i've always wondered the same thing, at night before bed with my protein shake I take about 25 different pills which include supplements and prescription medication. antidepressants, vit c, e, flaxseed oil, phosaplex, glucosamine, zinc, aminos, boswellia extract, singulair, celebrex, ibuprophen, melitonan, serequil,chondrointan, msm, protonix, (thats all I can remember)