So because they could be dangerous, I shouldn't post the information?
I included the links to examine.com which gives a descent meta analysis of the research behind each of them. Both of them show promising research results.
Safety is never guaranteed. Certainly I don't have to spell this out for the HN audience?
Do your own research. Weigh the risks. If the safety profile is to your liking, then find a trusted supplier and ramp up slowly. Stop immediately if any undesirable effects are noticed.