Researchers claim that consuming dark chocolate dailly, would promote muscle growth in the same way as joggind does. This would be due to the component epicatechin; a cacao derivate.
Experiments have been conducted on mice; those were divided into three groups.
group 1 got: 2x daily a epicatechin derivate (15 days)
group 2 got: 2x daily a epicatechin derivate + had to train 1/2h on the treadmill
group 3 got: excercise only
Results shows that when you eat a small portrion of chocolate a day and combine this with regular excercise, your performance goes up with 50%
Mice from group 1 (that only had the epicatechin), performed just as well as mice that trained regulary ...