---
product_id: 537160356
title: "L-Theanine 400 mg - L Theanine for Stress Relief - Plant Based - 120 Caps | Extra Strength L Theanine Supplement for Men & Women - Relaxation, Sleep & Calm Support - Lab Tested, Vegan, Non-GMO"
brand: "nutraharmony"
price: "$43.96"
currency: USD
in_stock: true
category: "Nutraharmony"
url: https://www.desertcart.us/products/537160356-l-theanine-400-mg-l-theanine-for-stress-relief-plant
store_origin: US
region: United States of America
---

# 100% plant-based purity 400mg potent dose third-party lab tested L-Theanine 400 mg - L Theanine for Stress Relief - Plant Based - 120 Caps | Extra Strength L Theanine Supplement for Men & Women - Relaxation, Sleep & Calm Support - Lab Tested, Vegan, Non-GMO

**Brand:** nutraharmony
**Price:** $43.96
**Availability:** ✅ In Stock

## Summary

> 🌿 Unlock calm, focus, and sleep—naturally.

## Quick Answers

- **What is this?** L-Theanine 400 mg - L Theanine for Stress Relief - Plant Based - 120 Caps | Extra Strength L Theanine Supplement for Men & Women - Relaxation, Sleep & Calm Support - Lab Tested, Vegan, Non-GMO by nutraharmony
- **How much does it cost?** $43.96 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/537160356-l-theanine-400-mg-l-theanine-for-stress-relief-plant)

## Best For

- nutraharmony enthusiasts

## Why This Product

- Trusted nutraharmony brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Pure Plant Power:** Sourced from premium green tea, vegan, non-GMO, gluten-free, and caffeine-free.
- • **Sleep Like a Pro:** Supports deep, restful sleep so you wake up refreshed and ready to conquer.
- • **Quality You Can Trust:** Made in GMP-certified US facilities with rigorous third-party lab testing.
- • **Calm Your Mind, Own Your Day:** 400mg of L-Theanine delivers powerful stress relief and mental clarity.
- • **Effortless Wellness, Anytime:** 120 vegan capsules provide a 60-day supply of consistent relaxation support.

## Overview

NUTRAHARMONY L-Theanine 400mg is a premium, plant-based supplement designed to reduce stress, enhance focus, and promote restful sleep. Each vegan capsule is crafted in GMP-certified US facilities and third-party lab tested for purity. With 120 capsules per bottle, it offers a 60-day supply of natural calm and mental clarity, free from gluten, caffeine, and artificial additives.

## Description

desertcart.com: L Theanine 400 mg | L-Theanine Stress Relief | Extra Strength Supplement | Lab Tested | Relaxation, Sleep & Calm Support | For Men & Women | Plant Based, Non-GMO & Gluten-Free | 120 Vegan Capsules : Health & Household

## Features

- L Theanine Supplement — Don’t stress & do your best! Sleep well with l theanine 400mg! Provides calming & relaxing effect on the body, supports good sleep, and the ability to deal with stress.
- Calm, Sleep & Relax — L theanine works by encouraging brain-wave activity, which improves concentration by reducing distractions and promoting a more focused state of mind
- 100% Natural Source — L Theanine effectively relaxes and relieves mental and physical tension. It has a natural ability to deal with nervousness and stress-related sleep problems. Found and made from the purest, highest quality green tea!
- Premium Quality — made in USA with globally sourced ingredients in GMP-certified facilities and third-party lab tested for purity and quality. Carefully crafted to deliver consistent, reliable support with every capsule.
- Quality Matters — NUTRAHARMONY ltheanine vitamin is an excellent and effortless choice for improving your health. If you want to share your experience or have questions about l- theanine, message us. Our support team works 24/7. Maintain your health anytime, anywhere with a ltheanine supplement!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0C9N1Q5QS |
| Age Range Description | Adult |
| Allergen Information | Gluten Free |
| Best Sellers Rank | #5,173 in Health & Household ( See Top 100 in Health & Household ) #56 in Herbal & Nutritional Sleep Supplements |
| Brand | NUTRAHARMONY |
| Brand Name | NUTRAHARMONY |
| Container Type | Bottle |
| Customer Reviews | 4.6 out of 5 stars 2,143 Reviews |
| Diet Type | Vegan |
| Dosage Form | Capsule |
| Flavor | Unflavored |
| Item Form | Capsule |
| Item Weight | 400 Milligrams |
| Manufacturer | Distributed by Nutra Harmony LLC |
| Manufacturer Part Number | 5 |
| Material Features | Dairy Free |
| Material Type Free | Caffeine Free |
| Model Name | NH-LTHEANINECPS120 |
| Model Number | 5 |
| Number of Items | 1 |
| Primary Supplement Type | L-Theanine |
| Product Benefits | Sleep Support |
| Special Ingredients | L-Theanine |
| Supplement Formulation | Individual Supplement |
| Total Servings Per Container | 60 |
| UPC | 850053814006 |
| Unit Count | 120.00 Count |

## Product Details

- **Age Range (Description):** Adult
- **Brand:** NUTRAHARMONY
- **Diet Type:** Vegan
- **Flavor:** Unflavored
- **Item Form:** Capsule
- **Item Weight:** 400 Milligrams
- **Primary Supplement Type:** L-Theanine
- **Product Benefits:** Sleep Support
- **Special Ingredients:** L-Theanine
- **Unit Count:** 120.00 Count

## Images

![L-Theanine 400 mg - L Theanine for Stress Relief - Plant Based - 120 Caps | Extra Strength L Theanine Supplement for Men & Women - Relaxation, Sleep & Calm Support - Lab Tested, Vegan, Non-GMO - Image 1](https://m.media-amazon.com/images/I/71C+sNy7HHL.jpg)

## Available Options

This product comes in different **Size** options.

## Frequently Bought Together

- L Theanine 400 mg | L-Theanine Stress Relief | Extra Strength Supplement | Made in USA | Relaxation, Sleep & Calm Support | For Men & Women | Plant Based, Non-GMO & Gluten-Free | 120 Vegan Capsules
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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-08-05*