Pure Encapsulations

L-Arginine

Product Quality

Overall evidence-based quality rating

How Product Quality is assessed

8.49Very Good

Price

$0.61/serving

Retail

$27.60

Container

45 servings

Serving

2 Capsules

Brand Quality

8.9

Why this score

Testing practices

Lot Tested
Third-Party Lab Tested
Transparent Batch-Specific COAs
ISO 17025 Lab

Testing coverage

Identity
Purity
Potency
Heavy Metals
Raw Ingredient Testing

Certifications

NSF Certified

Manufacturing standards

cGMP Certified
Made in USA

Innovation

Clinically Studied Product

Active Ingredients

Calories
5 Calories
L-Arginine Hydrochloride
1400 mg
Ingredient research · L-Arginine hydrochloride
L-Arginine hydrochloride is a soluble salt of arginine, an amino acid used to make nitric oxide, which relaxes blood vessels. Supplementation may improve blood flow and modestly benefit blood pressure or erectile function in some settings, but the hydrochloride form has no established advantage beyond formulation properties.
- Supports selected weight-status and C-reactive-protein measures during treatment for active tuberculosis.
- Supports selected perioperative redox markers when added to cardioplegia during coronary bypass surgery.
Top References
Arginine Adjunctive Therapy in Active Tuberculosis
L-Arginine Cardioplegia Reduces Oxidative Stress and Preserves Diastolic Function in Patients with Low Ejection Fraction Undergoing Coronary Artery Surgery

Ranking

Arginine Products94%

Inactive Ingredients

10 Ideal

CelluloseIdeal
WaterIdeal

These statements have not been evaluated by the Food and Drug Administration. Any products and informational content displayed on this page are not intended to diagnose, treat, cure, or prevent any disease.