Overview

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 31 Reviews
8.2
Supplement Facts
Serving Size:   2 Veg Capsules
Amount Per Serving
%DV
Quercetin
800 mg
**
Bromelain (2,400 GDU/g)
165 mg
**

Most Useful Reviews

9
Quick effect
10 people found this helpful
Quartztin was prescribed by my doctor for my two-month battle with whooping cough. It worked quickly; within two days, I was sleeping soundly and my cough had vanished completely in a week. I even started giving it to my daughter, and by day three, her cough was gone too.
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10
Effective for allergies
7 people found this helpful
I bought this product after seeing Dr. Berg on YouTube, hoping it would ease my whooping cough due to allergens. Miraculously, within two days my wheezing was gone, and after a month, my cough vanished completely. It's more effective than any prescription I’ve tried.
Read More
9
Allergy symptoms reduced
7 people found this helpful
After suffering from allergies for four years with no relief, I reluctantly tried quercetin. To my surprise, it worked! The effects are cumulative; my whooping cough and symptoms have significantly diminished over time. I recommend giving it a go!
Read More

User Reviews

USERS' SCORE
Good
Based on 31 Reviews
8.2
  • All Reviews
  • Positive Reviews
  • Negative Reviews
9
Quick effect
10 people found this helpful
Quartztin was prescribed by my doctor for my two-month battle with whooping cough. It worked quickly; within two days, I was sleeping soundly and my cough had vanished completely in a week. I even started giving it to my daughter, and by day three, her cough was gone too.
Read More
10
Effective for allergies
7 people found this helpful
I bought this product after seeing Dr. Berg on YouTube, hoping it would ease my whooping cough due to allergens. Miraculously, within two days my wheezing was gone, and after a month, my cough vanished completely. It's more effective than any prescription I’ve tried.
Read More
9
Allergy symptoms reduced
7 people found this helpful
After suffering from allergies for four years with no relief, I reluctantly tried quercetin. To my surprise, it worked! The effects are cumulative; my whooping cough and symptoms have significantly diminished over time. I recommend giving it a go!
Read More
10
Better than syrup
6 people found this helpful
I ordered this supplement after my daughter suffered from persistent whooping cough. Traditional remedies helped temporarily, but after starting this, she felt better and eventually overcame the cough. It's far better than the usual cough mixtures that cause drowsiness.
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9
Safe and efficient
5 people found this helpful
After three years of searching for a safe solution for whooping cough and respiratory issues from flu and COVID, I found this product to be effective. It actually works and helps reduce inflammation with added bromelain.
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Frequently Asked Questions

9
Quick effect
10 people found this helpful
Quartztin was prescribed by my doctor for my two-month battle with whooping cough. It worked quickly; within two days, I was sleeping soundly and my cough had vanished completely in a week. I even started giving it to my daughter, and by day three, her cough was gone too.
10
Effective for allergies
7 people found this helpful
I bought this product after seeing Dr. Berg on YouTube, hoping it would ease my whooping cough due to allergens. Miraculously, within two days my wheezing was gone, and after a month, my cough vanished completely. It's more effective than any prescription I’ve tried.
9
Allergy symptoms reduced
7 people found this helpful
After suffering from allergies for four years with no relief, I reluctantly tried quercetin. To my surprise, it worked! The effects are cumulative; my whooping cough and symptoms have significantly diminished over time. I recommend giving it a go!
7.5
Preventive measure
6 people found this helpful
I’ve been taking quercetin for asthma and whooping cough prevention. If I forget to take it, my cough returns, indicating its effectiveness. I started this routine in spring and continue it due to the increasing price. I recommend it for anyone with similar issues.
9
Nasal backflow relief
3 people found this helpful
After finishing a bottle, I woke up feeling relieved from nasal backflow with significantly less phlegm production and coughing. This is an excellent natural antihistamine, needing no medication. I highly recommend it.
7.5
Reduced cough
5 people found this helpful
Since I started taking quercetin for my year-round allergies, I've experienced far less coughing and stuffiness. It’s become an essential supplement alongside my other allergy medications.
9
Effective remedy
1 people found this helpful
The combination of Quercetin and Bromelain works wonders against the cold. When I develop a cold, I suffer from fluid accumulation in my lungs, leading to coughing. This is the only remedy I’ve found that clears the fluids, providing relief in just hours.
7.5
Reduces phlegm
2 people found this helpful
Taking quercetin with zinc nightly has boosted my respiratory function and helped relieve the phlegm irritating my throat, a frequent problem with whooping cough. It’s value for money and I’ve relied on it for my immunity during the pandemic.
7.5
Cough relief
34 people found this helpful
After four weeks of whooping cough, I decided to try quercetin and NAC at different intervals. To my surprise, on the third day, my cough began to subside! I never expected such relief from a drug I'd initially set aside. It also seems beneficial for seasonal allergies.
6
Quick recovery
2 people found this helpful
The bottle size and quality of quercetin are impressive. After my husband developed sinus issues and a cough, I increased the dosage to twice a day and he recovered quickly from the whooping cough symptoms.
9
Stops cold symptoms
2 people found this helpful
At the first signs of a cold, I take a capsule twice daily. This has helped me avoid falling ill and stopped my whooping cough symptoms swiftly. Recently, it helped a friend's son recover in just two days.
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