Caffeine pouches containing up to 200 mg are being promoted on social media sites like TikTok, claiming to be a better alternative to energy drinks. But experts are calling for more regulation and warning young people that too much caffeine can be harmful. Read more: http://www.cbc.ca/news »»» Subscribe to CBC News to watch more videos: http://bit.ly/1RreYWS Connect with CBC News Online: For breaking news, video, audio and in-depth coverage: http://bit.ly/1Z0m6iX Follow CBC News on TikTok: