This is a delicious, less than 300-calorie smoothie recipe that is made with high protein, and it’s perfect for breakfast or any time of the day!

This low calorie protein shake is also suitable for vegans, it’s dairy-free and it’s made with only 5 ingredients.

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300 Calorie Smoothie

300 Calorie Smoothie (Protein)

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Whip up a 300 Calorie Protein Smoothie, a perfect balance of high-quality protein and nutritious ingredients for a satisfying, muscle-supporting meal replacement.

  • Total Time: 5 minutes
  • Yield: 1 1x


Units Scale
  • 1 small-medium sized banana (peeled)
  • 1 cup almond milk (unsweetened )
  • 1 scoop of protein powder (130 calories per serving)
  • 1/2 cup frozen pineapple
  • 1 handful of spinach (washed)


  1. To a blender, add the banana and spinach followed by the rest of the ingredients.
  2. Blend for 2-3 minutes, or until smooth. Do not over-blend.
  3. Pour into a cup and enjoy!


*For smoothie benefits, recipe notes, and more, scroll down!

  • Author: Ella Waterworth
  • Prep Time: 3 minutes
  • Cook Time: 2 minutes
  • Category: Smoothie
  • Cuisine: American
  • Diet: Vegan


  • Serving Size: 1 smoothie
  • Calories: 287
  • Sugar: 17.5g
  • Fat: 5.4g
  • Carbohydrates: 33g
  • Fiber: 5.4g
  • Protein: 28.7g

Why You Will Love This 300 Calorie Smoothie

green smoothie served in a small glass cup

This low calorie protein shake is not only easy to make, but it’s also so nutritious and tasty.

Whether you are trying to lose weight, or simply want a quick meal replacement, this smoothie is ideal.

Other reasons why  you will love this smoothie include:

  1. Nutrient-Dense: This smoothie is filled with vitamins, minerals, and antioxidants. 
  2. Protein-Packed: This smoothie is an excellent source of protein. A serving of this smoothie contains 28.7g of protein.
  3. Low in Calories: Despite being rich in nutrients and protein, this smoothie is still low in calories, making it a perfect fit for weight loss.
  4. Dairy-Free: Using almond milk as a base makes this smoothie dairy-free, catering to those with lactose intolerance, dairy allergies, or anyone following a vegan diet.
  5. Energy Boosting: The combination of natural sugars from fruits and the sustained energy from protein makes this smoothie a great energy booster.
  6. Improves Digestion: The fiber from the spinach, banana, and pineapple supports healthy digestion and promotes gut health
  7. Versatile and Convenient: This smoothie is quick and easy to make, requiring only a few ingredients and a blender. Its versatility allows for substitutions or additions based on personal preference or dietary needs, making it a convenient option for a nutritious meal or snack on the go.

If you love this smoothie, you should also try my 50 calorie smoothie recipe and my 500 calorie meal replacement smoothie recipe!

green smoothie being poured into a small glass cup from a blender jug

Ingredient Substitutions And Smoothie Variations

There are many different ways to make this smoothie and other ingredients you can use:

  • No Banana: Substitute the banana for mango or pineapple.
  • The Smoothie Base: Use any dairy-free milk you like, but note that calories will change depending on the type of milk used.
  • Vegan-Friendly: I used vegan protein powder, but you can use any you like or have.
  • No Protein Powder Version: Swap the protein powder for 1/2 cup of low-fat unsweetened yogurt.

Recipe Equipment:

Blender Type Suitability
Nutribullet 600
Vitamix Blender Propel 510
BlendJet 4000mAh
Ninja Blender BL610
Oster 6640 Blender
Hamilton Beach 58148A Blender
AMZChef Blender 1800 W
Wamife Blender

Whether you own a Vitamix or an Oster 6640 Blender, this smoothie recipe will work just fine. 

I have tested the smoothie with 8 different blenders, and all of them worked.

Ella Waterworth
Ella Waterworth

Founder & Recipe Developer at Smoothies N Cookies

Ella Waterworth is the founder of Smoothies N Cookies and she is a professional smoothie recipe creator. She gained extensive knowledge of creating smoothies by working for Smoothie King for several years.

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