A Perfect Pairing

Z-Stack + Zelenko

Save 25% when purchased as a Bundle

You already know and trust Z-Stack, which Dr. Zelenko created to allow people all across the globe to take control of their health without relying on the corrupting power of big pharma.

Now we're offering a special bonus for a very limited time.

When you buy Z-Stack, we will include Dr. Zelenko's book "Zelenko How to Decapitate the Serpent" at 25% Off. The ultimate roadmap on how to fight back.  

Dr. Zelenko's promise was to support and strengthen your immune system. Z-Stack – provides you the best fighting chance at building a more robust, resilient immune system.

Paired with Dr. Zelenko's book you've got the perfect pairing to rest and restore!

$64.99 Bundle

Z-Stack and Book
$64.99 – a 25% savings!

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Dr. Zelenko knew the importance of natural immunity.

Each product from Z-Stack was built from Dr. Zev Zelenko's critical research into natural immunity.

To this day, the same team which built Z-Stack continues Dr. Zelenko's legacy with uniquely-designed natural solutions to modern-day living.

About Z-Stack

Z-Stack was developed to strengthen your immune system – naturally.

Z-Stack is an all-in-one immune-boosting formula naturally designed by world-renowned researcher and scientist Dr. Vladimir Zelenko with four natural, powerful supplements in one easy capsule.

Explore the natural ingredients in Z-Stack


Quercetin reduces inflammation and helps to strengthen the immune system.

Vitamin C

Vitamin C is an essential nutrient for healthy immune system response, helping your body fight off illness-causing viruses and bacteria.

Vitamin D3

Vitamin D3 arms your body against viruses and bacterial infections.


Zinc helps the body activate your immune system.

Z-Stack® was formulated by renowned scientist and family medicine Dr. Vladimir Zelenko – who focused on how to naturally build a strong immune system to protect against bacteria, viruses, toxins and other potentially harmful elements.

Z-Stack Dr. Zelenko Vitamin Dietary Supplement Immune Support Supplements | Immune System Booster | Z-Stack®

Z-Book Bundle

Z-Stack and Book
$64.99 – a 25% Savings

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The Zelenko Way

Free shipping on all orders

All Zelenko products feature fast, free shipping on all orders because we know how important it is to stay healthy.

Quality guaranteed

Dr. Zelenko built his legacy on the same products that bear his name to this day. Zelenko Labs stands behind its products with a 100% satisfaction guarantee.

Kosher, vegan, and gluten-free.

Z-Sleep was forumulated to be safe, healthy, and taken by people from all walks of life.


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