April 1, 2024

Choosing Protein Shakes After Gastric Sleeve Surgery

Successful long term and healthy weight loss after gastric sleeve surgery requires a personal commitment to a healthy lifestyle and a new approach mindful approach to nutrition. One essential aspect of this journey is ensuring an adequate intake of protein while maintaining low levels of carbohydrates and sugars. Protein shakes can be a convenient and effective way to meet these nutritional needs, especially in the initial post-surgery phase.

Importance of Protein Post-Surgery

After gastric sleeve surgery, your body needs more protein to heal and maintain muscle mass. Protein is crucial because it aids in the repair of tissues and the prevention of muscle loss. However, due to the reduced size of your stomach, you won't be able to eat large quantities of food. This is where protein shakes come in handy, as they provide a concentrated dose of protein in a digestible, easy-to-consume format.

Use shakes to supplement not replace.

The key, however, is not to rely on protein shakes. Use them as supplements to a complete whole, natural diet. There is tremendous value in eating unprocessed foods. After your few weeks post sleeve surgery, start to transition away from a liquid only diet.

At MyLife Bariatrics & HOW Clinics– ask us and we will help you choose the right foods for your lifestyle. Add protein shakes when you want a healthy option in the morning or between commitments midday.

For the rest of your meals, focus on small portions of whole, unprocessed foods. These foods not only provide protein but also a variety of other nutrients essential for overall health. Lean meats, fish, eggs, dairy products, legumes, and nuts are excellent sources of protein.

Add protein shakes when you want a healthy option in the morning or between commitments midday.

Characteristics of a Good Post-Surgery Protein Shake

High in Protein, Low in Carbs and Sugars

The ideal protein shake for post-gastric sleeve surgery should be high in protein but low in carbohydrates and sugars. Excess carbs and sugars can hinder weight loss and potentially lead to complications like dumping syndrome, where sugary or high-carbohydrate foods pass too quickly through your stomach.

Contains Dietary Fiber

Including some dietary fiber in your protein shakes can aid digestion and improve gut health. Fiber is essential for regulating blood sugar levels and preventing constipation, a common issue after surgery.

Made from Whole, Natural Ingredients

Whenever possible, choose protein shakes made from whole and natural ingredients. These are generally healthier and provide a range of other nutrients that your body needs for recovery.

Recommended Protein Shakes for Post-Gastric Sleeve Surgery

Whey Protein Isolate Shakes

Whey isolate is an excellent choice as it's low in fat and carbohydrates and high in protein. It's also easy to digest, which is crucial after surgery.

Plant Based Protein Shakes

For those who are lactose intolerant or prefer a plant-based diet, shakes made from pea, hemp, or brown rice protein are great alternatives. Ensure they're enriched with all the essential amino     acids.

Casein Protein Shakes

Casein is another milk protein like whey, but it's digested more slowly, providing a steady release of amino acids. This can be particularly beneficial before bedtime to aid in overnight recovery.

Variety is your friend when it comes to success with shakes. Ask our team how to "mix it up" with shake flavors, consistency, nutrients & protein sources


Protein Shakes to consider for Post-Sleeve Nutritional Supplementation (with Nutritional Values)

1. Premier Protein

Premier Protein shakes are known for their high protein content, with around 30 grams of protein per serving. They are low in sugar and carbohydrates, making them an excellent choice post-surgery. Additionally, these shakes come in a variety of flavors, offering a pleasant taste without the high sugar content.

  • Protein: 30g per serving
  • Carbohydrates: 5g
  • Fiber: 3g
  • Low in sugar

2. Fairlife Protein – Core Power

Fairlife Protein shakes stand out due to their use of filtered milk, which increases the protein content and reduces the sugar level. Each serving typically contains 30grams of protein. These shakes are also lactose-free, making them a good option for those with lactose intolerance.

  • Protein: 26g per serving
  • Carbohydrates:  8g
  • Fiber: 2g
  • Lactose-free with reduced sugar levels.

3. Boost Diabetic

Specifically designed for individuals with diabetes but beneficial to all due to low glycemic index, Boost Diabetic shakes have a balanced nutritional profile suitable for post-surgery patients. They contain a unique blend of protein, carbohydrates, and fiber, which helps manage blood sugar levels while providing essential nutrients.

  • Protein: 16g per serving
  • Carbohydrates: 16g (low glycemic index), 0.5g of sugar
  • Fiber: 3g
  • Designed for stable blood sugar management.

4. Rumble Shakes

Rumble Shakes are known for their all-natural ingredients and a good balance of nutrients. They offer a decent amount of protein per serving, along with essential vitamins and minerals. These shakes also include omega-3 fatty acids, which are beneficial for heart health. Somewhat higher carb levels are noted here so balance with other options.

  • Protein: 20g per serving
  • Sugars: 11g, Carbohydrates: 26h
  • Fiber: 5g
  • All-natural ingredients with omega-3 fatty acids.

5. Revolution Isolate Splash Smoothie

Revolution Isolate Splash Smoothie protein products are designed with a focus on natural and wholesome ingredients. They typically contain a balanced mix of protein, fiber, and essential nutrients, with an emphasis on organic and non-GMO ingredients. This brand is a great choice for those looking for a more 'clean eating' approach.

  • Protein: 20g per serving
  • Carbohydrates: 0g
  • Fiber: 0g
  • Focus on organic and non-GMO ingredients.

6. Whey Isolate, Unflavored

For those who prefer a more straightforward approach, unflavored Whey Isolate is an excellent option. It's almost pure protein with minimal carbohydrates and fats, and no added flavors or sweeteners. This type of protein is easily digestible and can be mixed with other foods or flavors as per your preference.

  • Protein:  25-30g per serving (varies by brand)
  • Carbohydrates:  1-3g
  • Fiber: 0-1g
  • Nearly pure protein, versatile for mixing.



Protein shakes can be a vital part of your post-gastric sleeve surgery diet, helping you meet your nutritional needs in the early days post-surgery and acting as a healthy supplement later on.

Remember to choose shakes that are high in protein but low in carbs and sugars, contain some fiber, and are made from whole, natural ingredients.

If you have allergies or food intolerances, don’t despair, as today, more than ever, there are good healthy protein options and available via online order. As you recover, gradually shift towards a diet rich in whole foods to ensure a balanced intake of all nutrients.

Align your dietary choices with guidance from experts at MyLife Bariatrics and HOW Clinics to ensure the best outcomes for your post-sleeve health and well-being.

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