Arginine
L-Arginine HCl
NITRIC OXIDE BOOSTER & CIRCULATION SUPPORT
L-Arginine is a semi-essential amino acid that serves as the primary precursor to nitric oxide (NO) — the molecule responsible for relaxing blood vessels and improving blood flow. It supports cardiovascular health, exercise performance, and healthy blood pressure.
30-day supply
Key Benefits
Supports nitric oxide production for blood flow
Promotes cardiovascular health
Supports exercise performance and recovery
May support healthy blood pressure
Supports These Goals
Why you'll love it
Nitric oxide might be the most underappreciated molecule in your body. It's the signal that tells your blood vessels to relax and widen, improving blood flow to your heart, muscles, brain, and everywhere else. L-Arginine is the raw material your body uses to produce it.
For exercise enthusiasts, better blood flow means more oxygen and nutrients delivered to working muscles, improved endurance, and faster recovery. Studies show arginine supplementation can enhance exercise capacity, particularly during high-intensity efforts where blood flow becomes a limiting factor.
On the cardiovascular side, arginine supports healthy blood pressure by promoting vasodilation — the widening of blood vessels that reduces resistance to blood flow. Research has also shown benefits for circulation in people who spend long hours sitting. It's a foundational amino acid that keeps your vascular system running smoothly.
Clinical Evidence
Our recommendations are grounded in published clinical research. Here are key studies supporting the benefits of Arginine.
L-arginine lowers blood pressure by 6 points at 4+ g/day
Effect of L-arginine supplementation on blood pressure in adults: a systematic review and dose-response meta-analysis
2022
Arginine helps treat mild to moderate erectile dysfunction
The potential role of arginine supplements on erectile dysfunction: a systemic review and meta-analysis
2019
Study titles shown are simplified summaries of the original research for readability. Original titles are shown in italics below each heading. All studies cited are from peer-reviewed journals indexed in PubMed. Links open in a new tab to the original source. These studies are provided for informational purposes and do not constitute medical advice.
How much do I really need?
Take one 500mg capsule daily. For exercise performance, take 30-60 minutes before training. For cardiovascular support, consistent daily use is more important than timing. Can be taken with or without food.
Safety & Transparency
Full transparency — here's exactly what's in every capsule, verified by our manufacturer.
Third-Party Tested
Every batch is independently tested by ISO-17025 accredited labs for purity, potency, and contaminants.
Doctor Formulated
Designed by healthcare professionals using evidence-based research and clinical expertise.
cGMP Certified
Manufactured in cGMP & UL certified, FDA-registered facilities with a flawless inspection record.
Important Information
Contraindications:
- •blood pressure medication
If you take blood pressure medication, consult your healthcare provider before use, as arginine may enhance their effects.
As with any natural health product, you should consult your healthcare practitioner on the use of this product. Store product in a cool and dry place. Keep out of reach of children. If you experience an adverse event or allergic reaction, discontinue use immediately and contact a healthcare professional.
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