Herbal, dietary supplements cause one-fifth of liver injuries
medicalxpress.com
medicalxpress.com
How do I know? Because I've taken plenty of legal-at-the-time testosterone precursors, aka prohormones. If that's what the article is trying to talk about, they did a terrible job. Anabolic steroids are illegal in the US for recreational purposes, err, without a prescription.
http://www.pbs.org/wgbh/frontline/article/when-it-comes-to-s...
http://arstechnica.com/science/2016/10/fda-homeopathic-teeth...
> FDA: Homeopathic teething gels may have killed 10 babies, sickened 400
> Makers have been warned before about varying amounts of deadly nightshade in gels.
This was supposed to be homeopathic (the label says so), but contained dangerous levels of ingredient, even after the manufacturers were warned.
If there was actual quality control, that would be the case. Actual "homoeopathic" products, OTOH, are, in fact, often not what the purported process would produce, and have been known to be dangerous.