L-Arginine — 500 mg, 100 Vegetarian Capsules — Supports Heart, Vascular & Circulatory Health
LifeSource Vitamins L-Arginine delivers 500 mg of free-form L-arginine per capsule to help support healthy blood flow, endothelial function, and cardiovascular wellness. This nitric oxide precursor is ideal for adults who want to maintain healthy circulation and support overall heart health as part of their daily routine. Convenient vegetarian capsules make it easy to add consistent amino acid support to your wellness regimen.*
✅ Family-Owned Since 1992
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Key Benefits
- Supports healthy blood flow and endothelial function*
- Helps maintain cardiovascular wellness*
- Supports nitric oxide production for vascular health*
- Free-form amino acid for daily use*
- 3rd-Party Tested - Trusted Since 1992
Key Ingredients
- L-Arginine (free-form) — 500 mg — Nitric oxide precursor that supports healthy circulation and vascular function.*
Who May Benefit Most
- Adults seeking support for healthy blood flow and circulation*
- Those wanting cardiovascular and vascular wellness support*
- Individuals looking for nitric oxide precursor support*
- People who prefer convenient vegetarian capsules*
Independently 3rd-Party Tested
Identity • Purity • Potency • Label Accuracy
Produced in FDA-registered, GMP-certified facilities.
See Our Testing Results →
Why Trust LifeSource Vitamins
Since 1992, LifeSource Vitamins has remained committed to providing high-quality supplements made with carefully selected ingredients and rigorously tested for identity, purity, potency, and label accuracy. As a family-owned company, we believe you deserve transparency, consistency, and products you can trust to support your wellness goals.
Wellness Research & Education
LifeSource Vitamins evaluates wellness research and educational resources from respected organizations including the National Institutes of Health (NIH), Mayo Clinic, Harvard Health, Johns Hopkins Medicine, Cleveland Clinic, Mount Sinai, and other trusted health resources.
- Research has explored L-arginine for supporting endothelial function and healthy blood flow.*
- Studies have evaluated L-arginine for cardiovascular and vascular wellness.*
- Traditionally used as a nitric oxide precursor for circulatory support.*
Suggested Use
See product label for full instructions, or as directed by your healthcare professional.*
Product Specifications
- Serving Size: 2 Vegetarian Capsules | Servings Per Container: 50
- Amount Per Serving: 1,000 mg L-Arginine
- Form: Vegetarian Capsules
- Free From: Non-GMO, gluten-free
- Quality: 3rd-party tested for identity, potency & purity
- Made in FDA-registered, GMP-certified U.S. facilities
Often Paired With
Recommended Reading
Questions? Contact us at support@lifesourcevitamins.com
Proudly American — Family-Owned Since 1992
*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.
L-Arginine supports heart, vascular & circulatory health. Nitric oxide precursor. 3rd-Party Tested. LifeSource Vitamins | Trusted Since 1992.*
