Ready-to-Drink, Quick and Easy

Liquid Phase

The volume of fluid that your body can handle is very limited during this phase, so it is especially important to use a concentrated source of protein to help meet your goal.  Protein drinks fit this bill and work well for many people after surgery. Make sure the supplements you select have 2 grams or less of added sugar. Keep an eye on what you add to your protein drink so you don’t end up with more calories than you realize–use limited amounts of juice and peanut butter, and avoid adding sugar-free ice cream. Protein drinks are available in both ready-to-drink and powdered forms. There are advantages to both.

Ready-to-Drink Protein Supplements are quick, easy and may contain 30 grams of protein or more in a serving. There’s no shaking, mixing or blenders to clean and you don’t end up with a large airy volume to drink. There are many products available using whey (milk), soy, or vegan protein sources.

Premier Protein: 30 grams of concentrated protein in just 11 oz. Comes in chocolate, vanilla and strawberry flavors. Costco and Sam’s Clubs both carry them by the case for less than $2.00 per serving. They are also available online (various sellers) and at grocery and nutrition stores.

Protein2o: 15 grams of protein in a fruit-flavored drink. Protein2o is available online ( and at your local Kroger store (look in the bottled water aisle) or Giant Carlisle store.

EAS AdvantEDGE: 17 grams of protein. EAS AdvantEDGE has just 100 calories and comes in several flavors including strawberry cream, chocolate fudge and café caramel.

Nature’s Best Isopure: 40 grams of protein. Isopure is sweetened with Sucralose and comes in clear grape, punch, blue raspberry and other flavors.

Download On Track with Barix: Protein for Every Phase



About Deb Hart

Deb Hart is a Registered Dietitian Nutritionist. For the last 28 years, she has been helping bariatric surgery patients reach their health and weight goals. She teaches people how to set up a lifestyle that supports a healthy weight. Deb set up her own lifestyle to include lots of long walks with her furry family members, workout classes at her local wellness center, meal prepping, and finding new ways to enjoy foods without added sugar.
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