Colonoscopy Prep Guides

Practical, easy-to-follow guides to help you feel confident about your colonoscopy prep. Whether it's your first time or you want better tips, we've got you covered.

Getting Started

First-Time Guide

New to colonoscopy prep? Here's everything you need to know, step by step.

Prep Timeline

A day-by-day breakdown of what to expect before, during, and after prep.

Split-Dose Explained

Why most doctors now recommend splitting your prep into two doses.

Diet & Nutrition

Clear Liquid Diet

What counts as a clear liquid and how to get through the day comfortably.

What to Eat Before

Low-residue meal ideas for the days leading up to your procedure.

During Prep

Is My Prep Working?

How to tell if your bowel prep is working and what your stool should look like.

Troubleshooting

Nausea, bloating, or nothing happening? Common problems and what to try.

Prep Solutions

Guides for the most commonly prescribed bowel prep medications.

SuPrep

A concentrated, split-dose liquid prep with two small bottles.

GoLYTELY

The classic high-volume PEG prep — tips for getting through all 4 liters.

MiraLAX

An over-the-counter option that mixes with a sports drink.

Clenpiq

A low-volume, ready-to-drink prep with a cranberry flavor.

Sutab

A tablet-based prep — no liquid solution to drink at all.

Planning

Printable Checklist

A downloadable checklist so you don't forget anything on prep day.

Caregiver Guide

How to support a loved one through their colonoscopy prep.

Questions for Your Doctor

Important questions to ask before your procedure.

Prep Timeline Calculator

Enter your procedure time and get a personalized prep schedule.