Study note • PMID 24803271
Redox status and antioxidant response in professional cyclists during training.
How to use this page
This note summarizes one study record. Check the participants, methods, results, and limitations before applying it to training.
- • Design signal: controlled study.
- • Population relevance: athlete/trained context.
- • Consistency: single-study evidence.
- • Practical recommendation depends on tolerance, context, and whether it protects training consistency.
ELI5
In plain language
The aim of this study was to investigate whether different phases of training affect oxidative stress and antioxidant defences in professional cyclists. (controlled study; well-trained cyclists).
The abstract doesn’t indicate a clear change in Time-trial performance under the tested conditions. Treat this as a signal, not a guarantee; confirm methods and context in the full paper.
Takeaways
What the abstract suggests
- • Study question: The aim of this study was to investigate whether different phases of training affect oxidative stress and antioxidant defences in professional cyclists.
- • The abstract doesn’t indicate a clear change in Time-trial performance under the tested conditions.
- • Population: well-trained cyclists.
- • Protocol cues (title/abstract): 1000 mg • 400 mg.
Protocol
Protocol (as reported)
- • Intervention/exposure: taper, tapering.
- • Dose/time/duration cues in abstract/title: 1000 mg • 400 mg.
- • Outcomes: Time-trial performance.
- • Replication note: abstracts often omit adherence and timing; confirm details before changing training or supplementation.
Fit
Who it may help, and who should be cautious
Who it helps
- • Athletes similar to the study population (well-trained cyclists) working on tapering.
- • Athletes who can measure Time-trial performance with a repeatable workout or time-trial effort.
Who should be cautious
- • If you have symptoms or conditions that make the intervention risky, get professional guidance.
- • If you’re near race day and can’t safely test, defer the experiment.
Methods
What the study actually did
- • Design: controlled study.
- • Population: well-trained cyclists.
- • Outcomes measured: Time-trial performance.
- • Protocol cues mentioned: 1000 mg • 400 mg.
- • Source: PubMed PMID 24803271 (2014) — European journal of sport science.
Results excerpt
What the abstract reports
“Plasma ORAC, LPO and 8-OHdG were similar in both groups of athletes.”
Note: excerpts are short; for full context, read the paper.
Limits
Limitations and bias
- • Abstract-only summaries can miss critical details (population, protocol, adherence, and context).
- • Single studies often don’t generalize to your event, history, and training load; treat results as a starting point.
- • If your context differs (elite vs recreational; cycling vs running), adjust expectations and be conservative.
- • This is performance information, not medical advice.
Adaptive AI coach for iPhone
Meet your adaptive AI coach.
Tell your coach what you are training for. It builds the plan, follows the work you complete, and adapts upcoming training when recovery, your schedule, or real life changes.
Keep going
Performance Science Lab
Research summaries for endurance athletes, with study context, practical protocols, and clear limitations.
Tapering performance research
Tapering is how you cash your fitness check — without getting stale or anxious.
Time-trial performance research for endurance athletes
Practical performance outcome used in many studies: closer to racing than lab-only metrics.