Fantastic Calorie-Free Drinks before Bariatric Diet

Medically Reviewed by Katelyn J. Mock, US-Registered Dietician (R.D.)

Some calorie-free options for drinks in the clear liquid pre-op bariatric diet are:

    • Vita Rain is a good option. It has 0 calories, 0 sugar, 0 carbs and some of our clients report it tastes much better than Vitaminwater zero.
    • Other options are Crystal Light and Propel.
    • You could mix orange juice with water in the ratio of 1:3.
    • You could also have mint tea with zero-calorie sweetener.

Nutritionist Suggests- Liquid Diet Before Bariatric Surgery

Our US-registered bariatric nutritionist recommends:

    • Decaf tea
    • Coffee
    • Diluted juice
    • Broth
    • Sugar-Free Jell-O
    • Sugar-Free popsicles
“Try some light or diet juices, zero calorie Powerade, Gatorade, decaf tea, decaf coffee, infused waters, crystal light.” – Katelyn JM (US-RD Nutritionist)

You may not be able to find an actual “sugar-free” juice but avoid any sugar added varieties. Try to keep calories to less than 60 calories per cup (8oz).

Liquid Diet Ideas Before Gastric Sleeve

In the pre-op gastric sleeve diet, you can do a low-calorie Gatorade (G2), Powerade 0, Crystal Light, diet juice (juice that has less than 30 calories for an 8 oz serving). Ocean Spray makes several varieties of diet juice, and many of theirs have five calories for an 8 oz serving.

Oxford Radcliffe Hospitals [1]Oxford Radcliffe Hospitals, “Pre-Bariatric Surgery DIet: Information for Patients“
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you should drink more in the hot weather. Aim to drink at least 2 liters of fluid on a daily basis at regular intervals throughout the day.

This Post Addresses


  1. Oxford Radcliffe Hospitals, “Pre-Bariatric Surgery DIet: Information for Patients

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