Selenium and NAC for sperm health
Efficacy of selenium and/or N-acetyl-cysteine for improving semen parameters in infertile men: a double-blind, placebo controlled, randomized study.
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
This study tested if taking selenium and NAC pills helps men with unexplained low sperm count and movement problems.
No biological mechanisms were identified in this study. This may be an epidemiological, observational, or survey-based study that reports associations rather than proposing causal biological pathways.
Systematic Reviews & Meta-Analyses
Max 100Randomized Controlled Trials
Max 90Cohort Studies
Max 72Case-Control Studies
Max 58Cross-Sectional Studies
Max 44Case Reports & Case Series
Max 30Expert Opinion & Narrative Reviews
Max 568 / 90
Evidence Score
Participants are randomly assigned to treatment or control groups, minimizing bias. Considered the gold standard for testing whether an intervention causes an effect.
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
This study tested if taking selenium and NAC pills helps men with unexplained low sperm count and movement problems.
No biological mechanisms were identified in this study. This may be an epidemiological, observational, or survey-based study that reports associations rather than proposing causal biological pathways.
Systematic Reviews & Meta-Analyses
Max 100Randomized Controlled Trials
Max 90Cohort Studies
Max 72Case-Control Studies
Max 58Cross-Sectional Studies
Max 44Case Reports & Case Series
Max 30Expert Opinion & Narrative Reviews
Max 568 / 90
Evidence Score
Participants are randomly assigned to treatment or control groups, minimizing bias. Considered the gold standard for testing whether an intervention causes an effect.
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Claims (10)
N-acetylcysteine (NAC) improves liver function, supports cellular detoxification, modulates inflammation in adipose tissue, enhances fat loss, and improves recovery from physical exertion.
N-acetylcysteine supplementation reduces exercise-induced oxidative stress in skeletal muscle by serving as a glutathione precursor, thereby improving recovery and maintaining performance during repeated exercise bouts.
N-acetylcysteine supplementation at 300-600 mg/day provides optimal benefits for most individuals, with diminishing returns at higher doses and potential gastrointestinal side effects.
Taking 200 micrograms of selenium every day for about 6 months helps men with certain types of infertility have better sperm quality, including more sperm, better movement, and better shape.
Taking 600 milligrams of N-acetyl-cysteine every day for about 6 months helps men with certain types of infertility have better sperm quality, including more sperm, better movement, and better shape.