I highly recommend a virgin coconut oil flush. I could not finish my whole three days because it made me so nauseous, but in two days, I got more out of me than in 30 days of cleansing before.

The flush is supposed to be 2 tbsp of VCO every hour up to 14 tbsp. a day for three days, plus lots (10 8-oz. glasses) of distilled water with lemon juice (you can sweeten with artificial sweetener if you want, but no sugar) or herbal tea. I did 10 tbsp. the first day, and was fine until the early morning of the second day, when I started with diarrhea and could not stop. I tried taking my dosage the next day, but only got to 4 tbsp. because it was making me so nauseous. Still, I was running off all day, with tons of Tapeworm segments, worms, intestinal flukes, and what looked like green liver flukes coming out of me. There were literally hundreds of these things, and today, I feel much better than I have in weeks.

I'm going to do another one day flush tomorrow, then start on another protocol, but for simple cleansing, the VCO flush is awesome!

Are you saying you only did the herbs for a few days or just for a few days at a higher dosage? You want to do them for a least a month. I always find it is best to mix in other herbs or spices than increase current herbs. I think it hits a point where they just grow resistant. Try adding canyenne pepper or I found a good mix which was call canjun spices. Added to your food. You will feel worse that night but will purge the next day or keep at it for a while.
I'm on the fence about purging right now because I have had good and negative effects. I have had nice releases but the purge might have done more harm than good. The strongest herbs I know is garlic from experience.
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I think it is very important to have good bowel movements or loose stools when doing parasite cleanses. Saline and Epsom Salts will clear out the lower intestine, herbal laxatives and prunes will clear out the small intestine. I only see parasites after doing Liver (Gallbladder) Flushes. Taking a handful of digestive enzymes before going to bed may help as will antiinflammatory herbs - turmeric, cayenne and other spices. It is usually persistence in taking the herbs rather than increasing doses which works best.