
L-Arginine Plus
L-Arginine Plus scores 86/100 (B grade). Strengths: Mixed evidence quality (4 A, 2 B).
Score Breakdown
Formulate scores every product across six weighted dimensions. Each dimension is graded independently — hover or tap to see what drove each component.
Ingredients per Serving
| Ingredient | Amount |
|---|---|
| L-Arginine | 1 g |
| Green Tea Phytosome (decaffeinated / Phospholipid complex from Sunflower) | 200 mg |
| Trans-Resveratrol | 50 mg |
| Vitamin C (as Ascorbic Acid) | 300 mg |
| R-Lipoic Acid (Sodium) | 50 mg |
| Folate (L-5-MTHF) | 920 mcg DFE |
Certifications & Testing
Other Ingredients
High and Low Viscosity Hydroxypropyl Methylcellulose, Hypromellose (derived from cellulose) capsule, Leucine, Silicon Dioxide
Recommended Use
Take 3 capsules two times daily or as recommended by your health-care practitioner.
Warnings
ALLERGY WARNING This product is contraindicated in an individual with a history of hypersensitivity to any of its ingredients. PREGNANCY If pregnant, consult your health-care practitioner before using this product. INTERACTIONS 5-methyltetrahydrofolate (5-MTHF) supplementation is not recommended concurrent with methotrexate cancer therapy, as it can interfere with methotrexate's anti-neoplastic ac
Frequently Asked Questions
What is Thorne L-Arginine Plus's Formulate score?
Thorne L-Arginine Plus scores 86 out of 100 (grade A-) on Formulate's ingredient-level rubric, which weighs evidence quality, dose accuracy, bioavailability, transparency, safety, and manufacturing practices.
What's in Thorne L-Arginine Plus?
Each serving contains L-Arginine (1 g), Green Tea Phytosome (decaffeinated / Phospholipid complex from Sunflower) (200 mg), Trans-Resveratrol (50 mg), Vitamin C (as Ascorbic Acid) (300 mg), and more. Serving size: 3 Capsules. 60 servings per container.
How do I take l-arginine plus?
Take 3 capsules two times daily or as recommended by your health-care practitioner.
Is Thorne L-Arginine Plus third-party tested?
Thorne lists the following certifications and testing for this product: NSF Certified, Gluten Free, Dairy Free, Soy Free, Thorne Verified, Natural Flavors, Natural Colors, GMP Certified.
Related Supplements
Track l-arginine plus in your stack
The Formulate desktop app lets you build a personalized supplement stack, flag dose overlaps and interactions, and keep every product scored against the latest evidence.
Disclosure. Formulate may earn a commission from purchases made through links on this page. Commissions never influence scores — every product is graded by the same automated rubric. This page is for educational purposes only and does not replace advice from a qualified healthcare provider.