5/4/2025
Last update
5/4/2025
Reviewed By
Overview
SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 9 Reviews
8.8
Supplement Facts
Serving Size: 1 Capsule
Amount Per Serving
%DV
Selenium (elemental) (from 5 mg L-Selenomethionine)
25 mcg
45%
N-Acetyl Cysteine (NAC)
600 mg
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Most Useful Reviews
10
Mood and energy boost
428 people found this helpful
THIS STUFF WORKS!! We both began taking it to prevent winter colds and for Seasonal Affective Disorder (SAD) prevalent in long, dark winters. We noticed a mood boost within just 2 days and felt more alert. We haven't had any colds, flu, or sinus infections this winter, when typically we'd have at least a couple of severe infections. I take 2 tablets in the morning with coffee for energy, especially before workouts. I've learned NAC is beneficial for many issues, including cold and flu prevention. I share this with my friends—it's effective!
10
Consistent cold prevention
19 people found this helpful
I haven't had a cold or flu since I started taking NAC. It's essential for boosting immune health. When I feel the onset of illness, I take one or two NAC, which has kept me healthy for years. This brand is cost-effective and I recommend it to my family. As a health educator, I see many with colds daily. NAC is a key reason I stay illness-free. I advise everyone to take it at the first sign of symptoms or when they notice others getting sick.
9
Effective cough reduction
227 people found this helpful
Excellent product at a great price. This works better to reduce cough and phlegm than any other product, including prescription drugs. A respiratory therapist recommended it. My husband, recovering from pneumonia, experienced immediate cough relief after starting this product. After just one day, he could sleep through the night without coughing! We’re sold on NAC and find it far cheaper on Amazon than health food stores.
User Reviews
USERS' SCORE
Good
Based on 9 Reviews
8.8
- All Reviews
- Positive Reviews
- Negative Reviews
10
Mood and energy boost
428 people found this helpful
THIS STUFF WORKS!! We both began taking it to prevent winter colds and for Seasonal Affective Disorder (SAD) prevalent in long, dark winters. We noticed a mood boost within just 2 days and felt more alert. We haven't had any colds, flu, or sinus infections this winter, when typically we'd have at least a couple of severe infections. I take 2 tablets in the morning with coffee for energy, especially before workouts. I've learned NAC is beneficial for many issues, including cold and flu prevention. I share this with my friends—it's effective!
10
Consistent cold prevention
19 people found this helpful
I haven't had a cold or flu since I started taking NAC. It's essential for boosting immune health. When I feel the onset of illness, I take one or two NAC, which has kept me healthy for years. This brand is cost-effective and I recommend it to my family. As a health educator, I see many with colds daily. NAC is a key reason I stay illness-free. I advise everyone to take it at the first sign of symptoms or when they notice others getting sick.
9
Effective cough reduction
227 people found this helpful
Excellent product at a great price. This works better to reduce cough and phlegm than any other product, including prescription drugs. A respiratory therapist recommended it. My husband, recovering from pneumonia, experienced immediate cough relief after starting this product. After just one day, he could sleep through the night without coughing! We’re sold on NAC and find it far cheaper on Amazon than health food stores.
7.5
Improved asthma control
39 people found this helpful
NAC is a Powerhouse Acetylated Amino Acid Supplement. It's effective at thinning mucous and has been used for serious lung conditions. I initially started taking it for its glutathione benefits, but have found it helpful for my chronic asthma, reducing my reliance on daily medications. I was at the point of taking three daily prescribed medications, and now simply use my rescue inhaler when needed, especially when exposed to colds from children. Long-term use may deplete copper and zinc levels, so consider supplementing with them, but it’s an excellent value.
9
Improved breathing
33 people found this helpful
I was thrilled to find NAC. I've suffered from sinus infections and allergies, resulting in bronchitis. This winter, I struggled with phlegm, hampering my activities. I found NAC online and took 2 pills for 6 days; it cleared my breathing and normalised my sinuses. My doctor approved its continued use as a preventative measure. I no longer breathe heavily after intense workouts. While it gives energy, I take one in the morning as it can disrupt sleep. I recommend NAC to friends with sinus and bronchitis issues from colds.
Frequently Asked Questions
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