boostaro contains zero proprietary blends, artificial preservatives, or synthetic stimulants.

Supplement Facts

Serving Size: 2 Vegetarian Capsules
Servings Per Container: 30
Amount Per Serving Amount % Daily Value
Vitamin C (as Ascorbic Acid) 100 mg 111%
Vitamin K2 (as Menaquinone-7 / MK-7) 50 mcg 42%
Magnesium (as Magnesium Citrate) 100 mg 24%
L-Citrulline 500 mg †
Maritime Pine Bark Extract (Pinus pinaster) (min. 95% Proanthocyanidins) 100 mg †
L-Lysine HCl 150 mg †
Nattokinase (providing 2,000 Fibrinolytic Units) 100 mg †
* Percent Daily Values are based on a 2,000 calorie diet.
† Daily Value (DV) not established.
Other Ingredients: Hypromellose (Vegetable Capsule Shell), Organic Rice Flour, Silicon Dioxide, Vegetable Magnesium Stearate.
Free of: GMOs, Gluten, Dairy, Soy, Yeast, Peanuts, Artificial Colors, and Chemical Preservatives.

The Three Biological Pillars of the Boostaro Formula

Pillar 1: Sustained Endothelial Nitric Oxide Output

The primary biochemical trigger for arterial vasodilation is Nitric Oxide (NO), a gaseous signaling molecule synthesized by endothelial cells lining blood vessels. However, dietary L-Arginine suffers from heavy pre-systemic clearance in the liver. Boostaro resolves this limitation by delivering 500mg of pharmaceutical-grade L-Citrulline, which bypasses hepatic destruction, circulating directly to the kidneys where it is efficiently metabolized into active L-Arginine, generating robust and sustained plasma nitric oxide concentrations [5].

To maximize enzymatic conversion, Boostaro pairs L-Citrulline with standardized Maritime Pine Bark Extract (Pinus Pinaster). The concentrated oligomeric proanthocyanidins in pine bark stimulate the activity of endothelial nitric oxide synthase (eNOS) while protecting nascent NO molecules from reactive oxygen species degradation, creating a powerful dual-action pathway for vascular dilation [2].

Pillar 2: Arterial Elasticity & Structural Collagen Protection

Vasodilation cannot occur effectively if arterial walls have become rigid or compromised. The structural flexibility of cardiovascular vessels depends upon continuous collagen synthesis and cross-linking. Boostaro utilizes the established nutritional synergy of high-potency Vitamin C (Ascorbic Acid) and L-Lysine HCl [1], [3]. Vitamin C acts as an essential cofactor for prolyl and lysyl hydroxylase enzymes, ensuring strong, resilient arterial tissue that resists micro-fissures under pressure.

Additionally, Boostaro incorporates Vitamin K2 in its superior Menaquinone-7 (MK-7) form. MK-7 activates Matrix Gla Protein (MGP), an essential physiological inhibitor of vascular calcification. By preventing calcium ions from precipitating into arterial walls and redirecting them toward bone matrix, Vitamin K2 maintains the youthful, supple elasticity of systemic blood vessels [3].

Pillar 3: Microvascular Viscosity & Smooth Capillary Flow

The human microcirculatory network consists of millions of microscopic capillaries narrower than a human hair. Fluid delivery across these delicate vessels requires optimal blood viscosity and relaxed vascular tone. Boostaro includes 100mg of purified Nattokinase enzyme, standardized to provide 2,000 Fibrinolytic Units (FU). Nattokinase supports natural fibrin breakdown, reducing cellular clumping and ensuring smooth, unobstructed capillary transit [4].

This action is completed by Magnesium Citrate, an essential electrolyte that acts as a natural calcium channel antagonist within vascular smooth muscle cells, preventing chronic vasoconstriction and promoting effortless blood flow on demand [7].

Why Boostaro Rejects "Proprietary Blends"

Many commercial supplements hide ineffective, sub-clinical dosages behind obscure "proprietary blend" labels. At Boostaro, we believe discerning consumers deserve complete transparency. Every single milligram and microgram of our seven active ingredients is openly stated on our label, reflecting the exact dosages validated in peer-reviewed clinical research.

What Boostaro Does Not Claim

Boostaro is an authentic dietary supplement designed to support normal, healthy cardiovascular and vascular functions in adult men. Boostaro does not claim to cure, treat, or reverse chronic pathology, nor is it a prescription drug substitute. We encourage all customers to consult their healthcare provider before introducing any nutritional supplement into their wellness regimen.

Vascular Science Glossary

Endothelial Nitric Oxide Synthase (eNOS):
The primary enzyme responsible for catalyzing nitric oxide synthesis from L-Arginine within the inner lining of blood vessels.
Vasodilation:
The physiological widening of blood vessel lumens resulting from the relaxation of vascular smooth muscle cells, leading to increased blood flow.
Matrix Gla Protein (MGP):
A vitamin K-dependent protein that actively binds free calcium in the bloodstream, preventing arterial mineral hardening.
Fibrinolytic Units (FU):
A standardized measure of an enzyme's ability to break down excess fibrin protein in the blood to maintain healthy viscosity.

Scientific Q&A

Why is L-Citrulline used instead of standard L-Arginine?
L-Citrulline exhibits significantly higher systemic bioavailability because it bypasses preliminary liver breakdown. Once absorbed, it converts directly into L-Arginine in the renal system, sustaining plasma nitric oxide levels far more effectively than direct L-Arginine ingestion.
Are there any artificial stimulants or banned substances in Boostaro?
No. Boostaro is 100% free of synthetic stimulants, caffeine, pharmaceutical analogs, and banned substances. It works strictly through nutritional pathways that support natural cardiovascular biology.
Is Boostaro approved by the FDA?
Under the Dietary Supplement Health and Education Act (DSHEA), dietary supplements are not approved by the FDA. However, Boostaro is manufactured strictly within an FDA-registered facility that complies fully with Current Good Manufacturing Practices (cGMP).

Authoritative Scientific References

  1. National Institutes of Health (NIH) Office of Dietary Supplements. "Vitamin C Health Professional Fact Sheet." ods.od.nih.gov
  2. MedlinePlus, U.S. National Library of Medicine. "Maritime Pine Bark Extract (Pinus pinaster)." medlineplus.gov
  3. Knapen MHJ, et al. "Menaquinone-7 Supplementation Improves Arterial Stiffness in Healthy Postmenopausal Women." Thrombosis and Haemostasis. PubMed 25694037
  4. PubMed Central. "Nattokinase: An Oral Antithrombotic Agent for the Prevention of Cardiovascular Disease." PubMed 15514282
  5. Examine.com Clinical Database. "L-Citrulline: Nitric Oxide, Blood Flow and Ergogenic Research." examine.com
  6. MedlinePlus. "Lysine: Human Nutritional Overview and Physiological Roles." medlineplus.gov
  7. National Institutes of Health (NIH). "Magnesium in Human Physiology and Cardiovascular Function." ods.od.nih.gov
  8. U.S. Food and Drug Administration. "Dietary Supplement Health and Education Act (DSHEA) Guidelines." fda.gov
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