Friends video is only related to pure 100% CREATINE only.
Cheaper brands or Chinese generic Creatine are not suggested to consume.
It may cause serious health issues.
History of Creatine
Creatine was discovered in 1835 when a French scientist named Michel Eugene Chevreul discovered a component of skeletal muscle that he later named creatine after the Greek word for flesh, or Kreas. Therefore, although creatine may seem like something new, the scientific community has recognized it as a natural constituent of muscle for nearly two centuries