It’s important to prepare for your colonoscopy the right way so your doctor has a clear view of your colon when they perform the exam. Part of that prep includes following a clear liquid diet before your colonoscopy by sticking to foods like broth, sports drinks and ice pops.
Following a clear liquid diet before a colonoscopy means you should only have foods that are free of solids and pulp and that you can see through, like clear broth.
What’s a Clear Liquid Diet?
Consuming a clear liquid diet — along with prescribed laxatives — for the day or two before your colonoscopy helps clean out your intestines so your doctor has an unobstructed view of your colon, according to Harvard Health Publishing. This diet also provides some energy, electrolytes and hydration to compensate for the laxatives, per the Mayo Clinic.
So what’s a clear liquid? It’s any food or beverage that is transparent, instead of cloudy or opaque. These liquids should not contain solids, like pulp in juices. Clear broths for colonoscopies should likewise be solid-free: for instance, soups without noodles or vegetables.
You’ll typically also stick to a low-fiber diet free of whole grains, nuts and raw produce in the few days before your colonoscopy to get a head start with emptying out your GI tract, according to the Colorectal Cancer Alliance.
How do you tell if your liquid is clear enough? It should be see-through at room temperature, according to MedlinePlus.
The Purpose of a Clear Liquid Diet
Colonoscopy prep isn’t the only time your doctor might recommend that you follow a clear liquid diet.
According to the Mayo Clinic, here are some of the other reasons you may temporarily stick to clear liquids:
- To prepare for other procedures and surgeries that require an empty digestive system, like imaging tests and surgeries of your gastrointestinal tract
- To recover from certain surgeries, like gastrointestinal surgery
- To help relieve digestive issues like nausea, vomiting or diarrhea
Clear Liquids to Try
While a clear liquid diet limits what you can eat before a colonoscopy, you don’t just have to stick to water and clear broth. Here are some other colonoscopy-friendly liquids and snacks, according to Harvard Health Publishing:
- Pulp-free juice like white grape or apple juice
- Electrolyte sports drinks
- Clear sodas like ginger ale
- Tea or coffee (without milk or cream)
- Ice pops or fruit ice
- Clear hard candy like lemon drops
- Fruit-flavored gelatin or Jell-O
- Clear soups and broths like vegetable, beef and chicken broth or bouillon
- Clear nutrition or protein drinks like Ensure Clear, per UVA Health
Here’s a typical day of eating on a clear liquid diet:
- Breakfast: Plain tea or coffee with a clear nutrition or protein drink
- Snack: Vegetable, beef or chicken broth with an electrolyte sports drink
- Lunch: Clear nutrition or protein drink
- Snack: Fruit-flavored gelatin or Jell-O
- Dinner: Vegetable, beef or chicken broth
Warning
It’s important to note that the clear liquid diet for colonoscopies is meant for short-term use only. While it provides some carbs for fuel, it’s very low in protein, essential fats, vitamins and minerals, so you shouldn’t stay on it for more than a few days unless your doctor recommends it, per the Mayo Clinic. And this type of diet should never be used for weight loss.
Best-Tasting Options in Clear Diet
The tastiest food options depend on your preferences. For instance, the best-tasting broth for clear liquid diet can vary depending on whether you prefer the flavor of chicken, beef or vegetables.
The same goes for the best Jell-O flavor, fruit juice variety and more. Our advice? Pick the clear liquids that suit your tastebuds best. Just make sure to avoid red, blue and purple fluids (more on that later).
Liquids to Avoid
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