---
product_id: 17590198
title: "Klaire Labs SFI Health L-Theanine, 60 Capsules"
brand: "sfi health"
price: "¥10070"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/17590198-klaire-labs-sfi-health-l-theanine-60-capsules
store_origin: JP
region: Japan
---

# Supports serotonin, dopamine & norepinephrine balance Hypoallergenic & free from 9 common allergens 200mg Suntheanine pure L-theanine per serving Klaire Labs SFI Health L-Theanine, 60 Capsules

**Brand:** sfi health
**Price:** ¥10070
**Availability:** ✅ In Stock

## Summary

> 🌿 Elevate your calm—because your mind deserves the best.

## Quick Answers

- **What is this?** Klaire Labs SFI Health L-Theanine, 60 Capsules by sfi health
- **How much does it cost?** ¥10070 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/17590198-klaire-labs-sfi-health-l-theanine-60-capsules)

## Best For

- sfi health enthusiasts

## Why This Product

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

## Key Features

- • **Calm Without Compromise:** Patented Suntheanine formula promotes relaxation without drowsiness, perfect for busy professionals.
- • **Unflavored & Convenient:** Easy-to-swallow capsules with no taste distractions—ideal for daily use anytime, anywhere.
- • **Neurotransmitter Harmony:** Scientifically supports key brain chemicals to help reduce stress and enhance mood naturally.
- • **Trusted Legacy Since 1969:** Developed with healthcare practitioners, ensuring premium quality and efficacy you can rely on.
- • **Clean & Sensitive Friendly:** Hypoallergenic, free from gluten, soy, nuts, and artificial additives—crafted for your wellness peace of mind.

## Overview

Klaire Labs SFI Health L-Theanine delivers 200mg of pure Suntheanine per capsule, a patented form of L-theanine known for promoting relaxation without causing drowsiness. This hypoallergenic supplement supports neurotransmitter balance by modulating serotonin, dopamine, and norepinephrine levels. Free from common allergens and artificial additives, it’s trusted by healthcare practitioners since 1969 to provide clean, effective stress relief for sensitive adults.

## Features

- Promote Relaxation - L-theanine is a unique amino acid compound found in green tea, and is noted for its calming benefits.*
- Suntheanine Pure L-Theanine - Suntheanine brand pure L-theanine is produced through a patented manufacturing process. Studies with Suntheanine show it may promote relaxation without drowsiness.*
- Neurotransmitter Support - L-theanine has been studied for its ability to reduce glutamate uptake and support the body's serotonin, dopamine, and norepinephrine excretion.*
- Hypoallergenic* - Keeping sensitives in mind, this product is free of the following common allergens: milk/casein, eggs, fish, shellfish, tree nuts, peanuts, wheat, gluten, soybeans, and yeast. Contains no artificial colors, flavors, or preservatives.
- Practitioner Trusted - Trusted by healthcare practitioners since 1969, Klaire Labs products are developed closely with physicians and are intended to be used as directed by a healthcare practitioner.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Asin | B00JUZZZ10 |
| Best Sellers Rank | #3,764 in Blended Vitamin & Mineral Supplements |
| Date First Available | July 30, 2014 |
| Manufacturer | SFI Health |
| Product Dimensions | 3 x 3 x 3 inches; 0.8 ounces |

## Product Details

- **Age Range (Description):** Adult
- **Brand:** SFI Health
- **Flavor:** Unflavored
- **Item Form:** Capsule
- **Item Weight:** 22.68 g
- **Item dimensions L x W x H:** 3 x 3 x 3 inches
- **Package Information:** Bottle
- **Product Benefits:** Hypoallergenic,Relaxation
- **Special Ingredients:** Amino Acid
- **Unit Count:** 60 Count

## Images

![Klaire Labs SFI Health L-Theanine, 60 Capsules - Image 1](https://m.media-amazon.com/images/I/61dofa66V9L.jpg)

## Frequently Bought Together

- Klaire Labs L-Theanine - 100mg Suntheanine to Promote Promote Relaxation (60 Capsules)
- Klaire Labs Magnesium Glycinate Complex - Chelated Magnesium Blend for Optimal Absorption - Supports Healthy Bones, Muscles & Energy Levels - Gentle on Digestion (100 Capsules)
- Klaire Labs GABA - 420 Milligrams Gamma-Aminobutyric Acid, Neurotransmitter to Support Calm & Mood (60 Capsules)

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**Shop now:** [https://www.desertcart.jp/products/17590198-klaire-labs-sfi-health-l-theanine-60-capsules](https://www.desertcart.jp/products/17590198-klaire-labs-sfi-health-l-theanine-60-capsules)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-10-29*