ProveIt Supplements

Independent, evidence-based supplement analysis.

✓ Not Sponsored

✓ No Paid Reviews

✓ Science-Based

Company

  • About Us
  • Our Methodology
  • Contact
  • Blog
  • Authors

Legal

  • Privacy Policy
  • Terms of Service
  • Medical Disclaimer
  • Affiliate Disclosure

Resources

  • All Categories
  • Ingredient Database
  • Browse Supplements
  • FAQ

© 2026 ProveIt Supplements. All rights reserved.

Medical Disclaimer: The information provided is for educational purposes only and is not intended as medical advice. Always consult with a qualified healthcare professional before starting any supplement regimen.

Prove It
Browse SupplementsBlogAuthorsAboutMethodologyFAQ
Get Your Personalized Supplement StackSupplement Stack Quiz
Menu
HomeBrowse SupplementsBlogAuthorsAboutMethodologyFAQ
L-Arginine L-Ornithine L-Lysine Complex

L-Arginine L-Ornithine L-Lysine Complex

Puritan's Pride

#Post-Workout
75
Safety80
Efficacy70
Transparency68
Based on Examine, Wikipedia, and 23 other sources

Overview

The Puritan's Pride L-Arginine L-Ornithine L-Lysine Complex provides a combination of amino acids at doses that may offer some benefits, particularly for L-Arginine and L-Lysine. However, the efficacy of L-Ornithine in this specific form for athletic performance or general health in otherwise healthy individuals is less well-established. The potential synergistic effects of these amino acids for muscle growth and recovery are often promoted, but robust clinical evidence for this specific combination at these exact doses is limited.

The Good

Provides a substantial dose of L-Arginine which supports nitric oxide production and blood flow.

Includes a good dose of L-Lysine, essential for protein and collagen synthesis, aiding muscle recovery.

L-Ornithine component supports liver function and ammonia detoxification.

The Bad

The benefits of L-Ornithine, specifically in this form and dose, for athletic performance in healthy individuals are not as robustly supported by evidence as L-Arginine or L-Lysine.

High doses of L-Arginine can lead to gastrointestinal discomfort in some individuals.

Potential interactions with certain medications, such as blood pressure and diabetes drugs, must be considered.

Is it for you?

Best For: Individuals seeking muscle growth, improved exercise performance, and recovery support

Skip If: You have certain health conditions without consulting a healthcare provider, or if you experience gastrointestinal discomfort.

Ingredients Analysis

Calcium

184 mg

Sodium

10 mg

L-Arginine Hydrochloride

1447 mg

L-Ornithine Hydrochloride

900 mg

L-Lysine Hydrochloride

1200 mg

How to Use

Take 4 tablets per serving, ideally before or after exercise, with water.

Frequency:

Daily

Best Time:

Pre-workout or Post-workout

When:

As directed, potentially with water

Who Should Use This

Best For:

Individuals seeking muscle growth, improved exercise performance, and recovery support