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-Lysine 1000 mg

L-Lysine 1000 mg

Puritan's Pride

#Other
92
Safety91
Efficacy93
Transparency72
Based on Examine, Wikipedia, and 23 other sources

Overview

Puritan's Pride L-Lysine 1000 mg is an essential amino acid supplement praised by customers for supporting immune health and collagen production, particularly for skin health and reducing cold sore frequency.

Is it for you?

Best For: Individuals seeking immune support, those prone to cold sores, people looking to support collagen production and skin health

Skip If: You have kidney disease without consulting a healthcare provider

Ingredients Analysis

L-Lysine

1000 mg

How to Use

Take one caplet daily, preferably with a meal, or as directed by your healthcare provider.

Frequency:

Daily

Best Time:

Anytime

When:

As directed by a healthcare professional

Who Should Use This

Best For:

Individuals seeking immune support, those prone to cold sores, people looking to support collagen production and skin health