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Keto Banana Smoothie {Dairy-Free + Modification Options!}

banana smoothie on keto?! Yes, really! This Keto Banana Smoothie really has the flavor of banana without the carbs. It also packs a healthy veggie punch with the addition of (virtually undetectable!) baby spinach, but you can omit the spinach if you’re not in a green smoothie mood.

keto banana smoothie in a glass with protein powder container behind it

This post contains affiliate links, which means I’ll make a small commission if you purchase through one of my links.

One of my favorite high-carb fruits is banana (along with pineapple and mango!), and it was one of the first fruits I missed on keto. But thanks to the magic of banana extract, I was able to make a smoothie with the wonderful flavor of banana without all the carbs! 🍌 A drizzle of peanut butter on top takes this smoothie to the next level for the ultimate smoothie experience.

I made this smoothie into a keto green smoothie (a smoothie with green veggies) because I’m allll about the keto green smoothies (and the baby spinach in this recipe is virtually undetectable!), but you are welcome to omit the baby spinach if you want a regular keto banana smoothie. No matter if you enjoy it with or without the baby spinach, you’ll love adding this smoothie to your keto menu rotation!

Why You’ll Love This Keto Banana Smoothie

  • It’s a dairy-free keto recipe!
  • The banana flavor will help satisfy your banana or fruit cravings on keto.
  • Kids will love this recipe too! It’s a great way to help increase their vegetable intake.
  • It makes a great on-the-go keto breakfast or snack that takes only a minute or two to make.

Ingredients Needed to Make Low Carb Banana Smoothie

Ingredient quantities are located in the recipe card at the end of the post.

*Although the best version of this recipe is with Equip Vanilla Protein Powder, I’ll also provide you with a protein powder-free version.

*If you aren’t interested in making a green smoothie, you can omit the baby spinach.

Why I Use (and Love) Equip Protein Powder + Coupon!

The short version: it tastes fabulous and is perfect for keto!

The long version: Prior to embarking on a keto diet, I had been dairy-free for almost a decade because dairy began to cause some strange issues for me like next-day undereye and facial puffiness, acne, and nearly instant sinus drainage.

I tried dairy-free keto for about a month, but then I made the big decision to experiment with introducing dairy into my diet yet again because, let’s face it, dairy is soo good and it makes the keto diet extra-delicious. To my surprise, I had no issues for quite a long time! However, late last year, my dairy issues flared up again (plus a few new ones), so I decided to significantly scale back on dairy.

In addition to other replacements, I wanted to replace my vanilla whey protein powder with a dairy-free, keto-friendly protein powder, which was NOT an easy task. I finally stumbled upon Equip Protein Powder and rejoiced! It contains 0g net carbs, 24g protein, and tastes delicious. It’s actually made from “beef protein isolate,” which I know sounds disgusting 🙂 , but I assure you it is not. (It does not taste like beef at all.) I love both the chocolate and vanilla flavor, but the vanilla is especially tasty.

A coupon for you: You can use coupon code FORGETSUGAR10 at checkout to get a whopping $10 off a bag of Equip Protein Powder (choose from vanilla or chocolate).

bag of equip protein powder used in keto banana smoothie

TIP: I also use Equip Vanilla Protein Powder in my Keto Shamrock Shake recipe, so make sure to make that one as well if you pick up the protein powder!

How to Make an Easy Keto Banana Smoothie

This is just a quick overview of how to make a Keto Banana Smoothie. For the recipe in detail, scroll to the recipe card at the end of the post.

Add ingredients to a blender…

overhead view of blender containing all smoothie ingredients

and blend until smooth!

overhead view of a blender containing blended keto banana green smoothie

Then, pour into a glass and drizzle peanut butter on top for the ultimate banana smoothie experience.

three glasses of keto banana smoothies with peanut butter dripping over the side

Frequently Asked Questions

Is Banana Keto-friendly?

With 24g net carbs in a single medium-sized banana, unfortunately, banana is not keto-friendly.

However, you can enjoy the taste of bananas on keto by using keto-friendly extracts, like in this low carb banana smoothie recipe.

How many carbs are in a banana smoothie?

If you were to make a traditional banana smoothie, one smoothie could easily be 30-50+ carbs!

With this keto banana smoothie, you can enjoy the flavors of banana in only 2g net carbs.

Does a Strawberry Banana Smoothie have carbs?

It sure does – and lots of them because of the banana (and somewhat because of the strawberries, although those are more keto-friendly).

If you want a keto strawberry banana smoothie, you can add strawberry extract to this smoothie recipe.

Are smoothies good on keto?

Yes, smoothies are AMAZING on keto!

If you love smoothies as much as I do, you’ll love these recipes:

Don’t forget to also check out my keto smoothie cleanse!

Nutrition Facts for a Keto Banana Green Smoothie

  • 301 calories
  • 20g fat
  • 28g protein
  • 2g net carbs

small spoon drizzling peanut butter onto keto banana smoothie glass

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I hope you love this easy low carb banana smoothie recipe! If you liked this post, I would so appreciate you giving it a share by using the social sharing icons. THANK YOU!

keto banana smoothie in a glass with protein powder container behind it

Keto Banana Smoothie

banana smoothie on keto?! Yes, really! This Keto Banana Smoothie really has the flavor of banana without the carbs.
5 from 2 votes
Print Pin Rate
Course: Breakfast, Snack
Prep Time: 2 minutes
Total Time: 2 minutes
Servings: 1
Calories: 301kcal



  • Add all ingredients to a blender and blend until smooth.
  • If the smoothie isn't cold enough, blend with a few ice cubes (not too many or you’ll dilute the flavor).
  • Drizzle 1 tsp unsweetened peanut butter (melted) on top and serve.


  • Spinach-Free: Although the baby spinach is virtually undetectable in the smoothie, you can omit it if desired.
  • Protein Powder-Free: If you don't want to add protein powder to your smoothie, add 1/2 tsp vanilla extract and keto-friendly sweetener to taste (if you use a sweetener like erythritol or Swerve, 2 tbsp is a good starting point). If the result is too thin, add a pinch more xanthan gum.
Nutrition Facts
Keto Banana Smoothie
Amount Per Serving
Calories 301 Calories from Fat 180
% Daily Value*
Fat 20g31%
Saturated Fat 12g75%
Sodium 404mg18%
Potassium 251mg7%
Carbohydrates 6g2%
Fiber 4g17%
Sugar 1g1%
Protein 28g56%
Vitamin A 4220IU84%
Vitamin C 13mg16%
Calcium 345mg35%
Iron 1mg6%
* Percent Daily Values are based on a 2000 calorie diet.

Nutrition Disclaimer

Nutrition facts are included as a courtesy only. They are accurate to the best of our knowledge based on the ingredients and brands used, but their accuracy is not guaranteed. If applicable, sugar alcohols have already been removed from the total carb count.


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If you have tried this recipe, please rate it using the stars below. Thank you!
Recipe Rating

  • 5 stars
    I tried this because I love banana and it was seriously the best! I couldn’t even tell it was banana free.A delicious and healthy drink to have in the morning
    Thank you for this recipe❤❤❤

  • 5 stars
    I made a Keto Banana Smoothie this morning and was so pleased with the taste! I miss eating bananas since I started Keto and this smoothie gives me a banana fix. I am glad for the extra vitamins from the baby spinach addition and like the green hue it gives my smoothie. I had my doubts about the peanut butter drizzle on top but it makes the smoothie even better. I will be making this banana smoothie many more times. Thanks.

Welcome! I’m Jessica.

On this site, you will find keto, low carb, gluten-free, and healthy recipes that don’t sacrifice flavor. 🍰 Thanks for visiting!