---
product_id: 527251682
title: "Irwin Naturals Double Potency 5-HTP Extra - 60 Liquid Soft-Gels, Pack of 3 - for Relaxation & Serotonin Production - 90 Total Servings"
brand: "irwin naturals"
price: "¥401"
currency: JPY
in_stock: false
reviews_count: 3
url: https://www.desertcart.jp/products/527251682-irwin-naturals-double-potency-5-htp-extra-60-liquid-soft
store_origin: JP
region: Japan
---

# Bioperine Complex for 30%+ nutrient absorption boost L-Theanine + Holy Basil + Damiana blend 200 mg 5-HTP per serving Irwin Naturals Double Potency 5-HTP Extra - 60 Liquid Soft-Gels, Pack of 3 - for Relaxation & Serotonin Production - 90 Total Servings

**Brand:** irwin naturals
**Price:** ¥401
**Availability:** ❌ Out of Stock

## Summary

> 💼 Elevate your calm—because your mind deserves the premium upgrade.

## Quick Answers

- **What is this?** Irwin Naturals Double Potency 5-HTP Extra - 60 Liquid Soft-Gels, Pack of 3 - for Relaxation & Serotonin Production - 90 Total Servings by irwin naturals
- **How much does it cost?** ¥401 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/527251682-irwin-naturals-double-potency-5-htp-extra-60-liquid-soft)

## Best For

- irwin naturals enthusiasts

## Why This Product

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

## Key Features

- • **Holistic Herbal Boost:** Synergistic blend of L-Theanine, Holy Basil, and Damiana to elevate mood and reduce stress naturally.
- • **90 Servings, Triple Pack:** Sustain your wellness journey with 3 bottles, providing 90 total servings of daily relaxation support.
- • **Double Potency Relaxation:** Maximize calm with 200 mg of pure 5-HTP per serving for balanced serotonin support.
- • **Convenient Liquid Soft-Gels:** Easy-to-swallow formula designed for fast, effective delivery—perfect for busy professionals on the go.
- • **Enhanced Nutrient Absorption:** Bioperine Complex supercharges bioavailability, ensuring you get the most from every soft-gel.

## Overview

Irwin Naturals Double Potency 5-HTP Extra delivers 200 mg of 5-HTP per serving, enhanced with a potent herbal blend and Bioperine Complex for superior absorption. Designed as easy-to-swallow liquid soft-gels, this triple-pack offers 90 total servings aimed at promoting relaxation and balanced serotonin production for improved well-being.

## Description

Full description not available

## Features

- IMPROVED WELL-BEING - Irwin Naturals Double Potency 5-HTP Extra can be taken daily to help support relaxation, and in doing so, help promote a more balanced state of mind.
- SEROTONIN PRODUCTION - Central to this formulation is 5-Hydroxytryptophan (5-HTP), a naturally occurring amino acid that is the immediate precursor of serotonin. It helps the body to naturally produce this hormone.
- COMPREHENSIVE FORMULA - To complement the benefits of 5-HTP, our formula also features L-Theanine, Holy Basil, and Damiana.
- ADVANCED DELIVERY SYSTEM - Our advanced, easy-to-swallow liquid soft-gels include our special Bioperine Complex, which enhances the bioavailability, absorption, and potency of many nutrients.

## Product Details

- **Brand:** Irwin Naturals
- **Flavor:** Unflavored
- **Primary Supplement Type:** Magnesium, Vitamin B6
- **Unit Count:** 60.0 Count
- **Item Form:** Softgel
- **Special Ingredients:** 5-Hydroxytryptophan (5-HTP), Holy Basil, L-Theanine, Lemon Balm, Saffron
- **Product Benefits:** Relaxation Aid, Sleep Support, Stress Management, Stress Relief
- **Age Range (Description):** Adult
- **Package Information:** Bottle
- **Number of Items:** 1

## Images

![Irwin Naturals Double Potency 5-HTP Extra - 60 Liquid Soft-Gels, Pack of 3 - for Relaxation & Serotonin Production - 90 Total Servings - Image 1](https://m.media-amazon.com/images/I/71KGqXNCeZL.jpg)
![Irwin Naturals Double Potency 5-HTP Extra - 60 Liquid Soft-Gels, Pack of 3 - for Relaxation & Serotonin Production - 90 Total Servings - Image 2](https://m.media-amazon.com/images/I/81gJOIy-NjL.jpg)
![Irwin Naturals Double Potency 5-HTP Extra - 60 Liquid Soft-Gels, Pack of 3 - for Relaxation & Serotonin Production - 90 Total Servings - Image 3](https://m.media-amazon.com/images/I/810hH3mViSL.jpg)
![Irwin Naturals Double Potency 5-HTP Extra - 60 Liquid Soft-Gels, Pack of 3 - for Relaxation & Serotonin Production - 90 Total Servings - Image 4](https://m.media-amazon.com/images/I/81jKxA4UmHL.jpg)
![Irwin Naturals Double Potency 5-HTP Extra - 60 Liquid Soft-Gels, Pack of 3 - for Relaxation & Serotonin Production - 90 Total Servings - Image 5](https://m.media-amazon.com/images/I/81c1dtyksoL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Mood lift
*by M***A on August 28, 2023*

I always take these in the morning & it's boosts dopamine/ serotonin

### ⭐⭐⭐⭐ works as directed
*by J***N on May 12, 2025*

help to stay calmm

### ⭐ Stomach upset
*by K***R on November 15, 2024*

I tried this for 2 weeks but had diahrea the entire time. It has quality ingredients but I just can't tolerate it

## Frequently Bought Together

- Irwin Naturals Double Potency 5-HTP Extra - 60 Liquid Soft-Gels with Pill Case - 5-HTP Support Supplement - for Relaxation Aids with Calm, Restful Sleep and Stress Relief
- NOW GABA 500 mg,200 Veg Capsules

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-26*