N-Acety-L-Cysteine

Does n-acety-l-cysteine work?

Overall Effectiveness Rating for N-Acety-L-Cysteine

The overall effectiveness rating for n-acety-l-cysteine is 1.4 out of 3. This rating means there is little to no evidence n-acety-l-cysteine does what it claims. Using this supplement will not lead to positive results.

Overall Confidence Rating for N-Acety-L-Cysteine

There are 8 studies in the database on n-acety-l-cysteine; the confidence 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 rating is for n-acety-l-cysteine as a whole. There are also individual ratings for the claims below.

Products Containing N-Acety-L-Cysteine

Products Containing N-Acety-L-Cysteine
Pre JYM
Heat Hardcore
Impact Pump
JetFUSE
Infiltrate
Full list of all 12 products containing N-Acety-L-Cysteine.

Individual Claims

The overall ratings above do no necessarily reflect each claim about n-acety-l-cysteine. Individual claims can have higher or lower ratings. For example, some supplements may have a lot of backing for one claim, but be completely useless for another. Click on claims below for more information.

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

Recovery Claims Effectiveness Rating Confidence 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