Source: Keltner, Norman L., and David G. Folks. Psychotropic Drugs. 4th ed. St. Louis, MO: Elsevier Mosby, 2005. Print.
- Alder buckthorn
- Angelica
- Barberry
- Birthroot
- Blessed thistle
- Buttermut
- Cascara Sagdrada
- Colts foot
- Damiana
- Aloe Vera
- Ma- Huang (Illegal in most states)
- Feverfew
- Ginseng
- Goldenseal
- Gotu Kola
- Juniper Berries
- Mugwort
- Osha
- Pennyroyal
- Pleurisy Root
- Rhubarb
- Rue
- Sarsaparilla
- Scotch broom
- Senna
- Shepherd’s purse
- St. Johns wort
- Tansy
- Wormwood
