After years of independent clinical research by Dr. Zev Zelenko, the original Z-Stack is formulated to contain the top 4 most powerful, natural immune support supplements – all in one small capsule.

Z-Stack's science-backed formulation was based on Dr. Zelenko's extensive immune research, which has been widely credited with saving tens of thousands of lives during the pandemic. Z-Stack was first to market, too, and is made with the highest quality standards.

Daily Z-Stack may help your immune system stay at optimal performance to fight off common viruses.

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Members save 15%

Members save 15%

Subscribe and save 10% on your monthly supply.

Why subscribe? Save money, keep your body healthy, and never worry about running out of Z-Stack Formula – with a fresh bottle shipped once a month.


Vitamin C is an essential nutrient which may support a healthy immune system response, and may help enhance your upper respiratory system.

Vitamin D3 may helps your body absorb essential nutrients.

Zinc is known to be a natural, effective anti-viral agents and may play a role in immune health.

Quercetin may enable zinc to enter the cell and disrupt viral reproduction.

Every vitamin in Z-Stack™ has a purpose and was formulated with your immune system in mind.

Questions about Z-Stack Formula?
Email us with questions.

Dr. Zelenko discusses the importance of Zinc Ionophores

The science behind
Dr. Zelenko's original Z-Stack Formula

Learn more about how science - not political science – guides our recommendations.

Meet Our Chief Medical Board

The Chief Medical Board are the architects of health and wellness: by seamlessly blending allopathic and naturopathic solutions, we are building a roadmap for health and wellness that frees people everywhere from the sickcare model that Big Pharma promotes.

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These statements have not been evaluated by the Food & Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Allergen Warning: This product is produced in an a facility that may also process ingredients containing milk, eggs, fish, shellfish, tree nuts, peanuts, wheat, and soybeans.

Intended for use by adults 18 years of age and over. Do not use if the seal under the cap is broken or missing. Please contact a healthcare practitioner or email before taking or using this supplement. Keep out of the reach of children.


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