From: Acute effects of brewed cocoa consumption on attention, motivation to perform cognitive work and feelings of anxiety, energy and fatigue: a randomized, placebo-controlled crossover experiment
Beverage
aTotal Flavanols (mg)
Theobromine (mg)
Caffeine (mg)
Cocoa
499
179
21
Flavored placebo
4
0
Flavored caffeine
66
Caffeinated cocoa
455
70