A proving is the testing of a potentized substance to find out which symptoms that substance is capable of producing, and hence curing. A proving is conducted on volunteers who are in a reasonable state of health (provers), and who do not know what substance it is they are taking. Doses are repeated until provers start to experience symptoms of a change in state. The provers record everything they experience, whether physical, emotional, mental, or even spiritual, as long as the change in state persists. At the end of the proving all the records are compared to find the physical symptoms, states of mind, feelings, and experiences that the provers have had in common, which can reasonably be attributed to the emerging signature resonance of the substance.

"Provings are the pillars upon which homeopathic practice stands. Without accurate provings all prescribing indications are bound to be vague guesses at best, and pure fiction at worst. There is no other way to predict the effect of any given substance as a remedy with any degree of accuracy, and the use of signatures, toxicology or fancy ideas cannot approximate the precise knowledge gained by a thorough proving."
-The Dynamics and Methodology of Homeopathic Provings by Jeremy Sherr, MCH, FSHom, RSHom

The New York School of Homeopathy strongly supports and encourages the proving of new remedies. We also encourage the circulation of this material throughout the homeopathic community, free of charge.


  • The proving of Musca domestica, the Housefly, was published in the June 2001 journal of the North American Society of Homeopaths, THE AMERICAN WELCOMEOPATH.

  • The proving of Hippocampus kuda, the Seahorse, appeared in the 2003 issue of THE AMERICAN WELCOMEOPATH.

  • The proving of Didelphis Virginiana, the Virginia Opossum, was seen in the June 2011 issue of Homeopathy4everyone.

You can read all of these provings on this site, or download the entire articles as .PDF files : Muscadomestica.pdf [91 kb]; Hippocampuskuda.pdf [162 kb]; Didelphisvirginiana.pdf [133 kb]

"The best opportunity for exercising our sense of observation and to perfect it, is by proving medicines ourselves."
- Samuel Hahnemann