* [[Astragalus]] offers benefits in preventing viral infections due to its immunostimulant effects, according to the Huntington College of Health Sciences.
* Black walnut is a natural herb which contains tannins that not only kill fungal overgrowth like candida, but also kill parasites. It may be especially useful for those who suffer from both [[candidadiasis]] and a parasitical infection.
* Grapefruit seed extract (GSE): this citrus extract is a powerful natural antibiotic and is used to inhibit microbes, parasites, bacteria, viruses and 30 types of fungi including Candida yeast.
== Warnings ==