Boostaro Reviews: Launches Seven-Ingredient Daily Capsule Supplement for Men’s Wellness in the U.S.

New twice-daily formula combines L-citrulline, L-lysine, vitamin C, magnesium, vitamin K2, Pinus pinaster extract and nattokinase, with an ingredient-by-ingredient research overview

OGDEN, Utah, Sept. 19, 2026 — Boostaro today announced the U.S. launch of its seven-ingredient dietary supplement for adult men. The capsule formula combines two amino acids, two vitamins, an essential mineral, a botanical extract and an enzyme. It is designed for men who want a single daily supplement that fits into an established routine of balanced nutrition, physical activity and regular healthcare.

The formula contains L-citrulline, L-lysine, vitamin C, magnesium, vitamin K2, Pinus pinaster (maritime pine) extract and nattokinase. The recommended serving is one capsule twice daily. Boostaro states that the product is manufactured in the United States in an FDA-registered facility that follows Good Manufacturing Practice (GMP) guidelines.

Alongside the launch, Boostaro is publishing an ingredient overview that summarizes published research on each component. The overview also explains where that research stops and what it does not establish about the finished product.

“Men’s wellness supplements are often sold on bold promises built from loosely connected studies,” said Jane Dewis, Media Relations manager at Boostaro. “We took the opposite approach. Boostaro is a straightforward daily formula, and we’re telling consumers exactly what’s in it, what the science on each ingredient actually shows, and where the evidence is still limited.”

A Multi-Ingredient Formula for Daily Men’s Wellness

Boostaro’s formula draws from four ingredient categories, each associated with different aspects of normal physiological function:

• Amino acids: L-citrulline and L-lysine support protein metabolism and related biochemical pathways.

• Essential micronutrients: vitamin C, magnesium and vitamin K2 play established roles in normal body function, including muscle, nerve, bone and connective-tissue health.

• Botanical extract: Pinus pinaster contributes naturally occurring plant compounds known as procyanidins.

• Enzyme: nattokinase, derived from a traditional fermented soybean food.

The combination reflects the company’s view that men’s wellness involves multiple systems, including circulation, muscle function, bone health and nutrient status, rather than a single pathway. Boostaro emphasizes that this is a formulation rationale, not a clinical finding. The finished product has not been evaluated as a complete formula in published clinical trials.

L-Citrulline: Research on Nitric Oxide Metabolism

L-citrulline is a non-essential amino acid found naturally in watermelon and produced in the body. It is converted to L-arginine, which the body uses to produce nitric oxide, a signaling molecule involved in normal blood vessel function.

A study published in the British Journal of Clinical Pharmacology examined oral L-citrulline and L-arginine in 20 healthy volunteers [1]. The researchers found that oral L-citrulline raised plasma L-arginine levels more efficiently than L-arginine itself and increased markers associated with nitric oxide activity. This research is one reason L-citrulline is widely used in sports nutrition and cardiovascular wellness formulations.

The study had important boundaries. It was small, involved healthy participants and used specific doses of L-citrulline alone. Its findings describe how the ingredient is metabolized. They do not demonstrate a particular outcome from Boostaro, which contains L-citrulline together with six other ingredients at amounts that may differ from those studied.

Full details regarding ingredient specifications are provided in the company’s product documentation.

L-Lysine: An Essential Amino Acid for Protein Building

L-lysine is an essential amino acid, meaning the body cannot produce it and it must come from food or supplementation. Lysine is a building block of protein and contributes to collagen formation and calcium absorption. Men with high physical activity levels or diets low in animal protein may pay particular attention to lysine intake. Its inclusion in Boostaro reflects its established nutritional role rather than a product-specific clinical claim.

Vitamin C: Collagen and Antioxidant Function

Vitamin C is an essential nutrient the body cannot synthesize. It is required for collagen production, which supports skin, tendons, ligaments and blood vessel walls, and it functions as an antioxidant that helps protect cells from oxidative stress. Vitamin C also contributes to normal immune function. Because it is widely available in fruits, vegetables and other supplements, consumers should consider their total intake from all sources.

Magnesium: A Mineral Many Men Under-Consume

Magnesium is an essential mineral involved in more than 300 enzyme systems. According to the National Institutes of Health Office of Dietary Supplements (ODS), it contributes to protein synthesis, muscle and nerve function, blood glucose control, blood pressure regulation and bone structure [4]. The recommended dietary allowance for adult men is 400 to 420 mg per day, and ODS notes that many Americans consume less than recommended amounts from food.

ODS also sets a tolerable upper intake level of 350 mg per day for supplemental magnesium in adults, separate from magnesium in food. Men already taking a multivitamin, electrolyte product or standalone magnesium supplement should account for combined intake.

Vitamin K2: Bone Metabolism and an Important Medication Interaction

Vitamin K2 belongs to the menaquinone family of vitamin K compounds. According to ODS, vitamin K is required to activate proteins involved in normal blood clotting and in bone metabolism, including osteocalcin, a protein associated with bone mineralization [5]. Interest in vitamin K2 for men’s healthy aging has grown as research has examined its role in bone and vascular health, although the evidence varies in strength across outcomes.

ODS also identifies a significant interaction: vitamin K can reduce the effectiveness of warfarin and similar anticoagulant medications, and people taking these drugs are advised to keep vitamin K intake consistent [5]. Men on anticoagulant therapy should speak with their prescribing healthcare professional before taking any supplement containing vitamin K.

Pinus Pinaster Extract: A Botanical With Mixed Evidence

Pinus pinaster, or maritime pine, grows along the coast of southwestern France and the Mediterranean. Its bark is the source of extracts rich in procyanidins, a class of plant polyphenols, and one standardized bark extract has been studied in human trials involving circulation, vascular function and several other outcomes.

A 2020 Cochrane systematic review evaluated 27 randomized controlled trials of pine bark extracts across a range of chronic conditions [2]. The reviewers concluded that the evidence was insufficient to support use for any chronic disorder, citing small study sizes, variable methods and inconsistent outcome measures.

Boostaro includes this finding deliberately. Maritime pine extract remains an active area of research, but the current evidence does not support treatment claims. Extracts also differ in sourcing, standardization and concentration, so research on one preparation cannot be assumed to apply to another.

Nattokinase: Enzyme Research and Safety Considerations

Nattokinase is an enzyme produced during the fermentation of soybeans with Bacillus subtilis to make natto, a traditional Japanese food. It has attracted research interest because of its fibrinolytic activity, meaning its interaction with fibrin, a protein involved in blood clot formation.

A study published in Scientific Reports gave a single oral dose of nattokinase to 12 healthy young men and measured blood markers over the following hours [3]. The researchers observed changes in several markers related to fibrinolysis and coagulation compared with placebo. These results were preliminary. The study was small and short-term, and it measured blood markers rather than health outcomes.

The same activity that makes nattokinase interesting to researchers also calls for caution. Nattokinase may increase bleeding risk when combined with anticoagulant or antiplatelet medications, including aspirin, or before surgical procedures. Because Boostaro also contains vitamin K2, which interacts with warfarin, men taking any blood-thinning medication should consult a healthcare professional before use.

What Ingredient Research Does and Does Not Show

Boostaro’s research overview separates three questions: what each ingredient is, what researchers have studied about it, and what has been demonstrated about the finished formula. Those questions have different answers.

The studies referenced here examined individual ingredients at specific doses, in specific populations and over specific periods. Boostaro combines seven ingredients in a single capsule, and the amounts, preparations and interactions within that formula differ from the conditions of any individual study. For that reason, Boostaro does not describe its formula as clinically proven and does not attribute ingredient-level research results to the finished product.

“We think men respond better to honesty than hype,” said Jane Dewis. “Every ingredient in Boostaro has a legitimate nutritional role or an active research history. What we won’t do is stretch a study beyond what it found.”

Safety and Suitability

Boostaro is intended for healthy adult men. Men who are taking prescription medication, particularly anticoagulants, antiplatelet drugs or blood pressure medication, should consult a qualified healthcare professional before use. The same applies to men who are managing a medical condition, scheduled for surgery or taking other dietary supplements.

Consumers should follow the directions on the product label and should not exceed the recommended serving. The physical label and Supplement Facts panel are the definitive source for ingredient amounts, directions and warnings.

Product Format and Availability

Boostaro is available now to consumers across the United States through the company’s official website. Each bottle contains capsules intended to be taken twice daily, one capsule per serving. The product is manufactured in the United States in an FDA-registered, GMP-compliant facility.

FDA facility registration and GMP compliance relate to manufacturing standards and quality controls. They do not indicate FDA approval of the product or its claims, as dietary supplements are not approved by the FDA before sale.

About Boostaro

Boostaro is a U.S.-based dietary supplement brand focused on men’s daily wellness. Its flagship formula combines L-citrulline, L-lysine, vitamin C, magnesium, vitamin K2, Pinus pinaster extract and nattokinase in a twice-daily capsule manufactured in an FDA-registered, GMP-compliant facility. The company’s approach centers on ingredient transparency and plain-language explanation of the research behind each component. More information is available at goboostaro.com.

References

1. Schwedhelm E, Maas R, Freese R, et al. Pharmacokinetic and pharmacodynamic properties of oral L-citrulline and L-arginine: impact on nitric oxide metabolism. British Journal of Clinical Pharmacology. 2008;65(1):51–59.

2. Robertson NU, Schoonees A, Brand A, Visser J. Pine bark (Pinus spp.) extract for treating chronic disorders. Cochrane Database of Systematic Reviews. 2020;9:CD008294.

3. Kurosawa Y, Nirengi S, Homma T, et al. A single-dose of oral nattokinase potentiates thrombolysis and anti-coagulation profiles. Scientific Reports. 2015;5:11601.

4. National Institutes of Health, Office of Dietary Supplements. Magnesium: Fact Sheet for Health Professionals.

5. National Institutes of Health, Office of Dietary Supplements. Vitamin K: Fact Sheet for Health Professionals.

Media Contact
Jane Dewis, Media Relations Manager
Boostaro
PO Box 12730, Ogden, UT 84412, United States
Email: jane@goboostaro.com
Phone: 1-888-851-5931
Website: goboostaro.com

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease. Research referenced in this release concerns individual ingredients and does not constitute clinical evaluation of the complete Boostaro formula or endorsement by the cited researchers, journals or government agencies.