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Zealous Health, QUERZIN, Antiviral tablet, cold, viral fever medicine

(25 customer reviews)


Antiviral herbal medicine, Active Zinc from Yasad Bhasma, Zinc Ionophore, RNA dependent RNA polymerase (RdRp) inhibitor.


In the present pandemic corona (Covid 19) situation as there is no specific drug recommended, many individual drugs & combination of drugs have been tried and tested. But in the war against Corona, a ray of hope in the global medical treatment is Zinc Ionophore with Zinc as there are quite a good number of doctors tried and still trying with a positive feedback.

HCQ role in Corona viral treatment is as a Zinc IONOPHORE.  Whereas Zinc as a mineral can’t directly enter in the cell, hence HCQ (as Zinc Ionophore) carries the Zinc ion in to the cell. REMDESIVIR helps to stop viral multiplication. Zinc is a strong RNA dependent RNA polymerase (RdRp) inhibitor which suppress viral RNA multiplication.

But HCQ has its own limitations in its usage because of the side effects like QT prolongation based cardiac toxicity, Nausea, vomiting, blurred vision or other vision change, Chest discomfort, pain, or tightness. Decreased urination. Defective color vision. Difficulty in breathing.

QUERZIN is an Ideal Natural alternative to REMDESIVIR but with the same mode of action as Zinc  ionophore. Active Zinc from YASAD BHASMA and selected herbs like Camella sinensis  extracts, Vitis vinefera extract provide antiviral property as well as boost our immune system very effectively which help to build immunity and contribute to herd immunity.


Viral infection, dry cough, viral fever, breathing problems due to viral infection. poor breathing, dry cough, respiratory problems due to viral infection, seasonal flu, flu like symptoms.


Prophylaxis: 1 tablets daily

Asymptomatic positive: 1 tablets twice daily

Mild to moderate positive: 1 tablet thrice daily

OR as directed by healthcare professionals.

Key Ingredients

YASAD BHASMA, Green tea extract, Grape seed extract, Phospholipids from Sunflower and Soy oil and permitted Excipients


Safe to use for children and adults. No side effects and allergies.


QUERZIN is a unique combination of ancient Yasad Bhasma and selected herbs which provide antiviral defence in our body and does not allow virus to multiply in our cells. QUERZIN also build our immunity against viral infection.
Formulation is designed to protect from viral infection as well as build immunity to fight infection. Unique combination of Bhasma and herbs provide not only stop virus to multiply but also boost immunity to fight viral infection. It is modern research based product which is developed from our ancient Ayurvedic knowledge.
QUERZIN is safe to use. It is 100% herbal and provides benefits of ancient Ayurveda and helps to fight against viral infection.
As a prophylactic 1 tab daily FOR 5 days. In asymptomatic positive cases 1 tab BID FOR 5 to 7 days. In mild to moderate positive cases 1 tab TID for 7 to 14 days. For patients who are suffering with symptoms like difficulty in breathing with chest infections 1 tab TID along with other medications for 14 to 21 days or as advised by the Physician.
People with COVID-19 generally develop signs and symptoms, including mild respiratory symptoms and fever, on an average of 5-6 days after infection (mean incubation period 5-6 days, range 1-14 days). Most people infected with COVID-19 virus have mild disease and recover.
Most people infected with the COVID-19 virus will experience mild to moderate respiratory illness and recover without requiring special treatment. Older people and those with underlying medical problems like cardiovascular disease, diabetes, chronic respiratory disease, and cancer are more likely to develop serious illness.
People of all ages can be infected by the new coronavirus (2019-nCoV). Older people, and people with pre-existing medical conditions (such as asthma, diabetes, and heart disease) appear to be more vulnerable to becoming severely ill with the virus.
The new coronavirus is a respiratory virus which spreads primarily through droplets generated when an infected person coughs or sneezes, or through droplets of saliva or discharge from the nose. QUERZIN also prevents pandemic virus spread in this present situation by improving herd immunity of our society.

25 reviews for Zealous Health, QUERZIN, Antiviral tablet, cold, viral fever medicine

  1. Anil Tiwari

    I am taking this medicine since 26 April. I take one tablet everyday in morning. I am confident I can be safe.

  2. Mukesh Parela

    I am happy to see antiviral product. I have stated taking from last week.

  3. Srinivas Rao

    Very scientific product. Good to get perfect medicine. I will take everyday.

  4. Madhu Mittal

    I feel good that I could make my employee safe from Corona. I ask all my employee to take tablet everyday.

  5. Swetha

    I got it and I want to see how good it is. It looks very attractive. I am OK to take this tablet.

  6. Savitri Shivkumar

    Really something is present. It is very scientific. I have started from today. I feel happy.

  7. Rekha

    Amazing product, I heard about this product from Facebook live webinar. I got this medicine in Hyderabad. I am feeling better now.

  8. Manojit Pathak

    Fantastic, I am taking everyday before going for work.

  9. Ojas Deswal

    I ordered this week and I got my second tablet bottle. Myself and my wife take every day. Three weeks, we are fine.

  10. Krishna Bihari

    Does it any side effect ? I am taking this medicine for more than three weeks.

    • Zealous Health

      It is safe to take longer time. No side effect as it is herbal. Please increase water intake. The formulation contains EGCG (from green tea) and it is known diuretics. You may feel some problems like headache, uneasiness in summer if water intake is less. Please drink at least 10 to 12 glass of water everyday.

  11. Ram Krishna

    Wow ! Amazing, something good in this pandemic. Great job Zealous. I am taking tablet for a month.

  12. Mohan Trizuvahi

    How long I need to take this medicine. I am taking more than a month. My family is fine and healthy.

    • Zealous Health

      It depends how much infected cases are present in your area. Please continue if you are nearby infected area. This medicine can be avoided if you are in non infected area.

  13. Prateek Sinha

    Wow ! I ordered this medicine second time. My family is happy to take one tablet a day for corona prevention.

  14. Suresh

    Great medicine, I am confident. My employee starts working when I said my company will provide this medicine. Thanks Zealous, I could bring back my employee to work without fear.

  15. Sekhar

    I have used for a month. It is good for my employee confidence. I want to buy in bulk. Please send me contact for bulk purchase.

    • Zealous Health

      Please contact us on WhatsApp 9705868032. We have tablets in strips also. We are supplying in bulk in a box of 10 X 10 tablet strips.

  16. Dinesh Tiwari

    It is helpful after opening of lock down. I am taking one tablet everyday. Thanks Zealous Health

  17. Ajay Makan

    It is good medicine, I purchased second time for my family

  18. Nitin Vohra

    I am using Querzin from 1 month. I ordered today for my family. Please let me know if you have bulk order discount.

    • Mohan Reddy Katari

      We have mentioned the discount details on our website.

  19. Deepak Arora

    My whole family is Corona positive. All of us taking Querzin. We are OK after three days. Thanks for Querzin. Feel happy to use tablets.

  20. Murari

    Good medicine, I recovered from Corona positive report. On day four after taking medicine, I am fine and healthy.

  21. Lalan Mishra

    Great medicine ! My family is taking since 1st July. We feel healthy. Thanks Querzin.

  22. aaaa.sumit

    In the times COVID19, was looking for something which can counter virus effect, without having side effect or basically ayurvedic medicines.
    One of my friend suggested me this with couple of scientific evidences and their effectiveness of ingredients on virus effect on body. Was very much convinced after seeing all the videos and working of coronavirus and how it impact our body.
    Now coming to point where how to prove its effectiveness.. well till now i have remained safe and sound?. despite traveling for work, for grocery and veggies and all.
    I have suggested to many friend’s and family members and they remain safe and sound till now, who are using this medicine.
    Will suggest everyone to have it have on safety grounds and to protect yourself and your loved ones.. ??
    Safety is better than cure.

    • Rahul

      Thanks Sumit for nice comments. QUERZIN is tested in lab and quarantine centers for its effectiveness. It has given confidence for people when they go to job after opening lock down. It is amazing and safe to use for long time.

  23. Srinuvasulu

    My doctor wrote this medicine. Luckily I found online. My family is taking everyday. We all are OK.

  24. Anil Tiwari

    Very good medicine. I found my whole family is PCR negative after four days. I was positive last week and asked to do home quarantine. It is a need of people. I asked my neighbor to take this.

  25. Srinivas Tadala

    It is good for my company employee safety. I am using for more than 2 months. So far no COVID positive.

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