wikiHow is where trusted research and expert knowledge come together. The product does whats supposed to do, and the taste is not so bad. I found the article very helpful as to what to expect and how, "The suggestion of a straw and hard candy to minimize taste.". Stop drinking liquids 2 hours prior to colonoscopy. the second dose: 4-5 hours Before colonoscopy. I took my second dose of surprep this morning. After 30 mins {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/3\/36\/Drink-SUPREP-Without-Throwing-Up-Step-1.jpg\/v4-460px-Drink-SUPREP-Without-Throwing-Up-Step-1.jpg","bigUrl":"\/images\/thumb\/3\/36\/Drink-SUPREP-Without-Throwing-Up-Step-1.jpg\/aid10417695-v4-728px-Drink-SUPREP-Without-Throwing-Up-Step-1.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"
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