Sports supplements containing banned substance DMAA can easily be bought online, for example in online stores or through Dutch sports influencers on Instagram, according to research by NOS and masters students from the University of Amsterdam. The majority of these so-called pre-workout shakes are legal, but on Instagram and foreign online stores shakes with banned substances can also easily be bought, according to the broadcaster.
Food supplements, for example for more energy or slimming supplements, are increasingly popular in the Netherlands. But they are by far not always healthy and some even contain forbidden substances, the national poisoning information center NVIC warned in its annual report for 2016. In some cases the information on the labels don't match the substances actually in the supplements, ANP reports.