The influence of citrus aurantium and caffeine complex versus placebo on the cardiac autonomic response: a double blind crossover design.
Brian M KliszczewiczEmily BechkeCassie WilliamsonPaul BaileyWade HoffstetterJohn McLesterCherilyn McLesterPublished in: Journal of the International Society of Sports Nutrition (2018)
The consumption of CA + C results in an increase of sympathetic activity during resting conditions without influencing parasympathetic activity. CA + C provides no influence over cardiac autonomic recovery.