'Make the Immune System Clean, Resilient, and Resistant.' You probably heard these lines. It is the tagline of Zelenko vitamins. The Ztacklife brand was established by one of the great researchers in the U.S.A. Mr. Dr. Vladimir Zelenko.

He devoted his whole life to investing in the best immune booster supplements. As we can understand, our poor diet, lack of sleep, and low immunity push us to fall sick in a heartbeat.

In addition, the covid situation has made our health even worse. Those who have already survived are suffering from different health issues. Also who are vaccinated suffer from numerous health issues.

Such as headaches, low immunity, dizziness, bone and joint pain, and many more. People are less healthy and more stressed. And therefore, everybody is looking for something that is all-natural and can help them to boost their energy and immunity so that they can enjoy their life all again.

Dr.Vladimir Zelenko has provided us with that significant supplement. His Zelenko protocol has given four excellent natural supplements that really work to boost our immunity and help us to back into life.

Dr. Vladimir Zelenko & His Famous Zelenko Protocol

Dr. Vladimir Zelenko

Dr. Vladimir Zelenko was born in Kyiv, in Soviet Ukraine, in 1973. He is an attentive Orthodox Jew with eight children. Dr. Zelenko graduated with a B.A. degree in Chemistry from Hofstra University.

After receiving an academic scholarship, he earned his M.D. degree in May 2000. In 2004 he started practicing family medicine in New York's Hudson Valley. His patients of covid 19 loved his treatment and behavior, and he had been described as a family member to thousands of families by his patients.

He was a Ukrainian-American family physician who was promoting the combination of three drugs, hydroxychloroquine, azithromycin, and zinc sulfate, as part of experimental outpatient treatment for COVID-19. It also has been proven to be effective against the mutated variants of covid from omicron to the recent Eris variant (E.G. 5.1).  Dr. Vladimir Zelenko successfully treated his critically ill patients of covid 19 using this combination of three drugs that he had promoted as the Zelenko Protocol in vitro study.

Dr. Zelenko also is the author of two books called Metamorphosis and Essence to Essence. This article is intended to discuss four super vitamin supplements of Zstacklife.

The Best Supplements Of Zstacklife

In this section, I will describe all the ins and outs of Best Zstack dietary supplements.

Z-Flu All-In-One Immune Booster

Z-Flu All-In-One Immune Booster

Z Flu vitamin is a gummy supplement that boosts your immune system. Your body will build a protective barrier against many influenza viruses, including Covid 19 and its variations, thanks to Z-potent Flu's formula.

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This is winter and flu season. The most common problem in winter is Flu. But why do we need to worry?

Dr. Zelenko has already introduced to us the best supplement that ensures our good health with his Immune Boosting Gummy Formula. It is mandatory to take essential Zinc so that our immune response can defend against any kind of germs or bacteria. After covid 19 situation, it is even more important to stay healthy and fit. For those who are vaccinated, this supplement will also help them as well.

When making the supplement Zstacklife team wanted to create something that not only provides immune support gummies but also wanted adds to the power of elderberry. Therefore they bring the immune support formula Z-Flu which has the highest concentration and four times more bioavailability of elderberry than other formulas.


  • Made in the U.S.A.
  • Scientifically formulated for the best and quick results.
  • Kosher Certified
  • G.M.P. Certified
  • Main Ingredients - Elderberry extract, Vitamin c, Vitamin D3, zinc ionophores, and Quercetin
  • Other Ingredients - Tapioca syrup, sugar, water, pectin, Natural flavor, Natural color, Sodium citrate, citric acid, lactic acid, and carnauba wax.
  • Suitable for anybody 12 years and above.
  • Vegan-friendly
  • Per day two gummies.
  • Gummies should be chewed before swallowing.


  • Not intended to treat in covid 19 symptoms or any other disease.

Features With Potential Benefits

Let's see why Z-flu is best for the Flu.

Elderberry Power

Elderberry and covid have special relation because elderberry is very much useful for flu treatment. It is an antioxidant that helps your body to function well.

  • Boost your energy and immune System
  • Reduce general flu symptoms
  • Can reduce inflammation
  • Also effective in reducing stress.

Super Vitamin C

For healthy immunity and overall energy, there is no substitute for Vitamin C.

  • Vitamin C works best in protecting tissue from infection
  • Supports your immunity from within
  • Helps to prevent Flu
  • Makes a fast recovery from illness
  • Energy booster

Strong Zinc

Those who conducted from covid 19 perhaps took the zinc tablet or zinc vitamin gummies for better recovery. Why do zinc ionophores so necessary? Because

  • Supports immune system fight off intruding bacteria and viruses
  • Our body uses Zinc to make D.N.A. and proteins
  • Helps in building new cells.

Unique Quercetin

This element is full of antioxidants. And has strong antiviral properties. Quercetin is one of the most abundant antioxidants found in our diet, and it has strong antiviral properties. It helps to prevent the acute respiratory syndrome.

When you take Zinc with Quercetin, your body will get potential benefits. Such as, Quercetin will push the Zinc into the center of the cell, where the Zinc can stop the virus from producing.

Sunshine Vitamin D3

Vitamin D3 is called the sunshine vitamin. That helps us to fight viruses and germs and makes our body fit and healthy. Vitamin D is essential for bone, joint, muscle health, and nerve functions, and for fighting with viral infections.

When adequate vitamin d levels absorbed by our body, we will have the stamina to fight all kinds of impurities.

So why are you waiting for? Place your order directly from the Zstacklife website. Check both websites, and you will get to know some real reviews about z stack vitamins.

Zelenko Z-DTox - Make Your Immune System Clean, Resilient, and Resistant

Zelenko Z-DTox

The greatest product for strengthening immunity is Z-Dtox multivitamin. With his extensive expertise and years of experience, Dr. Zelenko developed Z-Dtox multivitamin supplements.

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Yes, we survived from covid 19 outbreak. But our health and immunity are still fighting after the covid attack. Viral infections are still making our people sick.

But how? We often face some health hazards after taking the covid vaccine. Maybe we feel unnecessarily tired and don't feel like doing any work.

Sometimes suffering from headaches and muscle and bone pain. Even we feel so dizzy that we have to take a break from our work. But it should be tackled with great care.

Dr. Zelenko and his z-stack protocol have invented a revolutionary multivitamin dose that helps us to fight against these physical hurdles. Let's find out what z-stack Z-Dtox has inside to offer us.


  • Improves overall health
  • Resiliency and resistance of the immune System.
  • Boost immunity to fight against Covid-19, Delts, and Omicron after the reaction.
  • Suitable for everybody
  • Natural pure ingredients
  • Make a strong defense system of the body against germs and viruses
  • Kosher Certified
  • Made in the USA
  • GMP Certified
  • Included N.A.C., which world best for reducing blood clots
  • Vegan-friendly
  • The main ingredients are - Vitamin C, Vitamin D3, Zinc, N.A.C., E.G.C.G., and Vegetable Capsules.
  • Take two capsules with a meal.


  • Should not exceed the recommended doses to avoid adverse effects.

Features With Benefits

Dr. Zelenko created Z-Dtox and z stack vitamin supplements with his utmost knowledge and years of experience.

The key benefits of z-Dtox are given below:

Supports To Deal With Anti-Covid-19 Symptoms

Z-Dtox vitamin's anti-Covid-19 formula is produced with decades of experience and advanced research, and its formula works best to boost the immune system of the human body. The Z Stack protocol supplements work to enhance nutrition and metabolism.

When you take these supplements, it operates rapidly to break down all the toxins in the body. Consumers will notice differences immediately and experience positive results.

Positive Effects Of N-acetyl Cysteine (N.A.C.)

Z-Dtox vitamin has N-acetyl Cysteine (N.A.C.), which helps to prevent blood clots. It also helps in regulating glutamate. These functions may assist in improving brain health.

Not only that, but it also helps to break up mucus in people with some lung diseases. This supplement can help to protect the liver.

Boost the Immune System And Metabolism With zinc sulfate & Vitamin C:

Zinc sulfate helps our immune system and metabolism. zinc is also important in increasing the sense of taste and smell. Especially with covid, people often lose their sense of taste and smell.

Vitamin C, which is an antioxidant, helps to protect our cells against the effects of free radicals. Vitamin C is most important in healing the covid attack.

Z-Dtox has Vitamin C with Zinc that functions well in our body to recover our natural immunity. People often take zinc and vitamin c tablets to boost their immunity. In this case, Z-Dtox has the benefits of Zinc and Vitamin c altogether.

Where To Buy?

You might be wondering where you can order this magnificent immune support dietary supplement. Well, you may find this in many third-party stores, but I would suggest you buy this on the official website of zstacklife.com.

Also, you can purchase them from the viralproductsexchange website. They are the official affiliate franchiser of z stack vitamins.



Dr. Zelenko's most amazing immune system-strengthening supplement and vitamin, Zstack, is effective against all viruses, particularly Covid 19, Delta, and Omicron types.

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This is one of the most popular supplements, and people get benefits from this vitamin supplement more than other supplements. Especially those who prefer vitamin d supplements are choosing Z-stack instead of different vitamin d supplements found in the market.

It has the perfect blending of Zinc ionophore, vitamin c, and vitamin D3. The adequate vitamin d levels in this mixture make this product extraordinary. Many other popular vitamin d supplements in the market don't contain these range of nutrients.

After different advanced clinical studies, this has been proved that this supplement can help you to recover quickly after a covid attack. Moreover, this can be super helpful when you get vaccinated and suffer from some adverse effects.

Many people take higher doses of Zinc and vitamin D, assuming that higher doses may help them to recover quickly or boost their immunity. But it is not like taking a high dose of intravenous vitamin can help in fighting coronavirus infections.

Zinc ionophore needs to take an adequate level or significant amount. These potential vitamins have a protective effect against coronavirus infections.


  • Promotes better immune health
  • Made in the USA
  • A clinically proven formula for best results
  • Encourages natural defenses.
  • Kosher Certified
  • G.M.P. Certified
  • Clean, resilient, and resistant
  • Immunity boost shot.
  • Help preventing respiratory infections.
  • Vegetarian-friendly
  • Super life formula for immune-boosting.
  • All-natural components.
  • Take two capsules in a day with a meal.
  • The main Ingredients are Vitamin c (Ascorbic acid), Vitamin D3 (Cholecalciferol 5000IU), and Zinc (Zinc sulfate)
  • Other ingredients are Hypromellose capsules as vegetable capsules.


  • There are no registered adverse effects of the Z-Stack formula. But while taking the vitamin, one should be in mind that overdose may create health issues.

Take professional medical advice if you are under any medication.

Features With Benefits

The key benefits of Z-stack vitamins are given below:

Zinc Benefits

Zinc is essential for the growth of immune cells. Our body needs Zinc for a variety of enzymes.

Even though the body only needs minute amounts of Zinc, nearly 100 enzymes rely on it to perform important chemical reactions. It helps our DNA production and cell expansion. It is also necessary for repairing damaged tissue and maintaining a strong immune system, and preventing respiratory infections.

Antioxidant Activity Of Intravenous Vitamin C

Vitamin C, another name Ascorbic Acid. It serves various crucial purposes. Intravenous vitamin c Vitamin C assists in cell defense and health maintenance, preserving healthy skin, blood vessels, bones, and cartilage. Also helps in the healing of wounds.

It is the most necessary nutrient that benefits tissue healing and the enzymatic production of a few neurotransmitters.

Where To Buy?

So, if you want to avoid going to the intensive care unit by falling devastated sick, order these Z-stack vitamins right away from zstacklife.com or from the viralproductsexchange website page.

Kids Z-Stack

Kids Z-Stack

Kids Z-Stack Gummies is a special formulation created by Dr. Zelenko for children. The numerous ingredients in these vitamin gummies strengthen kids' immune systems.

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Kids immunity vitamins are popular nowadays. It has become ubiquitous that children fall sick with the Flu very frequently. Maybe it is post covid effect.

But our children are suffering. They have to miss their school and studies and so on. So what should be done? Dr. Zelenko has invented the perfect solution for our kid's immunity.

The Kids Z-stack has high-dose vitamin and all other potential benefits to ensure that our kids won't turn severe cases of medical issues.

In the below, you will get to know about some quick pros of Kids Z-stack


  • Made in the U.S.A.
  • Immune booster gummies.
  • Clinically formulated for best results.
  • Kosher Certified
  • G.M.P. Certified
  • Non- G.M.O.
  • Gluten-free
  • Vegetarian-friendly
  • Main elements - Vitamin c, Zinc, and Vitamin D3
  • Other ingredients are purified water, pectin, pure cane sugar, corn syrup, citric acid, sodium citrate, Botter blocker, coconut oil, pineapple flavoring, and food color.

How To Take?

  • One gummy per day with a meal.
  • 6 to 8 years - 2 gummies
  • 9 to 18 years - 3 gummies in a day

Features With Benefits

The kids Z-stack is a super formula for kids. Let's see what they are:

Vitamin C Benefits

Vitamin c has Antimicrob agents that help the body to fight viruses and germs. It assists in constructing and repairing red blood cells, bones, and tissues. Moreover, it helps build strong the child's gums.

And children often fall into playing and make bruises. Regularly consuming this vitamin will help them to fight against those germs that build bruises and also helps to heal the wound.

Zinc Tackles The Increased Risk Of Covid After Symptoms

Zinc is essential for children in this covid situation. They need to take an adequate amount of Zinc to grow and develop. The mineral is important for immune function, wound healing, and the senses of smell and taste.

If your child has recovered from covid, that daily intake of Kids Z-stack gummies will really help their immune system to reboot.

Where To Buy?

As I mentioned earlier, you can buy these supplements from zstacklife.com or from the viralexchange website page.

Zelenko z-shield vitamin

Zelenko Z-Shield Vitamin

Z-Shield formula helps to detox our bodies from harmful elements that can stay in our blood stream, by directly targeting dormant viruses. 

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Dr. Zev Zelenko z-shield is another phenomenon supplementing the invention of this Z Stack family. The continuous process of research has provided us with the new Zelenko z-shield vitamin.

Especially new Zelenko vitamin offers us protection from viruses and parasites. One of the most common issues found in the human body is the immune system can fight viruses. However, some germs and viruses may linger inside us for a long period of time. They didn’t seem to activate for quite a time, but after some time, they started to show many symptoms.

Z-shield by z-stack is the savior for us to protect our body from this hidden virus and germs.

The pros and cons of the new Zelenko vitamin are given below.


  • Intrinsic immune response to viral infections.
  • Supports in removing environmental toxins and pollutants.
  • Helps the liver to eliminate toxins from the body.
  • Strong anti-viral effects
  • Fight with viruses like Epstein-Barr virus (EBV), Varicella-Zoster virus (VZV), Herpes viruses (ex Shingles, Chicken Pox), and Cytomegaly virus (CMV)
  • Promote healing and repair of wounds
  • Kosher Certified
  • G.M.P. Certified
  • Non- G.M.O.
  • Gluten-free


  • Need to preorder as it is a new Zelenko z-shield vitamin supplement

Main Ingredients

Vitamin D3, Zinc, Lemon Balm Extract, St. john’s wort extract, N- Acetylcysteine, EGCG, Turmeric root extract.

How To Take?

Take three capsules per day with a meal.

Features With Benefits

The main key benefits of Zshield vitamin are given below:

Fight For Immunity

This z-shield by z-stack can act as a superpower for elder people in our houses. Many older people suffer from chronic infections that ruin their immune systems. When they get attacked by a common virus, it gets worse to tackle the situation. Therefore, taking new Zelenko z-shield vitamin will help them to remove those hidden viruses.


z-shield protocol is formulated to detox the body from harmful elements. These elements can stay and destroy our bloodstream. New Zelenko z-shield vitamin has lemon balm and turmeric that works against these bacterial and fungal infections.

Special Blend of St. John’s Wort

These compounds of z-shield vitamin work as strong anti-viral and anti-parasitic shield that promotes healing and repairs the wounds quicker. Not only that, it prompts releasing serotonin and noradrenaline for a relaxed mind and body.

Frequently Asked Questions

Question 1 - Is Zinc Healthy For Kids?

Answer 1 - Zinc is an essential mineral in the human body to boost immunity and bone density. Children need more vitamins and minerals. And Zinc is one of them.

It helps the kid every day to fuel their normal development and maturation. In fact, zinc benefits in many ways by supporting a variety of key functions. Such as cell growth, immunity, and wound healing.

Question 2 - Does Zinc Help With Growth?

Answer 2 - Yes, it is helpful in growth. It is a significant player in the composition of D.N.A., the growth of cells, making proteins, and the healing of damaged tissue. It supports a healthy immune system.

It helps cells to grow and reproduce. An adequate amount of Zinc is required during rapid growth, such as during childhood and pregnancy.

Question 3 - What Happens If Zinc Is Taken Every Day?

Answer 3- Zinc is usually taken for the time being. When falling sick or suffering from zinc deficiency, only then should one take zinc tablets or supplements. It is safe when taken in larger doses, especially when used for the time being.

But taking doses higher than 40 mg on a regular basis may harm your body. Taking very high doses of Zinc has sometimes proven to be unsafe and might cause stomach pain and vomiting.

Question 4 - Can Z-Stack Treat Covid 19?

Answer 4 - Dr. Zelenko was using Zstacklife to treat and prevent many diseases, as well as Covid 19, during his long years of practice. But please note that Zstacklife supplements or vitamins are evaluated by the food and drug administration (F.D.A.) for treatment or prevention of COVID-19 from variants omicron to Eris.

It is not meant to treat any kind of disease. Please consult with your doctor before taking these supplements or medicine. Moreover, if you are pregnant or under any medication, then it is highly recommended to seek advice from the doctor before taking any supplements.

Question 5 - What Are The Signs You Need Vitamin D?

Answer 5- Your body will show signs when you are at increased risk of Vitamin D deficiency. The symptoms are:

  • Fatigue.
  • Sleepless night.
  • Bone pain or joint pain.
  • Depression & feelings of sadness.
  • Hair loss.
  • Muscle weakness.
  • Loss of appetite.
  • Getting sick more easily and frequently.

When you experience these symptoms, you should think about taking vitamin d supplementation.

Question 6- What Are The Side Effects Of Vitamin C?

Answer 6: Though there are no significant side effects of taking vitamin c, there are some people who might face some side effects if they take higher doses of vitamin C such as stomach pain, nausea, heartburn, and headache. Taking more than 2000 mg at a time daily is perhaps unsafe and may cause kidney stones or severe diarrhea.

Question 7 - How does Vitamin C Support The Immunity Of Kids?

Answer - 7 Vitamin C is the antioxidant that helps the immunity of kids. Without the proper balance of vitamin c, your kid may suffer from various health issues. They might especially face skin problems. Vitamin C has numerous health benefits for kids.

  • Vitamin C supports Healthy Bone Growth.
  • Vitamin C makes the skin glowing and smooth.
  • Vitamin C helps in iron absorption.
  • Vitamin C boosts immunity.
  • Vitamin C defends the Nervous System.

Question 9: What Is The Delivery Charge Within The U.S.A. For Zstacklife products?

Answer 9 - Here is the surprise. If you buy any product of Zstacklife products from the U.S.A., then you don't need to pay any delivery charge. It is free within the U.S.A.

Question 10: Can Pregnant Women Take The Supplement Of Zstacklife?

Answer 10: No, it is not recommended to take any kind of supplement for pregnant and lactating women unless the doctor advises.

Question 11: What is Quercitin?

Answer 11: Quercetin is a zinc ionophore. It is known for its antiviral activity, antioxidant activity, and many more. Nobel Prize winner Albert Szent-Gyorgyi discovered Quercetin.

Quercetin has many great health-promoting advantages. Many clinical trials have found evidence that Quercetin has lots of health benefits. The potential benefits of Quercetin are the capability to help reduce inflammation and improve the body's immune System.


With decades of medical knowledge and experience, Dr. Zelenko built Zelenko Labs L.L.C., where he produced some exclusive products. Those mainly support the body's defenses.

The problem with many vitamin supplements on the market is that they don't have the number of active ingredients that need to help our body function at its highest level. Zstack vitamins do because the patented technology of Dr. Zelenko has included great research and knowledge.