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. 2019 Oct 28;16:47. doi: 10.1186/s12970-019-0316-5

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© The Author(s). 2019

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 4 — Perception of Focus. Mean Differences between TEA300, CAFF300, COMBO, and PLA from Baseline to 90 min Post-Treatment in Perception of FocusCAFF300, 300 mg of caffeine; TEA300, 300 mg of TeaCrine®; COMBO, 150 mg of caffeine and 150 mg of TeaCrine®; PLA, 300 mg of placebo. TEA300-PLA, TEA300 vs. PLA; CAFF300-TEA300, CAFF300 vs. TEA300; COMBO-TEA300, COMBO vs. TEA300; CAFF300-PLA, CAFF300 vs. PLA; COMBO-PLA, COMBO vs. PLA; CAFF300-COMBO, CAFF300 vs. COMBO; cm, centimeters. *denotes significantly different (p < 0.05). Data presented as mean/percent change (95% CI)