Vitabase Parasite Complex contains natural herbs such as garlic, black walnut, wood betony, Pau D Arco, butternut bark that are traditionally used to help rid the body of parasites. Each bottle contains a 10 day supply. For a more complete parasite removal, we recommend waiting 10 days after finishing the first bottle and then following it up with one more bottle. As a dietary supplement, take two (2) capsules with food three (3) times daily for ten (10) days. Repeat in two to three weeks if necessary.