# Effects of Caffeine, L-Theanine, and Diaphragmatic Breathing on Esports Players' Performance

> **NCT06621797** · NA · COMPLETED · sponsor: **Hacettepe University** · enrollment: 15 (actual)

## Conditions studied

- Esports
- Caffeine
- L-theanine

## Interventions

- **DIETARY_SUPPLEMENT:** Intervention 1: Dietary Supplement - Caffeine Supplement
- **DIETARY_SUPPLEMENT:** Intervention 2: Dietary Supplement - Caffeine + L-Theanine Supplement
- **BEHAVIORAL:** Intervention 3: Dietary Supplement - Caffeine Supplement + Diaphragmatic Breathing Exercises

## Key facts

- **NCT ID:** NCT06621797
- **Lead sponsor:** Hacettepe University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2023-05-01
- **Primary completion:** 2024-09-24
- **Final completion:** 2024-09-26
- **Target enrollment:** 15 (ACTUAL)
- **Last updated:** 2024-10-01


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT06621797

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT06621797, "Effects of Caffeine, L-Theanine, and Diaphragmatic Breathing on Esports Players' Performance". Retrieved via AI Analytics 2026-06-16 from https://api.ai-analytics.org/clinical/NCT06621797. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*