Signature Series Z-Stack Formula by Dr. Zelenko

Boost your immune system with zinc and other essential vitamins.

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

Z-Stack's science-backed formulation boosts your immune system so that you can recharge your natural body's defense and healing abilities.

Each ingredient plays a vital role in keeping your immune system at its best.


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/ Members $54.99

Subscribe and save 5% 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 for healthy immune system response, helping enhance your upper respiratory system.

Vitamin D3 helps your body absorb essential nutrients.

Zinc helps the body activate immune system.

Quercetin helps to strengthen immune system.

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

Gluten Free



Made in the USA

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

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


The Wellness Company was born out of necessity. By unequivocally and unapologetically standing up for medical freedom and the right to affordable health care, our company’s vision champions the right to make personal health choices.

The Wellness Company strives to build a new health care system that earns people’s trust, is governed and operated with transparency, and offers the highest quality practitioners who align at their core with our fundamental belief - to put the patient first.

The fabric of this company has been woven together by its medical team and their devotion to the public. Their courage and bravery in the fight for medical freedom and truth will ensure improved health outcomes. It will also contribute to convenient access to physicians and lower healthcare costs for patients.

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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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