The Claim
In male university rowers, a single 200 mg dose of paraxanthine does not produce a statistically significant improvement in 2000-meter rowing performance time or power output compared to placebo.
What the research says
Supports is higher
Support is ahead, but a single strong opposing study can change this.
These are independent scores, not a percentage. Higher-grade studies count more, so a single strong opposing study can outweigh several weaker ones.
A 200 mg dose of paraxanthine does not improve rowing performance time or power output in male university rowers compared to a placebo.
See the scientific wording
In male university rowers, paraxanthine alone does not demonstrate clear ergogenic effects on 2000-meter rowing performance at a dose of 200 mg, as no statistically significant improvement in time or power output was observed compared to placebo.
Paraxanthine blocks adenosine receptors in the brain, which should make the nervous system more active and help a person push harder during exercise, but at this dose, the blockage is not strong or long-lasting enough to increase muscle recruitment or reduce fatigue during a 2000-meter rowing effort.
What the research says
1 studyThe study gave rowers 200 mg of paraxanthine and found they didn’t row faster or produce more power than when they took a sugar pill. So, paraxanthine alone didn’t help them perform better.
Score breakdown, mechanism chain, raw evidence, ideal studies needed & 1 supporting studies
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.