5/24/2025
Last update
5/24/2025
Reviewed By
Overview
SCIENTIFIC SCORE
Likely Very Effective
Based on 1 Research
9
USERS' SCORE
Good
Based on 60 Reviews
8.1
Supplement Facts
Serving Size: 1 Capsule
Amount Per Serving
%DV
N-acetyl-L-cysteine
600 mg
**
Top Medical Research Studies
9
We observed a fascinating case involving the use of N-acetylcysteine (NAC) to treat a young female patient who experienced acute liver injury during an influenza A infection. This situation raised a compelling question: Could NAC, typically known for addressing liver damage from acetaminophen, also provide benefits in other contexts?
Our findings highlighted that NAC is being explored for its potential effects on liver health during viral infections like influenza A. This is particularly intriguing given that the patient was facing impending liver failure, a serious complication often associated with such viral illnesses. By utilizing intravenous NAC, the patient showed a positive response.
Although the specific details of the study's methodology, such as control groups or blinding, were not provided, the outcome suggests promising effects of NAC in treating liver injury linked to viral infections. This case may pave the way for further research into NAC’s effectiveness for flu-related liver complications.
Our findings highlighted that NAC is being explored for its potential effects on liver health during viral infections like influenza A. This is particularly intriguing given that the patient was facing impending liver failure, a serious complication often associated with such viral illnesses. By utilizing intravenous NAC, the patient showed a positive response.
Although the specific details of the study's methodology, such as control groups or blinding, were not provided, the outcome suggests promising effects of NAC in treating liver injury linked to viral infections. This case may pave the way for further research into NAC’s effectiveness for flu-related liver complications.
Most Useful Reviews
9
Quick cold relief
27 people found this helpful
I bought this supplement to prepare for the cold and flu season and resorted to it sooner than expected when I caught my husband's cold. On 1/31, I started feeling ill and by the next day had congested sinuses and chest issues. I began taking a 600mg capsule twice daily, and by 2/5, I was back to work, feeling much better! Normally, colds linger, causing upper respiratory infections, but this product helped me recover quickly without needing antibiotics. This is a record for me!
9
Halves flu duration
10 people found this helpful
This product effectively reduces flu duration by half and even prevents flu if taken early enough.
7.5
Effective for flu
9 people found this helpful
I always keep NAC in my first aid kit. N-acetylcysteine (NAC) supports the central nervous system and is also a mucolytic, expectorant, and antioxidant. It's helpful for infectious diseases accompanied by viscous sputum, making it an effective remedy for flu and colds.
Medical Researches
SCIENTIFIC SCORE
Likely Very Effective
Based on 1 Research
9
- All Researches
9
We observed a fascinating case involving the use of N-acetylcysteine (NAC) to treat a young female patient who experienced acute liver injury during an influenza A infection. This situation raised a compelling question: Could NAC, typically known for addressing liver damage from acetaminophen, also provide benefits in other contexts?
Our findings highlighted that NAC is being explored for its potential effects on liver health during viral infections like influenza A. This is particularly intriguing given that the patient was facing impending liver failure, a serious complication often associated with such viral illnesses. By utilizing intravenous NAC, the patient showed a positive response.
Although the specific details of the study's methodology, such as control groups or blinding, were not provided, the outcome suggests promising effects of NAC in treating liver injury linked to viral infections. This case may pave the way for further research into NAC’s effectiveness for flu-related liver complications.
Our findings highlighted that NAC is being explored for its potential effects on liver health during viral infections like influenza A. This is particularly intriguing given that the patient was facing impending liver failure, a serious complication often associated with such viral illnesses. By utilizing intravenous NAC, the patient showed a positive response.
Although the specific details of the study's methodology, such as control groups or blinding, were not provided, the outcome suggests promising effects of NAC in treating liver injury linked to viral infections. This case may pave the way for further research into NAC’s effectiveness for flu-related liver complications.
User Reviews
USERS' SCORE
Good
Based on 60 Reviews
8.1
- All Reviews
- Positive Reviews
- Negative Reviews
9
Quick cold relief
27 people found this helpful
I bought this supplement to prepare for the cold and flu season and resorted to it sooner than expected when I caught my husband's cold. On 1/31, I started feeling ill and by the next day had congested sinuses and chest issues. I began taking a 600mg capsule twice daily, and by 2/5, I was back to work, feeling much better! Normally, colds linger, causing upper respiratory infections, but this product helped me recover quickly without needing antibiotics. This is a record for me!
9
Halves flu duration
10 people found this helpful
This product effectively reduces flu duration by half and even prevents flu if taken early enough.
7.5
Effective for flu
9 people found this helpful
I always keep NAC in my first aid kit. N-acetylcysteine (NAC) supports the central nervous system and is also a mucolytic, expectorant, and antioxidant. It's helpful for infectious diseases accompanied by viscous sputum, making it an effective remedy for flu and colds.
7.5
Clears mucus
7 people found this helpful
The most noticeable effect of taking NAC for me has been its ability to clear mucus, especially during allergies. It also seems to lessen symptoms from cold and flu viruses. I'm impressed with the quality of ingredients and packaging. This has truly been a great supplement!
9
Family wellness
5 people found this helpful
An excellent product recommended by nutritionists to help with cold, flu, or covid. We took 2 capsules on an empty stomach along with NAC. Everyone’s lungs are clear without lasting effects from illness. My family was sick, and it clearly helped as our coughs have passed, but we also took other vitamins in high doses.
Frequently Asked Questions
9
Quick recovery
A real treasure for the buyer! I experienced its quick and effective action firsthand. While my entire department was sick with the flu for a week, I recovered in just three days without any lingering symptoms, thanks to this product. I highly recommend having it in your first aid kit!
9
Promotes recovery
1 people found this helpful
After battling the flu in December and COVID-19 in February, I decided to try this to boost my immune system. It has made a significant difference in my recovery! My persistent phlegmy cough disappeared shortly after starting this supplement. It contains high-quality ingredients, and the capsules are easy to swallow. I will definitely purchase again.
9
Family wellness
5 people found this helpful
An excellent product recommended by nutritionists to help with cold, flu, or covid. We took 2 capsules on an empty stomach along with NAC. Everyone’s lungs are clear without lasting effects from illness. My family was sick, and it clearly helped as our coughs have passed, but we also took other vitamins in high doses.
7.5
Clears mucus
7 people found this helpful
The most noticeable effect of taking NAC for me has been its ability to clear mucus, especially during allergies. It also seems to lessen symptoms from cold and flu viruses. I'm impressed with the quality of ingredients and packaging. This has truly been a great supplement!
7.5
Reduced flu severity
Great for the flu! I took it while feeling congested, and it helped reduce the severity of my symptoms 😊.
9
Useful remedy
1 people found this helpful
I always keep NAC at home as a first aid. N-acetylcysteine (NAC) supports the central nervous system, helping the myelin sheath surrounding the nerves. It is also a mucolytic, expectorant, and antioxidant agent, making it a very useful remedy for flu and colds. The flavour is neutral. When taking NAC, the label advises drinking 6 to 8 glasses of water daily.
7.5
Strengthens immunity
1 people found this helpful
I've been taking NAC with Selenium for a while, which has significantly boosted my immune system and respiratory health. I usually take 600mg daily and have noticed great benefits during cold and flu season, helping me stay healthy and breathe more easily. The quality is excellent, containing pure NAC and selenium without unnecessary additives.
9
Combat flu effectively
This product is essential for fighting cold and flu alongside Quercetin.
7.5
Effective during flu
1 people found this helpful
In combination with glutathione and quercetin, it’s effective in flu season. It noticeably supports breathing, and I'm pleased with it.
7.5
Effective for flu
9 people found this helpful
I always keep NAC in my first aid kit. N-acetylcysteine (NAC) supports the central nervous system and is also a mucolytic, expectorant, and antioxidant. It's helpful for infectious diseases accompanied by viscous sputum, making it an effective remedy for flu and colds.
9
Flu symptom reduction
I’m satisfied with my purchase of NAC, which I acquired for the first time. A study showed that taking 600 mg twice daily reduced flu symptoms and inflammation in the lungs.
9
We observed a fascinating case involving the use of N-acetylcysteine (NAC) to treat a young female patient who experienced acute liver injury during an influenza A infection. This situation raised a compelling question: Could NAC, typically known for addressing liver damage from acetaminophen, also provide benefits in other contexts?
Our findings highlighted that NAC is being explored for its potential effects on liver health during viral infections like influenza A. This is particularly intriguing given that the patient was facing impending liver failure, a serious complication often associated with such viral illnesses. By utilizing intravenous NAC, the patient showed a positive response.
Although the specific details of the study's methodology, such as control groups or blinding, were not provided, the outcome suggests promising effects of NAC in treating liver injury linked to viral infections. This case may pave the way for further research into NAC’s effectiveness for flu-related liver complications.
Our findings highlighted that NAC is being explored for its potential effects on liver health during viral infections like influenza A. This is particularly intriguing given that the patient was facing impending liver failure, a serious complication often associated with such viral illnesses. By utilizing intravenous NAC, the patient showed a positive response.
Although the specific details of the study's methodology, such as control groups or blinding, were not provided, the outcome suggests promising effects of NAC in treating liver injury linked to viral infections. This case may pave the way for further research into NAC’s effectiveness for flu-related liver complications.
References
- Jain E, Alex R, Coutinho T, Narula N. Utility of N-acetylcysteine in Non-Acetaminophen-Induced Liver Injury Secondary to Influenza A Infection. Cureus. 2024;16:e70900. 10.7759/cureus.70900
