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-Theanine

L-Theanine

Higher Nature

#Sleep Aid
88
Safety90
Efficacy85
Transparency75
Based on Examine, Wikipedia, and 23 other sources

Overview

Higher Nature L-Theanine is a supplement designed to support relaxation and mental calm, often used for stress reduction and improved sleep quality.

Is it for you?

Best For: Individuals experiencing stress, those seeking relaxation, people looking to improve sleep quality

Skip If: You are pregnant, breastfeeding, or taking blood pressure medication without consulting a doctor.

Ingredients Analysis

L-Theanine

100 mg

How to Use

Take 1-2 capsules daily, or as directed by a healthcare professional. Do not exceed recommended dosage.

Frequency:

Daily

Best Time:

Morning & Evening

When:

Between meals or with water

Who Should Use This

Best For:

Individuals experiencing stress, those seeking relaxation, people looking to improve sleep quality

Recommended Articles

L-Theanine Dosage for Focus: Avoid Drowsiness

L-Theanine Dosage for Focus: Avoid Drowsiness

200-400mg daily of L-theanine enhances focus without causing drowsiness, with benefits amplified when combined with caffeine.

Safe Energy Supplement Ingredients for Daily Use

Safe Energy Supplement Ingredients for Daily Use

Caffeine, when consumed in doses up to 400mg per day, is a safe and effective ingredient in energy supplements for healthy adults.

Best Sleep Supplements: Ingredients & Doses

Best Sleep Supplements: Ingredients & Doses

Melatonin (0.5-5 mg) and Valerian root (300-600 mg) are highly recommended for improving sleep quality.

Avoiding Stimulants: A Guide for Sensitive Individuals

Avoiding Stimulants: A Guide for Sensitive Individuals

Identify stimulant ingredients to avoid, understand their effects, discover alternatives, and learn label-reading tips for sensitivity.