Make it yourself: take the peels from 3 grapefruits and 3 lemons, boil them for 2 hours under 3 inches of water, in a pan with a lit on it. After it cooled down, take the lid of and take from the juice: 1 spoon every 2 hours. Use it with zinc tablets> 2 x 1 a day. After 2 days you allready will feel better, use it for 2 weeks if you want to. It works against bacteria, micro bacteria, viruses, malaria, parasites in your guts or stomach. If you made to much, you can freeze it also and save it for later. Use small boxes for the freeze.