This study doesn't show that selenium or N-acetyl-cysteine helps men without specific infertility issues have better sperm quality or fertility.
Scientific Claim
The study does not provide evidence that selenium and N-acetyl-cysteine supplementation improves fertility outcomes in the general male population.
Original Statement
“The study included 468 infertile men with idiopathic oligo-asthenoteratospermia who were randomized to receive... for 26 weeks, followed by a 30-week treatment-free period.”
Evidence Quality Assessment
Claim Status
appropriately stated
Study Design Support
Design supports claim
Appropriate Language Strength
definitive
Can make definitive causal claims
Assessment Explanation
The study specifically enrolled men with a specific diagnosis of infertility, so it is accurate to state that it does not provide evidence for the general male population.
Evidence from Studies
Supporting (1)
Efficacy of selenium and/or N-acetyl-cysteine for improving semen parameters in infertile men: a double-blind, placebo controlled, randomized study.