ScienceProtein shakes -- are they any good?To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScience10/16/2020October 16, 2020Protein shakes, vitamin supplements and workout boosters promise quick results in muscle training. But are they also healthy? And how useful are supplements for amateur athletes?https://p.dw.com/p/3ji1kAdvertisement