Introduction
headache, tachycardia, insomnia, anxiety
ADVERSE EFFECTS
In order to enhance athletic performance or reduce fatigue-generated symptoms, innumerable ergogenic resources have been proposed. In particular, sports supplements use is a quite prevalent strategy among athletes [In combat sports, CAF has been reported to improve different performance aspects involving isometric strength, anaerobic power, reaction time, and anaerobic metabolism [Although the ergogenic effects of CAF when consumed alone has been well documented, its combination with other supplements (e.g., sodium-bicarbonate, carbohydrate) [Although moderate to high doses of CAF have been well reported to have ergogenic effects, its use may be accompanied with some adverse effects (e.g., tachycardia, anxiety, headache, abdominal discomfort and insomnia) [