Quick Answer
Ornithine Exercise Fatigue Randomized Trial has evidence relevant to safety, limits, and clinician-discussion contexts, but conclusions should stay close to the cited sources. One representative finding is: Purpose This study examined the effects of acute and chronic oral intake of tea catechins and ornithine supplementation on exercise-induced ammonia accumulation and cycling performance.
Key Takeaways
- 01Purpose This study examined the effects of acute and chronic oral intake of tea catechins and ornithine supplementation on exercise-induced ammonia accumulation and cycling performance. [Nagayama C (2025)]
- 02Methods Sixteen healthy young men participated in a randomized, double-blind, cross-over, placebo-controlled study. [Nagayama C (2025)]
- 03Compared with traditional data-dependent acquisition (DDA) approaches, Zeno SWATH-DIA provided enhanced metabolite coverage, improved reproducibility, and reduced precursor selection bias (a statement of quantitation of how much more). [Hashmi MA (2026)]
- 04Saliva is an accessible, noninvasive biofluid for real-time monitoring of physiological and metabolic changes. [Hashmi MA (2026)]
The current Migaku evidence database contains 2 reusable source documents for Ornithine Exercise Fatigue Randomized Trial. This answer focuses on safety, limits, and clinician-discussion contexts.
- Purpose This study examined the effects of acute and chronic oral intake of tea catechins and ornithine supplementation on exercise-induced ammonia accumulation and cycling performance. [Nagayama C (2025); evidence level 2]
- Methods Sixteen healthy young men participated in a randomized, double-blind, cross-over, placebo-controlled study. [Nagayama C (2025); evidence level 2]
- Compared with traditional data-dependent acquisition (DDA) approaches, Zeno SWATH-DIA provided enhanced metabolite coverage, improved reproducibility, and reduced precursor selection bias (a statement of quantitation of how much more). [Hashmi MA (2026); evidence level 4]
- Saliva is an accessible, noninvasive biofluid for real-time monitoring of physiological and metabolic changes. [Hashmi MA (2026); evidence level 4]
- However, its potential to capture physical-exciton-induced biochemical responses has been limited by the metabolite identification depth and reproducibility of conventional metabolomics tools. [Hashmi MA (2026); evidence level 4]
Evidence levels are sorting aids, not final clinical grades. Level 1 usually indicates systematic-review style evidence, level 2 indicates randomized trials or public-health guidance, and lower levels need more cautious wording.
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Sources
- The effects of acute and chronic oral tea catechins and ornithine supplementation on exercise-induced ammonia accumulation and cycling performance in healthy young men: a randomized, double-blind, cross-over, placebo-controlled trial.
- Comprehensive Metabolomic Analysis of Saliva Using SWATH-DIA Reveals Systemic Metabolic Adaptations to Exercise.