---
product_id: 497748613
title: "- KA EX - Cortisol Stress Reducer for Athletes | Post-Workout Recovery Gamechanger | Clinically Tested and Trusted by Thousands of Pro Athletes | Swiss Science I Vegan (3 Pack)"
brand: "ka ex"
price: "¥3130"
currency: JPY
in_stock: true
reviews_count: 8
category: "Ka Ex"
url: https://www.desertcart.jp/products/497748613-ka-ex-cortisol-stress-reducer-for-athletes-post-workout-recovery
store_origin: JP
region: Japan
---

# Electrolyte + vitamin blend for fast recovery Vegan, gluten & soy-free Swiss formula 36% cortisol reduction in 48h - KA EX - Cortisol Stress Reducer for Athletes | Post-Workout Recovery Gamechanger | Clinically Tested and Trusted by Thousands of Pro Athletes | Swiss Science I Vegan (3 Pack)

**Brand:** ka ex
**Price:** ¥3130
**Availability:** ✅ In Stock

## Summary

> ⚡ Recharge, Recover, Repeat — The Pro Athlete’s Secret Weapon

## Quick Answers

- **What is this?** - KA EX - Cortisol Stress Reducer for Athletes | Post-Workout Recovery Gamechanger | Clinically Tested and Trusted by Thousands of Pro Athletes | Swiss Science I Vegan (3 Pack) by ka ex
- **How much does it cost?** ¥3130 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/497748613-ka-ex-cortisol-stress-reducer-for-athletes-post-workout-recovery)

## Best For

- ka ex enthusiasts

## Why This Product

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

## Key Features

- • **Sleep & Performance Booster:** Science-backed nutrients regulate cortisol for deeper sleep, enhanced resilience, and peak daily performance.
- • **Elite Athlete-Grade Recovery:** Swiss-engineered formula with electrolytes, minerals, and amino acids fuels faster muscle repair and hydration.
- • **Trusted by Pros, Made for You:** Olympian-approved recovery that fits seamlessly into busy lifestyles—because your body deserves elite care every day.
- • **Clinically Proven Stress Relief:** Backed by 3 trials, KA-EX slashes cortisol by 36% in just 48 hours to reboot your body and mind.
- • **Complete Electrolyte & Vitamin Recharge:** Magnesium, potassium, calcium, zinc, and B-vitamins replace what sweat and stress drain—keeping you sharp and energized.

## Overview

KA EX is a clinically tested, Swiss-engineered cortisol reducer designed for athletes and active professionals. It lowers cortisol by 36% within 48 hours, combining a potent blend of electrolytes, minerals, amino acids, and vitamins to accelerate post-workout recovery, improve sleep quality, and enhance mental focus. Vegan, gluten-free, and Informed Sport Certified, KA EX delivers elite-level recovery trusted by thousands of pro athletes and optimized for everyday use.

## Description

Buy KA EX - Cortisol Stress Reducer for Athletes | Post-Workout Recovery Gamechanger | Clinically Tested and Trusted by Thousands of Pro Athletes | Swiss Science I Vegan (3 Pack) on desertcart.com ✓ FREE SHIPPING on qualified orders

Review: Faster recovery, less stress and clinically testing - I’ve been using KA EX – Cortisol Stress Reducer for a few weeks now, and it has quickly become a must-have in my post-workout routine. What stood out to me immediately is how well it helps with recovery. After tough training sessions, I usually feel drained the next day, but with KA EX I notice faster bounce-back, less soreness, and more energy overall. Another big plus is the stress management factor. Cortisol can be tough to keep in check, especially when balancing workouts with everyday life, and I’ve genuinely felt more focused and calm since adding this to my regimen. It’s backed by Swiss science, clinically tested, and trusted by athletes—which gave me confidence in the quality. The fact that it’s vegan is a nice bonus, and it mixes easily without any weird aftertaste. The serving packs are convenient, especially if you’re on the go. While it’s not the cheapest supplement out there, I’d say the benefits make it worth the investment. Overall, if you’re serious about recovery, reducing stress, and improving performance, this is absolutely worth trying.
Review: Worth trying. - First time using this product, it was used as a recovery aid for a weekend of 160 miles of cycling, as a 54 year old with a wife and kids recovery after a long run or ride is the most important aspect of the day. This product gave what I needed to ride 90 miles on Saturday, 70 miles on Sunday and do extra family activities, it allowed me to put on two days back to back with solid efforts of solo rides. So far it seems like it delivers on what’s promised. Not sold on taste but as long as it works that’s not a problem.

## Features

- CLINICALLY PROVEN CORTISOL REDUCTION: Backed by 3 clinical trials, KA-EX reduces cortisol by 36% in just 48 hours, helping your body recharge. Lower stress levels translate to deeper sleep, faster recovery, more energy, and stronger performance in training and daily life.
- ENGINEERED FOR RECOVERY: Swiss engineered, GMP & Informed Sport Certified, KA-EX combines electrolytes, minerals, amino acids, and vitamins to help you recover faster from workouts, endurance sports, or long workdays. Just mix one packet with 10-20 oz. of water for clean, effective hydration and repair.
- CORTISOL SUPPORT FOR SLEEP & RECOVERY: Science-backed nutrients help regulate cortisol, reduce stress, and support restorative sleep. Better sleep means faster muscle recovery and more resilience so you can perform at your best, even on rest days.
- COMPLETE ELECTROLYTE + VITAMIN BLEND: With magnesium, potassium, calcium, zinc, and a full B-vitamin complex, KA-EX replaces what sweat and stress deplete. This vegan, gluten-free, soy-free formula supports electrolyte balance, increased metabolism, muscle function, and mental focus.
- ATHLETE-LEVEL RECOVERY FOR ALL: Trusted by Olympians and professionals at the highest levels of sport yet built to fit into everyday routines. KA-EX delivers elite-grade recovery benefits for anyone who wants to sleep better, recover faster, and get more out of their body.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN  | B0BMXK62BD |
| Best Sellers Rank | #22,423 in Health & Household ( See Top 100 in Health & Household ) #18 in Sports Nutrition Post Workout & Recovery Products |
| Customer Reviews | 4.1 4.1 out of 5 stars (126) |
| Date First Available  | November 19, 2022 |
| Manufacturer  | KAEX |
| Product Dimensions  | 3.94 x 3.94 x 3.94 inches; 3 ounces |

## Product Details

- **Age Range (Description):** Adult
- **Brand:** KA EX
- **Flavor:** Lemon
- **Item Form:** Powder
- **Item Weight:** 3 Ounces
- **Item dimensions L x W x H:** 3.94 x 3.94 x 3.94 inches
- **Package Information:** Sachet
- **Primary Supplement Type:** Phosphatidylserine
- **Product Benefits:** Stress Relief
- **Unit Count:** 3.0 Ounce

## Images

![- KA EX - Cortisol Stress Reducer for Athletes | Post-Workout Recovery Gamechanger | Clinically Tested and Trusted by Thousands of Pro Athletes | Swiss Science I Vegan (3 Pack) - Image 1](https://m.media-amazon.com/images/I/51ScHqHPHsL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Faster recovery, less stress and clinically testing
*by S***E on September 11, 2025*

I’ve been using KA EX – Cortisol Stress Reducer for a few weeks now, and it has quickly become a must-have in my post-workout routine. What stood out to me immediately is how well it helps with recovery. After tough training sessions, I usually feel drained the next day, but with KA EX I notice faster bounce-back, less soreness, and more energy overall. Another big plus is the stress management factor. Cortisol can be tough to keep in check, especially when balancing workouts with everyday life, and I’ve genuinely felt more focused and calm since adding this to my regimen. It’s backed by Swiss science, clinically tested, and trusted by athletes—which gave me confidence in the quality. The fact that it’s vegan is a nice bonus, and it mixes easily without any weird aftertaste. The serving packs are convenient, especially if you’re on the go. While it’s not the cheapest supplement out there, I’d say the benefits make it worth the investment. Overall, if you’re serious about recovery, reducing stress, and improving performance, this is absolutely worth trying.

### ⭐⭐⭐⭐⭐ Worth trying.
*by L***N on January 14, 2026*

First time using this product, it was used as a recovery aid for a weekend of 160 miles of cycling, as a 54 year old with a wife and kids recovery after a long run or ride is the most important aspect of the day. This product gave what I needed to ride 90 miles on Saturday, 70 miles on Sunday and do extra family activities, it allowed me to put on two days back to back with solid efforts of solo rides. So far it seems like it delivers on what’s promised. Not sold on taste but as long as it works that’s not a problem.

### ⭐⭐⭐⭐ Excellent, Effective Mix, but not price sustainable
*by K***R on August 29, 2025*

Significantly improved the restfulness of sleep and I did note a significant increase in my post-workout recovery/minimization of DOMS. But, I did notice that my sleep was way better and a noticeable effect as I do have harsh, sharp wake-ups when the morning Cortisol hits. I actually was able to laze in bed, fall back to sleep if I wanted, and sleep past my annoying early waking hours from the work week on the weekend. It's just a shame this mix is so expensive just for 3 packs... only complaint.

## Frequently Bought Together

- KA EX - Cortisol Stress Reducer | Post-Workout Recovery Gamechanger | Clinically Tested and Trusted by Thousands of Pro Athletes | Swiss Science I Vegan
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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-03-05*