Hello - copied from the website - this will give you an idea of which herbs kill which parasites; keep in mind that the general term "parasites" also includes flukes:
BLACK WALNUT– The dried and ground green hull of the Black-Walnut contains tannin which is an organic Iodine as well as juglandin, juglone and juglandic acids. It has been used for centuries to expel various types of worms including parasites that cause skin irritations – such as ringworm. It oxygenates the blood, which also helps to kill parasites. Black-Walnut is very effective against tapeworms, pinworms, candida albicans (yeast infections) and malaria. It is also effective in reducing Sugar levels, and helping the body rid itself of toxins.
WORMWOOD–The MOST POWERFUL of the parasite killing herb kingdom. It is most effective against roundworms, hookworms, whipworms and pinworms. Wormwood contains the toxins thujone and isothujone which are the components that kill parasites. Wormwood also contains santonin which is known as a remedy for parasitic diseases. It is the second most bitter herb known to man and has been proven as a POWERFUL remedy for malaria. Wormwood also contains sesquiterpene lactones, which work similar to peroxide by weakening the parasites membranes therefore killing them. Wormwood also helps produce bile which in turn helps the liver and gallbladder.
CLOVES - Cloves contain eugenol, caryophyllene, and tannins which are powerful anti-microbial properties – these components are what actually travel in the bloodstream killing microscopic parasites and all parastitic larvae and eggs. Eugonal is the most powerful antimicrobal agents known. Eugonal kills all microscopic protoza. Cloves are tremendously effective in killing malaria, tuberculosis, cholera, scabies and other parasites, viruses, bacteria and fungi including candida Cloves also destroy pseudomonas aeruginosa, all species of shigella, staph and strep..
THYME – Thyme contains thymol, carvacrol and flavonoids which are effective in killing bacteria (such as fungal infections ie: yeast infections) and are especially effective in killing hookworms, roundworms, threadworms and skin parasites.Thyme also destroys Cryptococcus neoformans, Aspergillus, Saprolegnia, and Zygorhynchus species. AND Salmonella typhimurium, Staphylococcus aureas, Escherichia coli and other bacterial species. As an antibiotic, thymol is 25 times more effective than phenol, but much less toxic. Thyme is the primary ingrediant in LISTERINE MOUTHWASH because of it's germ killing power.
GARLIC - Garlic can slow and kill, more than sixty types of fungi and twenty types of bacteria, including some of the most potent viruses known to man. Garlic alone can help in controlling parasites. Garlic has a history of being able to kill parasites and control secondary fungal infections; detoxify and gently stimulate elimination; it also has antioxidant properties to protect against oxidation caused by parasites' toxins. Allicin and Ajoene, are the components in Garlic that kill parasites including the one-cell varaties as well as pinworms and hookworms. Garlic has antimicrobial activities (including antibacterial, antiviral, antifungal, antiprotozoal, and antiparasitic) that kills: B. subtilis, E. coli, P. mirabilis, Salmonella typhi, methicillin-resistant Staph aureus, Staph faecalis, salmonella enteritidis, and V. cholerae ,staphylococcus, Escherichia, Proteus, Salmonella, Providencia, Citrobacter, Klebsiella, Hafnia, Aeromonas, Vibrio and Bacillus genera. Garlic is also very effective against Mycobacterium tuberculosis. Garlic also kills Microsporum, Epidermophyton, Trichophyton, Rhodotorula, Torulopsis, Trichosporon, Cryptococcus neoformans, and Candida, including Candida albicans. Garlic also has antiamoebic and Antiprotozoan properties and is especially effective against Entamoeba histolytica and Paramecium caudatum.
FENNEL - This herb is known to be anti-parasitic. Fennel Seed is used to help remove and expel Parasites and their waste and from the body. Fennel also very effective against Candida Albicans.
CAYENNE – Capsicum is the componant in cayenne that destroys parasites. It is a very effective herb for the elimination of parasites.
GINGER – The components of gingerol (zingiberone, bisabolene, camphene, geranial, linalool and borneol) found in ginger are what destroys parasites including the roundworm, the blood fluke the anisakid worm, and bacteria including salmonella.
GENTIAN – This herb is wonderful for ridding the body of parasites including plasmodia which is the malaria causing parasite . Genatian is also good for treating anemia and counteracting the effects of parasite toxins in the body by stimulating the liver to produce more bile.
HYSSOP - Hyssop contains an essential hormone oil which is very effective in destroying a variety of parasites and is very effective against the herpes simplex virus.