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Supplement Facts
Serving Size: 1 Capsule
Amount Per Serving
%DV
N-acetyl-L-cysteine
600 mg
**

The product is found useful for the following medical conditions

Bronchitis

SCIENTIFIC SCORE
Possibly Effective
Based on 3 Researches
7.3
USERS' SCORE
Good
Based on 51 Reviews
8.9
8
NAC enhances bronchitis management in COPD
The precision medicine strategy to treat COPD pulmonary traits in clinical practice: The role of N-acetylcysteine.
Most Relevant Research
We explored how N-acetylcysteine (NAC), a common mucolytic agent, plays a role in treating bronchitis associated with chronic obstructive pulmonary disease (COPD). This study focused on the treatable traits (TT) strategy, which aims to identify and manage specific traits of COPD that are clinically significant and manageable.

Our findings indicate that NAC is particularly valuable for patients experiencing a frequent productive cough, a common trait of bronchitis in COPD. Not only does it help reduce mucus buildup, but it also appears to have benefits for reducing airway inflammation and limitations in airflow.

Interestingly, the research highlights that NAC’s antioxidant and anti-inflammatory properties can support various symptoms linked to bronchitis. By adopting the TT strategy, including NAC in the treatment plan, we observed improvements in lung function and overall quality of life for patients, while minimizing unnecessary medication.

Thus, incorporating NAC into bronchitis management within the framework of personalized medicine shows promising potential to help patients manage their symptoms better and enhance their daily lives.
9.5
Effective bronchitis treatment
Most Useful Review
I was initially sceptical about the quality of Life Extension N-Acetyl-L-Cysteine (NAC) due to its lower price. However, I have found it very effective for treating bronchitis. Whenever I begin to cough or develop a cold, I start taking NAC, and it often prevents the bronchitis from worsening. It worked well for my latest cold, and I intend to keep using this brand because it’s effective and reasonably priced.

Common Cold

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 53 Reviews
8.9
9.5
Effective cold remedy
Most Useful Review
Excellent cold remedy! It's an absolute analogue of ACC, and while we have just 10 effervescent tablets, this product provides 60 capsules—a significant difference. Acetylcysteine serves as a mucolytic, expectorant, and antioxidant, effective for respiratory diseases involving viscous sputum. When I feel aches or start to get unwell, I take an ACC capsule at night. Be healthy!

Asthma

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 17 Reviews
8.7
9.5
Supports respiratory health
Most Useful Review
NAC is a powerful antioxidant that I used for my wife’s asthma. It aids in lung functions and reduces mucus thickness, supporting conditions like emphysema and bronchitis. While this product is high quality, I found that the small package lasts less than two months. The capsule is tasteless and beneficial for recovery.

Sinusitis

SCIENTIFIC SCORE
Moderately Effective
Based on 1 Researches
8
USERS' SCORE
Good
Based on 20 Reviews
8.6
8
NAC's role in sinusitis unclear
[Postviral rhinosinusitis, focus on pathogenetic therapy].
Most Relevant Research
We examined how n-acetyl-l-cysteine (NAC) might impact those suffering from sinusitis, especially following a viral infection. This condition, known as post-viral rhinosinusitis, can be tricky due to overlapping symptoms with bacterial sinusitis, making diagnosis challenging.

In our review of current literature, we found that while NAC is included in combined treatments for sinusitis, determining its standalone effectiveness is complex. The treatment typically involves other components as well, notably a vasoconstrictor, which complicates our ability to attribute success to NAC alone.

Our analysis led us to conclude that despite the potential benefits of using NAC for sinusitis due to its mucolytic properties, the isolated benefits remain unclear. More targeted research is necessary to truly understand the role of this compound in managing sinusitis effectively.
9.5
Effective for inflammation
Most Useful Review
Life Extension N-Acetyl-L-Cysteine is excellent without unnecessary fillers. NAC has impressive antioxidant and anti-inflammatory properties, aiding those with respiratory diseases and sinusitis. It can help reduce bacterial infections, and I experienced no side effects. This is a quality product.

Headache

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 15 Reviews
8.5
10
No hangover experience
Most Useful Review
Taking it with vitamin C and zinc has really helped me avoid hangovers. After trying various timings, I found that taking it before bed is most effective. I no longer experience headaches or that groggy feeling the next day. I'm grateful for this solution.

Allergies

SCIENTIFIC SCORE
No researches found
N/A
USERS' SCORE
Good
Based on 28 Reviews
8.3
8.8
Helps bronchial allergies
Most Useful Review
After a prolonged period with bronchial allergies, taking NAC reduced the frequency of my attacks, and I plan to continue using it.

Kidney Stones

SCIENTIFIC SCORE
Possibly Effective
Based on 4 Researches
7
USERS' SCORE
Good
Based on 5 Reviews
8.1
9
Cystine stone prevention with NAC
Cystine Renal Calculi: New Aspects Related to Their Formation and Development.
Most Relevant Research
We observed how n-acetyl-L-cysteine can impact the formation of cystine kidney stones. The study utilized crystallization experiments to mimic conditions similar to those in the kidneys. Cystine typically requires high supersaturation to crystallize, presenting a challenge since inhibitors, like n-acetyl-cysteine, tend to have reduced effects under such conditions.

Our findings highlighted that in the absence of crystallization inhibitors, crystallization begins within just 15 minutes. However, when n-acetyl-L-cysteine and other thiol agents like penicillamine and tiopronin were present, they completely blocked the crystallization process. Notably, n-acetyl-L-cysteine didn't just stop the formation of cystine crystals; it also altered their shape, which could play a vital role in how stones develop.

Moreover, we explored the structure of 30 cystine stones and found that they start from small crystals, continuously growing into larger structures depending on where they form in the kidney. The prevention of stone development hinges on keeping urinary cystine levels low, which n-acetyl-L-cysteine emerged as the most effective method among those tested. Increased hydration and physical activity further showed promise in helping remove cystine crystals and preventing stone formation.
9.5
Protects kidneys
Most Useful Review
This N-acetyl-L-cysteine (600 mg) from Life Extension is an effective antioxidant that protects my kidneys and liver from toxins. It also maintains respiratory health and supports the synthesis of intracellular glutathione, crucial for cellular processes. NAC is beneficial for both active and older individuals. I highly recommend this supplement.
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