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Home » Smoothie Recipes » Protein Shakes

Chocolate Protein Shake | 25g Protein & Low Calorie

Published: Oct 18, 2026 by Amber Sagal · This post may contain affiliate links · Leave a Comment

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This chocolate protein shake is one of my favorite ways to get an extra boost of protein without having a thick, icy smoothie, especially during the colder months when I want something a little lighter and easier to drink.

A chocolate protein shake in a tall clear glass with a pink and white striped straw, sitting on a light countertop with green plant leaves in the background.

With 25 grams of protein, 5 grams of fiber, and only 219 calories, this healthy chocolate protein shake is perfect when you want something light yet satisfying to help curb hunger cravings.

I especially love having this chocolate protein shake in the morning when I don't feel like eating a huge breakfast but still want something protein-rich to help hold me over until lunch.

The secret to making the best-tasting chocolate protein shake is using vanilla protein powder with a tablespoon of cocoa powder. I only use half a scoop of Truvani vanilla protein powder because I find a full scoop of any sweetened protein powder way too sweet!

Instead, I combine it with unsweetened soy milk and unflavored collagen peptides to boost the protein without making the shake overly sweet. Plus, the collagen is a little extra addition to get your glow on!

A teaspoon of ground flaxseed adds healthy omega-3 fats and fiber, while half a banana gives the shake just enough natural sweetness and creaminess.

What I love most is the consistency. It's smooth, chocolatey, and easy to drink, with the perfect amount of chill without being thick and freezing cold like a traditional smoothie.

Overhead photo of chocolate protein shake ingredients in metal bowls, including banana, soy milk, water, ice, flaxseeds, cocoa powder, collagen peptides, and protein powder, with each ingredient labeled.

Chocolate Protein Shake Ingredients

  • ½ medium banana – Adds natural sweetness and just enough creaminess without making the protein shake too thick.
  • ½ scoop Truvani vanilla plant-based protein powder – Adds protein and the perfect amount of sweetness. I love using vanilla protein powder with cocoa to make a chocolate shake without it tasting overly sweet.
  • 10 grams unflavored collagen peptides – Boosts the protein content without changing the chocolate flavor. Collagen peptides also provide amino acids used in the body's collagen production, which is important for healthy skin.
  • ½ cup unsweetened soy milk – Adds additional protein and creates a smooth, creamy consistency without needing a full cup of milk.
  • ½ cup water – Helps keep this chocolate protein shake light and drinkable rather than thick like a smoothie.
  • 1 teaspoon ground flaxseed – Adds fiber and plant-based omega-3 fatty acids, which are beneficial for heart health.
  • 1 tablespoon unsweetened cocoa powder – Turns vanilla protein powder into a delicious chocolate protein shake while adding rich chocolate flavor.
  • ½ cup ice cubes – Gives the shake just the right amount of chill without making it too thick or icy.

How to Make a Chocolate Protein Shake

  1. Add the soy milk and water to your blender, followed by the banana, vanilla protein powder, collagen peptides, ground flaxseed, and cocoa powder.
  2. Add the ice cubes and blend until smooth and creamy.
  3. Pour into a glass and enjoy your light, chocolatey protein shake!

I use my Ninja Twisti blender to make this recipe, but a Vitamix or any good-quality blender will work.

Pinterest pin featuring a chocolate protein shake in a tall clear glass with a pink striped straw, green plant leaves in the background, and text reading “Chocolate Protein Shake – 25g Protein & Low Calorie.”

Tips and Substitutions

Don't use too much protein powder. I find that a full scoop of sweetened protein powder can completely overpower the flavor of a shake. Half a scoop of Truvani vanilla protein powder adds just the right amount of sweetness, especially when combined with half a banana.

Adjust the amount of cocoa powder: For a richer chocolate flavor you can add a touch more cocoa powder or even a sprinkle of dark chocolate chips!

Swap the soymilk: I love the creaminess that soy milks provides along with a boost of protein but you can use any type of milk. 

This low-calorie chocolate protein shake is a great option if you're looking to increase your protein intake without adding too many calories.

With only 219 calories, 25 grams of protein, and 5 grams of fiber, it's a satisfying way to help curb hunger between meals.

Protein is particularly important when trying to lose weight because it helps support muscle maintenance and can help you feel fuller for longer. Fiber also contributes to fullness and supports digestive health.

I personally love having this shake in the morning when I'm not feeling hungry enough for a big breakfast but still want something nutritious to help keep me satisfied until lunch.

It's also a great option when you're craving something chocolatey but want something with protein and fiber rather than a sugary drink.

Chocolate Protein Shake Nutrition

This recipe makes one serving.

  • Calories: 219
  • Protein: 25 grams
  • Net carbohydrates: 17.1 grams
  • Fiber: 5 grams
  • Fat: 6 grams

One of my favorite things about this shake is how much protein it provides for only 219 calories. It's a simple way to get nearly 25 grams of protein without needing a heavy breakfast or a thick smoothie.

Top 5 Vitamins and Minerals

Along with protein and fiber, this chocolate protein shake provides several essential vitamins and minerals.

  • Molybdenum 
  • Copper
  • Manganese 
  • Vitamin B12 
  • Magnesium 

If you're looking for a healthy chocolate protein shake that's light, delicious, and easy to drink, this is one of my favorites!

I love that it has nearly 25 grams of protein without being overly thick, sweet, or icy. This chocolate protein shake recipe is especially nice during the colder months when I still want a protein-rich drink but don't feel like having a freezing-cold fruit smoothie.

If you're trying to manage your weight, this low-calorie chocolate protein shake is a delicious way to get 25 grams of protein for only 219 calories. A study found that adults who incorporated a high-protein meal replacement into a calorie-controlled diet lost more weight over 90 days than those following a conventional calorie-restricted diet.

While this shake isn't a complete meal replacement, it's a great option for a lighter breakfast or satisfying snack that provides protein and fiber without a lot of extra calories and satisfies a chocolate craving!

Pinterest pin featuring two photos of a creamy chocolate protein shake in a tall clear glass with a pink and white striped straw, with text reading “Chocolate Banana Protein Shake – Low Calorie & High Protein.”

📖 Recipe

A chocolate protein shake in a tall clear glass with a pink and white striped straw, sitting on a light countertop with green plant leaves in the background.

Chocolate Protein Shake | 25g Protein & Low Calorie

This healthy chocolate protein shake is creamy, chocolatey, and easy to drink without being overly thick or icy. Made with banana, vanilla protein powder, cocoa, collagen peptides, soy milk, and flaxseeds, it has 25 grams of protein, 5 grams of fiber, and only 219 calories. Perfect for a lighter breakfast or protein-rich snack to help keep you satisfied!
Print Recipe Pin Recipe
Prep Time 5 minutes mins
Total Time 5 minutes mins
Servings: 1
Course: smoothies
Cuisine: American
Calories: 219
Ingredients Equipment Method Nutrition Video

Ingredients
  

  • ½ banana
  • Truvani vanilla plant-based protein powder
  • 10 g collagen powder
  • ½ cup unsweetened soy milk
  • ½ cup water
  • 1 tsp flax seeds
  • 1 tablespoon unsweetened cocoa powder½ cup ice cubes
  • ½ cup ice cubes

Equipment

  • 1 Ninja Twister Blender or Vitamix Blender
  • 1 Set measuring cups

Method
 

  1. Add all ingredients to a blender and blend until smooth and creamy.
  2. Pour into a glass and enjoy!

Nutrition

Calories: 219kcalCarbohydrates: 22gProtein: 25gFat: 6gFiber: 5g

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Hi, I'm Amber!

I’m a nutritional therapy consultant, busy mom, and smoothie lover sharing quick, nutrient packed smoothies that make healthy eating simple and delicious.

I love creating all kinds of smoothies, from high protein to cleansing blends and fruity favorites that taste like a treat while helping you feel nourished and energized.

More about me

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