ZARVEX is a performance-focused store specializing in leg strength gear and lung training tools. Instead of selling every fitness product, we carefully curate equipment that helps you move stronger, breathe deeper, and perform better.

Our gear is designed for

• Runners and athletes who want stronger legs and better breathing

• Lifters who care about power, stability, and endurance

• Weekend athletes who still take their training seriously

• Beginners who want simple, effective tools without the confusion

You don’t need to be a pro. You just need the desire to improve.

Our breathing trainer uses adjustable resistance to make inhaling and exhaling slightly harder. Over time, this helps strengthen your respiratory muscles, improve lung capacity, and support better cardio performance.

For healthy users, it’s generally safe when used as directed.
However, if you have any heart, lung, or respiratory condition (asthma, COPD, etc.), please talk to your doctor before using any breathing device.

Yes. Many of our products include beginner-friendly settings and can be added to your existing routine without complex setups. We always recommend:

• Starting with the lowest resistance

• Focusing on proper form

• Increasing intensity gradually

If you’re unsure, start light and listen to your body.

Think in terms of legs vs. lungs:

• Want more speed, power, or stability? → Look at our Leg Performance Gear.

• Want better breathing, stamina, or cardio capacity? → Check our Lung Performance Gear.

• Want a simple, focused setup? → Our Legs & Lungs Kits combine key tools that work well together.

Each product page includes a “Best for” section to help you match the gear to your training goals.

We currently ship to most major countries, including the United States and Canada.

Estimated delivery times:

• USA & Canada: usually 7–21 business days

• Other countries: typically 10–25 business days, depending on location and local carriers

These are estimates only. Holidays, customs, or carrier delays can sometimes extend delivery times. You’ll receive a tracking number as soon as your order ships.

Shipping costs are calculated at checkout based on your location and the products in your cart. In many cases, we’re able to offer discounted or free shipping on selected items or cart values. Any available offer will be clearly displayed at checkout.

We offer a 30-day return policy from the day you receive your order.

To be eligible for a return, items must be:

• Unused and in the same condition you received them

• In the original packaging

• Accompanied by a receipt or proof of purchase

To start a return, contact us at yhjjo219@gmail.com and we’ll provide the return instructions and return address. Please do not send any items back without contacting us first.

Please inspect your order as soon as it arrives.
If your item is damaged, defective, or incorrect, email us at yhjjo219@gmail.com with:

• Your order number

• A short description of the issue

• Clear photos of the product and packaging

We’ll review the case and work to replace, refund, or resolve the problem as quickly as possible.

The fastest way to get the item you want is to

1. Request a return for the item you have, and

2. Place a new order for the replacement item once your return is approved.

In some situations we may offer direct exchanges, but this depends on stock availability.

Many of our products come with a standard manufacturer warranty against defects in materials and workmanship. Warranty coverage may vary by product. If you believe your item has a defect, contact us with your order details and photos, and we’ll help you with the next steps.

If you have any existing injury, joint issues, heart or lung condition, or you are under medical care, you should always check with your doctor or physical therapist before using new training equipment—especially breathing devices or weighted gear.

ZARVEX products are not medical devices and are not intended to diagnose, treat, or cure any condition.

For questions about orders, products, or returns, you can reach us at:
📧 yhjjo219@gmail.com

We aim to respond as quickly as possible on business days.