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Each vegan capsule provides 400mg of L-Arginine (as L-Arginine monohydrochloride) and 200mg of black maca root extract (Lepidium meyenii, 4:1, QCE 800mg).

What Is Black Maca L-Arginine and What Does It Do?

Black Maca L-Arginine is a two-ingredient cardiovascular and circulation support formula combining L-Arginine the primary dietary precursor to nitric oxide in the body with black maca root extract from the high-altitude Peruvian Andes. Nitric oxide is a signaling molecule produced by the endothelium that supports vasodilation, healthy blood flow, and normal circulation. Black maca (Lepidium meyenii) is a variety of maca root traditionally cultivated at elevations above 4,000 metres in Peru.

What Is L-Arginine and How Does It Support Circulation?

L-Arginine is an amino acid and the primary dietary precursor to nitric oxide (NO) synthesis via the nitric oxide synthase (NOS) enzyme pathway. Nitric oxide supports endothelial function, vasodilation, and healthy blood flow. This formula provides L-Arginine as L-Arginine monohydrochloride a stable salt form that delivers the same amino acid in a consistent, capsule friendly format. At 4 capsules per day, the daily dose provides 1,600mg of L-Arginine.

What Is Black Maca Root Extract and Why Is It in This Formula?

Black maca is one of three maca varieties yellow, red, and black distinguished by the colour of the root. This formula uses a 4:1 concentrated black maca root extract, meaning each 200mg capsule represents the concentrated bioactives from 800mg of raw black maca root (QCE 800mg). At 4 capsules per day, the daily dose provides 800mg of extract equivalent to 3,200mg of raw black maca root. Maca naturally contains macamides and macaenes, plant compounds used as quality markers for maca extracts.

Who Should Take Black Maca L-Arginine?

Adults seeking a Health Canada licensed cardiovascular and circulation support formula combining L-Arginine with black maca root extract. Vegan, non-GMO, and gluten free. Suitable for those who want both a nitric oxide precursor amino acid and a traditional Peruvian adaptogen root in a single daily supplement.

Consult a healthcare practitioner before use if pregnant, breastfeeding, taking medications, have a medical condition, or are scheduled for surgery. Keep out of reach of children.

Black Maca L-Arginine | Cardiovascular and Circulation Support | 90 Vegan Capsules

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Health Canada Licensed Natural Health Product (NPN 80144129)

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Each vegan capsule provides 400mg of L-Arginine (as L-Arginine monohydrochloride) and 200mg of black maca root extract (Lepidium meyenii, 4:1, QCE 800mg).

What Is Black Maca L-Arginine and What Does It Do?

Black Maca L-Arginine is a two-ingredient cardiovascular and circulation support formula combining L-Arginine the primary dietary precursor to nitric oxide in the body with black maca root extract from the high-altitude Peruvian Andes. Nitric oxide is a signaling molecule produced by the endothelium that supports vasodilation, healthy blood flow, and normal circulation. Black maca (Lepidium meyenii) is a variety of maca root traditionally cultivated at elevations above 4,000 metres in Peru.

What Is L-Arginine and How Does It Support Circulation?

L-Arginine is an amino acid and the primary dietary precursor to nitric oxide (NO) synthesis via the nitric oxide synthase (NOS) enzyme pathway. Nitric oxide supports endothelial function, vasodilation, and healthy blood flow. This formula provides L-Arginine as L-Arginine monohydrochloride a stable salt form that delivers the same amino acid in a consistent, capsule friendly format. At 4 capsules per day, the daily dose provides 1,600mg of L-Arginine.

What Is Black Maca Root Extract and Why Is It in This Formula?

Black maca is one of three maca varieties yellow, red, and black distinguished by the colour of the root. This formula uses a 4:1 concentrated black maca root extract, meaning each 200mg capsule represents the concentrated bioactives from 800mg of raw black maca root (QCE 800mg). At 4 capsules per day, the daily dose provides 800mg of extract equivalent to 3,200mg of raw black maca root. Maca naturally contains macamides and macaenes, plant compounds used as quality markers for maca extracts.

Who Should Take Black Maca L-Arginine?

Adults seeking a Health Canada licensed cardiovascular and circulation support formula combining L-Arginine with black maca root extract. Vegan, non-GMO, and gluten free. Suitable for those who want both a nitric oxide precursor amino acid and a traditional Peruvian adaptogen root in a single daily supplement.

Consult a healthcare practitioner before use if pregnant, breastfeeding, taking medications, have a medical condition, or are scheduled for surgery. Keep out of reach of children.

Supplement Facts

Supplement Facts

Serving Size: 2 Capsules

Servings Per Container: 45

Ingredient
Amount Per
Serving
% Daily
Value
L-Arginine (as L-Arginine Monohydrochloride)
800 mg
Black Maca Root Extract (Lepidium meyenii, Root, 4:1, QCE 1,600mg)
400 mg

† Daily Value not established

Other Ingredients:
Hypromellose (Vegetable Capsule Shell), Microcrystalline Cellulose, Magnesium Stearate (Vegetable Source)

Clinical Research

L-Arginine Supplementation and Endothelial Nitric Oxide Synthesis A Randomized Controlled Trial in Healthy Adults

Journal of the American College of Cardiology, 2003

This randomized controlled trial examined the effect of oral L-Arginine supplementation on endothelial nitric oxide synthesis and markers of cardiovascular function in healthy adults. The trial documented that L-Arginine supplementation produced statistically significant increases in plasma nitric oxide metabolites and improvements in endothelium dependent vasodilation compared to placebo. The authors concluded that oral L-Arginine supplementation supports endothelial nitric oxide availability and endothelium dependent vasodilation, providing a mechanistic basis for its cardiovascular and circulation support effects.

Black Maca (Lepidium meyenii) Phytochemical Profile and Biological Activity of the Black Variety

Evidence Based Complementary and Alternative Medicine, 2012

This study examined the phytochemical composition and biological activity of black maca (Lepidium meyenii) root compared to yellow and red maca varieties. The study documented that black maca contains a distinct profile of macamides, macaenes, glucosinolates, and alkaloids, with the black variety showing a unique phytochemical fingerprint relative to the other colour varieties. The authors concluded that black maca has a distinct bioactive compound profile that differentiates it from other maca varieties and supports its use as a specific botanical ingredient rather than a generic maca source.

L-Arginine and Nitric Oxide in Cardiovascular Health Mechanisms, Clinical Evidence, and Supplementation

Cardiovascular Drug Reviews, 2007

This review examined the mechanistic and clinical evidence for L-Arginine supplementation in cardiovascular health, focusing on its role as the primary substrate for endothelial nitric oxide synthase (eNOS) and the downstream effects of nitric oxide on vascular tone, blood flow, and endothelial function. The review documented that L-Arginine supplementation supports nitric oxide bioavailability, endothelium-dependent vasodilation, and healthy circulation in multiple clinical studies. The authors concluded that L-Arginine is a well-characterized nitric oxide precursor with a consistent mechanistic basis for cardiovascular and circulation support, and that oral supplementation is an effective strategy for supporting endothelial nitric oxide availability.

Research information is provided for educational purposes and does not replace the product's approved label information.

Frequently Asked Questions

What is L-Arginine and how does it work in the Black Maca L-Arginine formula?

L-Arginine is an amino acid and the primary dietary precursor to nitric oxide (NO) in the body. Nitric oxide is produced by the endothelium and supports vasodilation, healthy blood flow, and normal circulation. This formula provides L-Arginine as L-Arginine monohydrochloride a stable salt form that delivers the same amino acid in a consistent capsule format. At 4 capsules per day, the daily dose provides 1,600mg of L-Arginine.

How does L-Arginine in Black Maca L-Arginine support cardiovascular health?

L-Arginine is converted to nitric oxide via the nitric oxide synthase (NOS) enzyme pathway. Nitric oxide is a signaling molecule produced by the endothelium the inner lining of blood vessels that supports vasodilation, healthy blood pressure within normal range, and normal blood flow. Supporting nitric oxide availability through L-Arginine supplementation is the primary mechanism underlying the cardiovascular and circulation support claims for this formula.

What is the QCE of black maca in the Black Maca L-Arginine daily dose?

QCE stands for Quantity Crude Equivalent the Health Canada standardized term for expressing the raw plant material equivalent of a concentrated extract. Each capsule contains 200mg of black maca root extract at a 4:1 concentration, equivalent to 800mg of raw black maca root (QCE 800mg per capsule). At the recommended dose of 4 capsules per day, the daily QCE is 3,200mg of raw black maca root.