Effects of the active botanical blend “WKUP GT” on attention and cognitive functions after lunch in healthy volunteers

Objectives “WKUP GT”, a low caffeine beverage consisting of carob, Guarana, Green Tea and Elderberry extracts was studied on attention and cognitive functions post‐lunch in a pilot randomized double blind placebo controlled trial. Methods Thirty healthy volunteers were included in a crossover design trial, presenting five beverages randomly assigned to the following groups: placebo, “WKUP GT” (single, double or triple doses), or “caffeine” as an active control. Hemodynamic measurements were assessed as safety outcomes. The Cambridge Neuropsychological Test Automated Battery (CANTAB), was used to evaluate the patients when beverages were consumed 30 and 120 min after lunch (respectively Delta30 and Delta120 considering baseline). Results Drinking “caffeine” or “WKUP GT” after lunch, showed significant improvement (p