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
SLEEPXL

SLEEPXL

SLEEPXL by Great HealthWorks

#Sleep Aid
73
Safety70
Efficacy75
Transparency70
Based on Examine, Wikipedia, and 23 other sources

Overview

The SLEEPXL supplement combines several ingredients known to support sleep and relaxation. Melatonin and L-Theanine are present in clinically relevant doses, contributing to sleep onset and quality. While Magnesium is included, the forms (citrate and oxide) may not be optimally absorbed, and the chamomile extract dose could be higher for stronger Generalized Anxiety Disorder (GAD) relief, though it still offers calming properties. Overall, the blend has a good synergistic potential for sleep improvement.

The Good

Contains a clinically effective dose of Melatonin for sleep onset

L-Theanine is adequately dosed to promote relaxation and alpha-wave activity, aiding sleep quality

Magnesium is included, which can contribute to muscle relaxation and nervous system regulation

The Bad

Suboptimal form of Magnesium (oxide)

Chamomile extract dose might be lower than some effective doses for GAD

Melatonin dosage might be higher than necessary for some individuals and could lead to daytime grogginess or dependence with long-term use

Is it for you?

Best For: Individuals experiencing occasional sleeplessness, those looking to improve sleep quality, people seeking natural relaxation

Skip If: You are pregnant or nursing, taking sedative medications, or have a pre-existing medical condition without consulting a doctor.

Ingredients Analysis

Vitamin B6 (Pyridoxine HCL)

1.7 mg

Magnesium (as magnesium citrate, magnesium oxide)

200 mg

Chamomile extract (flower) (std. to 1.2% apigenin)

125 mg

L-Theanine

100 mg

Melatonin

3 mg

How to Use

Take 1-2 capsules approximately 30-60 minutes before desired sleep, with or without food.

Frequency:

Daily

Best Time:

Evening

When:

Before bed

Who Should Use This

Best For:

Individuals experiencing occasional sleeplessness, those looking to improve sleep quality, people seeking natural relaxation