Even GRAS-status supplements can potentially cause harm, such as liver damage, necessitating self-monitoring through blood work.

“Which may or may not be the case, right? - Right, and so that's why you always have to be careful. You have to monitor yourself, like I have been with my blood work for many years to make sure that you're not hurting parts of your body. Your liver particularly could be sensitive to some of these molecules, even if they are available freely at the pharmacy or the vitamin shop.”