The tonic activity of Powergrape® has been demonstrated in a clinical study undertaken in top level sportsmen during a competition.
The activity of Powergrape® on the performance and recovery of subjects studied was evaluated using a scientifically validated test of physical effort: the OPTOJUMP® test (to learn more).

* Clinical results obtained after supplementing
with 400 mg of Powergrape® per day for 30 days.
It can be seen that tone was regained by sportsmen who took the supplement Powergrape®, compared with those who took a placebo. These properties of Powergrape® are to a large extent the result of its activity in protecting against oxidative stress (to learn more) and the risk of muscle damage (to learn more) – as well as its ability to improve the oxygenation of the cells of our organism.