I have tried it but nor for mercury toxcicity or things like that. When I get Candida die offs I use it and it helps soak up the poisons and makes me feel better, but otherwise spot here and there I have not really used it.

In Sanskrit, tulsi means literally "the incomparable one" and has been revered since ancient times. Tulsi, the holy basil, is said to have grown at the site of Christ’s crucifixion and is associated with St. Basil’s feast.