was a Canadian naturopath, author, and controversial figure in alternative medicine, best known for her claims that all human diseases are caused by parasites and environmental pollutants. Core Philosophy and Claims
Clark is famous for inventing the , a hand-held electronic device that she claimed could kill parasites, bacteria, and viruses by delivering a low-voltage, high-frequency current through the body. Her protocols typically involved: The Zapper: Daily use to "electrocute" pathogens. HULDA CLARK
Despite the lack of scientific validation and intense criticism from medical watchdog groups like Quackwatch , Clark maintained a loyal following. Products based on her designs continue to be sold through independent retailers, such as the Dr. Clark Store , which was carried on by her family and associates after her death from multiple myeloma in 2009. Dr. Clark Store, Inc OFFERING STATEMENT - SEC.gov was a Canadian naturopath, author, and controversial figure
She claimed that by removing these toxins and killing the parasites, any disease could be cured. Despite the lack of scientific validation and intense
Using specific combinations of black walnut hulls, wormwood, and cloves to eliminate parasites.
Clark’s work was widely rejected by the scientific and medical communities, who found no clinical evidence to support her claims. Her career was marked by significant legal challenges:
Specifically, she claimed a rare fluke ( Fasciolopsis buski ) was the primary cause of cancer.