A common example is with vitamin D, and heres why: Vitamin D is fat soluble, so your body stores it Taking more than the recommended upper limit for long periods can lead to high vitamin D levels, and high calcine can lead to kidney and heart problems If you are on a higher dose of vitamin D for a specific medical reason or for longer than a short course, your provider may want to check your levels and other labs to stay on top of safety
SOJ Pharm Pharm Sci, 1(2), 10
Bi M, Du X, Jiao Q, Liu Z, Jiang H
If you are receiving chemotherapy, you should stay away from glutathione
Milk thistle is also a useful remedy for dyspepsia and digestive complaints that are associated with a sluggish liver, after serious conditions have been ruled out (2,3)