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What is N-Acetylcysteine NAC?

Category: Supplements

Most popular types: GNC N-Acetyl Cysteine ACC 600 Fluimucil Show all

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See also: Acetylcysteine R+ lipoic acid and NAC SR

N-acetyl cysteine (NAC) is an altered form of the amino acid cysteine, which is commonly found in food and synthesized by the body. It is used as a mucolytic, any agent that dissolves thick mucus, to correct abnormally low glutathione levels, and for paracetamol/acetaminophen overdoses.

See patients taking N-Acetylcysteine NAC

Reported purpose & perceived effectiveness
Purpose Patients Evaluations Perceived Effectiveness
Idiopathic pulmonary fibrosis 996 46
Amyotrophic lateral sclerosis 68 25
General health 44 15
Parkinson's disease 18 9
Support immune health 11 0

Show all 78 reasons taken

  • Major
  • Moderate
  • Slight
  • None
  • Can't tell
See all 1630 patients that have taken N-Acetylcysteine NAC

Side effects

Side effects as an overall problem

Side effects as an overall problem
Severity Evaluations Percentage
Severe 6
Moderate 2
Mild 8
None 120

Commonly reported side effects and conditions associated with N-Acetylcysteine NAC

Side effect Patients Percentage
Nausea 4
Acid reflux 1
Diarrhea 1
Dizziness 1
Drowsiness 1
Excessive gas 1

Show all 24 reported side effects

Why patients stopped taking N-Acetylcysteine NAC

Multiple reasons could be selected

Reason Patients Percentage
Other 36
Did not seem to work 33
Doctor's advice 25
Side effects too severe 12
Course of treatment ended 10
Expense 10
Personal research 8
See all 107 patients who've stopped taking N-Acetylcysteine NAC

Duration

Stopped taking N-Acetylcysteine NAC

Duration Patients Percentage
Less than 1 month 13
1 - 6 months 22
6 months - 1 year 24
1 - 2 years 22
2 - 5 years 18
5 - 10 years 5
Adherence
Adherence Evaluations Percentage
Always 96
Usually 21
Sometimes 9
Never taken as prescribed 10
Burden
Burden Evaluations Percentage
Very hard to take 1
Somewhat hard to take 7
A little hard to take 24
Not at all hard to take 104
Cost per month
Cost per month Evaluations Percentage
$200+ 0
$100-199 1
$50-99 3
$25-49 19
< $25 51
Not specified 62

What people switch to and from

Patients started taking N-Acetylcysteine NAC after stopping:

Treatment Patients Percentage
Dornase alfa (Pulmozyme) 1

Patients stopped taking N-Acetylcysteine NAC and switched to:

Treatment Patients Percentage
Hypertonic Saline (MucoClear) 1
Last updated:

16 patient evaluations for N-Acetylcysteine NAC

Sort by: Most recent

Dec 2, 2016 (Started Nov 12, 2016)

  • Effectiveness
    None (for myalgic encephalomyelitis/chronic fatigue syndrome)
  • Side effects
    Severe (overwhelming fatigue, sleepiness)
  • Adherence
    Always
  • Burden
    Not at all hard to take
Dosage: 600 mg Daily
Advice & Tips: Pellentesque habitant morbi tristique senectus et netus et malesuada fames ac turpis egestas. Phasellus faucibus turpis sed mi maximus mattis.
  • 0 helpful marks

Jun 19, 2016 (Started Nov 15, 2015)

  • Effectiveness
    Can't tell (for amyotrophic lateral sclerosis)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    A little hard to take
Dosage: 600 mg Twice daily
  • 0 helpful marks

Nov 1, 2015 (Started Jun 01, 2008)

  • Effectiveness
    None (for Parkinson's disease)
  • Effectiveness
    None (for Support brain health)
  • Side effects
    None
  • Adherence
    Usually
  • Burden
    Not at all hard to take
Dosage: 500 mg Daily
Cost: < $25 monthly

Feb 15, 2012 (Started Jun 01, 2008)

  • Effectiveness
    Can't tell (for Neuroprotection)
  • Side effects
    None
  • Adherence
    Always
  • Burden
    A little hard to take
Dosage: 600 mg Daily
Cost: < $25 monthly
  • 0 helpful marks
Last updated:
Showing 3 of 16 patient evaluations for N-Acetylcysteine NAC