The overall rating for n-acety-l-cysteine is 1.4 out of 3 meaning there is little if any evidence that this supplement does what it claims to do. Using this supplement will not lead to positive results.

Table of Contents

  1. Simple Report
  2. Detailed Report
  3. Overall Effectiveness Rating
  4. Research Rating
  5. Products Containing N-Acety-L-Cysteine
  6. Claim Ratings
  7. References

N-Acety-L-Cysteine Simple Report

  • Supplement: N-Acety-L-Cysteine
  • Supplement Category: non-essential amino acids
  • Number of Products Containing N-Acety-L-Cysteine: 33
  • Effectiveness Rating: 1.4 out of 3
  • Research Rating: 56 (above 80 indicates sufficient research)
  • Number of Studies: 8
  • Number of Claims: 5

N-Acety-L-Cysteine Detailed Report

Overall Effectiveness Rating

The overall effectiveness rating for n-acety-l-cysteine is 1.4 out of 3. This rating means there is little to no evidence to back the supplement's use. Using this supplement will not lead to positive results. Note, this effectiveness rating is for n-acety-l-cysteine as a whole; there are also individual ratings for the claims below.

Read more: What is the effectiveness rating?

Research Rating for N-Acety-L-Cysteine

There are 8 studies in the database on n-acety-l-cysteine; the research rating is 56. A score above 80 means the effectiveness rating for this supplement is reliable. A score under 80 means there is insufficient evidence to ensure a reliable effectiveness rating. Note, this research rating is for n-acety-l-cysteine as a whole; there are also individual ratings for the claims below.

Read more: What is the research rating?

Products Containing N-Acety-L-Cysteine

Products Names Amount of N-Acety-L-Cysteine
Creation 600mg
Muscle Builder Pro with BCAAs 500mg
Super Test Maximum 600mg
Cara Loren Prenatal Pre Workout 600mg
Impact Igniter 500mg
Full list of all 33 products containing N-Acety-L-Cysteine.

Claim Ratings

The overall ratings above are an average of the individual claim ratings below. Individual claims may have higher or lower ratings compared to the supplement's overall rating. For example, some supplements may have excellent backing for one claim, but be completely useless for another. Click on a claim below for more information.

Performance Claims Effectiveness Rating Research Rating
improve cardiovascular endurance
decrease fatigue
improve cycling sprint performance

Recovery Claims Effectiveness Rating Research Rating
reduce muscle damage
reduce muscle soreness

References

Title of Study
Acute pantothenic acid and cysteine supplementation does not affect muscle coenzyme A content, fuel selection, or exercise performance in healthy humans
Effects of N-acetylcysteine on glutathione oxidation and fatigue during handgrip exercise
Effects of N-acetylcysteine on respiratory muscle fatigue during heavy exercise
Intramuscular adaptations to eccentric exercise and antioxidant supplementation
N-acetylcysteine inhibits muscle fatigue in humans
N-Acetylcysteine Supplementation and Oxidative Damage and Inflammatory Response After Eccentric Exercise
N-acetylcysteine supplementation increases exercise performance and reduces oxidative stress only in individuals with low levels of glutathione
Supplementation with vitamin C and N-acetyl-cysteine increases oxidative stress in humans after an acute muscle injury induced by eccentric exercise
Supplementation with vitamin C and N-acetyl-cysteine increases oxidative stress in humans after an acute muscle injury induced by eccentric exercise