ProveIt Supplements

Independent, evidence-based supplement analysis.

✓ Not Sponsored

✓ No Paid Reviews

✓ Science-Based

Company

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

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-Glutamine 5000 mg Unflavored

L-Glutamine 5000 mg Unflavored

GNC Pro Performance

#Other
65
Safety90
Efficacy40
Transparency90
Based on Examine, Wikipedia, and 23 other sources

Overview

This L-Glutamine supplement may be beneficial for individuals with depleted glutamine levels due to intense exercise, supporting intestinal health, immune function, and protein synthesis. However, it does not significantly enhance athletic performance.

The Good

Supports intestinal health and immune function

May aid in post-exercise recovery and protein synthesis

Banned substance tested

The Bad

Limited benefits for athletic performance

May not be necessary for individuals with adequate protein intake

Potential for excessive ammonia with very high doses

Is it for you?

Best For: Athletes, individuals seeking muscle recovery support, those with intense training regimens

Skip If: You have liver or kidney disease, or are pregnant/nursing without consulting a doctor

Ingredients Analysis

L-Glutamine

5 g

How to Use

Mix one scoop (5000 mg) with water or your favorite beverage. Consume post-workout or at other times as directed by a healthcare professional.

Frequency:

Daily

Best Time:

Post-workout or before bed

When:

With water or preferred beverage

Who Should Use This

Best For:

Athletes, individuals seeking muscle recovery support, those with intense training regimens

Recommended Articles

Glutamine Dosage for Gut Health: A Guide

Glutamine Dosage for Gut Health: A Guide

Glutamine supports gut health with a recommended dosage of 5-30 grams per day, available in various supplement forms.