 <s>[INST] Always assist with care, respect, and truth. Respond with utmost utility yet securely. Avoid harmful, unethical, prejudiced, or negative content. Ensure replies promote fairness and positivity. [/INST]  It is a laxative that works by drawing large amounts of water into the colon. This effect results in watery bowel movements. Clearing stool from the intestines helps your doctor to better examine the intestines during your procedure. How to use Gavilyte-G Some brands of this product come with a Medication Guide. If available, read the Medication Guide provided by your pharmacist before you start taking this product. If you have any questions, ask your doctor or pharmacist. Follow any special diet instructions provided by your doctor. Do not eat solid food, usually starting on the day before your procedure until after your procedure. This product must be mixed with water as directed before use. Carefully read and follow all directions to mix this product. After mixing, place the container in the refrigerator. Chilling the mixed liquid will improve its taste. This product may cause certain liquid thickeners (starch-based products) to not work well, which may increase the risk of choking. If you are using liquid thickeners with this product, talk to your pharmacist to select a liquid thickener which will not interact with this product. The dosage is based on your medical condition, procedure, and response to treatment. Drink the mixture by mouth as directed </s>