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While there is no miracle smoothie or food that will magically kick-start weight loss, there are foods you can eat to boost your metabolism and help you feel full longer, like my weight loss protein smoothie.

chocolate smoothie in a glass with a pink straw and a black and white striped straw in it.

This recipe uses whole food, plant-based ingredients that will give you the nutrients you need to conquer your day. I use this smoothie as a breakfast meal replacement smoothie for a few reasons.

It’s high in protein and healthy fat so I start the day full and satisfied. Cacao powder also gives this weight loss protein smoothie natural caffeine to wake me up, a bonus on busy mornings.

Table of Contents
  1. Chocolate Weight Loss Smoothie Ingredients
  2. Ingredient Swaps
  3. Chocolate Protein Smoothie Recipe
  4. Weight Loss Protein Smoothie FAQs
  5. More Weight Loss Shakes
  6. Chocolate Weight Loss Protein Smoothie Recipe

Chocolate Weight Loss Smoothie Ingredients

I’m using a slightly unique list of ingredients to whip up this deliciously filling smoothie. They are designed to wake up your metabolism and bring you natural energy to start your day.

ingredients in black text surrounded by white boxes for a weight loss protein smoothie including spinach, cacao, hemp hearts, almond butter, cayenne pepper, almond milk, cinnamon and banana.

Unlike most “weight loss smoothies” (filled with cheap proteins, artificial ingredients, taste chalky and leave you hungry) this one is the complete opposite. It truly tastes good and is good for you. Here’s what I’m blending:

Ingredient Swaps

If you read through the ingredient list and got caught on one or two ingredients then let’s fix it to make this smoothie work for you.

Almond butter can be swapped with the nut butter of your choice. Hemp hearts can be swapped with chia seeds or a plant-based protein powder.

Swap spinach with the leafy green of your choice. Can’t find cacao powder? Then use unsweetened cocoa powder. Use the plant-based milk of your choice. Each kind can offer different nutrients and even a bit more protein than the almond milk used in this recipe.

Chocolate Protein Smoothie Recipe

The beauty of a smoothie is that you can “eat and run.” I call it the world’s healthiest fast food because you can get a delicious, fast meal in five minutes! Blending this smoothie is super easy, yet I like to do it in two steps to ensure I always get the smoothest result.

  1. Blend together the almond milk and spinach until there are no leafy chunks left. If you need to stop the blender and scrape down the sides to achieve this then go for it.
  2. Add the remaining ingredients and blend again until smooth.

Pro Tips: Use a frozen banana to cool down this smoothie, or pour over ice after blending for a refreshingly cool smoothie. This will last up to 24 hours in the fridge so feel free to make two servings and save one for tomorrow.

white female standing over a kitchen sink, holding a chocolate smoothie in a glass jar with a black straw.

Weight Loss Protein Smoothie FAQs

Are protein smoothies good for weight loss?

They can be, yet make sure your smoothies are full of some key things: healthy fat, protein and whole food ingredients. Ditch the weird powders and fancy supplements and stick to smoothies made with only real ingredients. I make sure every protein smoothie I drink has healthy fats, protein from plant-based sources and only natural sugar from fruits and vegetables.

Which protein shake is best for weight loss?

If you are using a protein shake as a meal replacement, or really anytime, make sure it has a good balance of carbs, fat and protein. Your body needs healthy fat to function fully and surprise, it actually helps you stay full longer! A good amount of protein in each meal will also help fill you up, and help process the natural carbs.

Is it OK to drink 2 protein shakes a day to lose weight?

If two smoothies a day works for you, go for it. Make sure you focus on a variety of ingredients in those drinks so you get the most nutrients you can. I like swapping up my leafy greens on a regular basis as well as using a wide variety of produce. This way my body gets all the vitamins, minerals and more that it needs to thrive.

More Weight Loss Shakes

If you loved this filling smoothie then I’ve got even more great recipes to add to your meals.

  • Meal Replacement Smoothie: This is my go-to lunch, knowing I won’t feel hungry or have a sugar crash 30 minutes later.
  • Vanilla Protein Shake: I love this smooth shake and how full I feel after finishing it.
  • Flaxseed Smoothie: This is a great smoothie for those mornings when you need to “get things moving,” if you know what I mean. And it tastes delicious.
  • Caramel Protein Shake: For those that like a sweeter start to their day, this is the perfect morning beverage. It’s creamy, thick and protein-rich.

Don’t forget to rate + review this smoothie once you’ve made it. I love getting all your feedback!

4.69 from 47 votes

Chocolate Weight Loss Protein Smoothie

This weight loss smoothie uses all natural ingredients to kick start your metabolism and burn fat. We're using all plant-based ingredients to keep you full until your next meal and get you the results you want.
Prep: 5 minutes
Total: 5 minutes
Author: Jen Hansard
Course: Breakfast, Smoothie
Cuisine: Plant-Based, Vegan
Serves: 1 smoothie


  • 1 cup almond milk unsweetened
  • 1 cup spinach fresh
  • ½ banana
  • 2 tbsp cacao powder
  • 2 tbsp almond butter
  • 1 tbsp hemp hearts
  • 1 tsp cinnamon ground
  • tsp cayenne pepper
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  • Add leafy greens and liquid to blender, blend until all chunks are gone. 
  • Add in remaining ingredients and blend until smooth.



  • If you prefer your smoothies extra cold, feel free to pour smoothie over a glass of ice. 
  • Serve immediately or refrigerate until ready to enjoy. 
  • Swap almond milk with the unsweetened plant-based milk of your choice.
  • Swap almond butter with nut or seed butter of your choice.
  • Swap spinach with any leafy greens you want.


Calories: 406kcal, Carbohydrates: 30g, Protein: 17g, Fat: 29g, Saturated Fat: 3g, Polyunsaturated Fat: 11g, Monounsaturated Fat: 13g, Sodium: 354mg, Potassium: 784mg, Fiber: 12g, Sugar: 9g, Vitamin A: 3039IU, Vitamin C: 14mg, Calcium: 498mg, Iron: 6mg
Tried this recipe? Show me!Mention @SimpleGreenSmoothies or tag #SimpleGreenSmoothies!

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  1. You suggested some ingredient swaps, but not one for the one thing I would need to swap out of this smoothie: the banana. I am trying to eat as close to keto as I can, since I am pre-diabetic. Any suggestions? Thanks for your ideas.

    1. Hi Jessica! You can omit the cayenne if that works better for you.

  2. Thank you for these smoothies. It gives me a lot of ideas. My friend hates bananas so I am trying to create some smoothies for her.

  3. While I don’t make this for “weight loss” purposes, I make this on repeat! It’s super filling and a nice little kick of caffeine without having coffee.

  4. 5 stars
    Me encantan tus licuados!!! Haces mucho bien compartiendo tus conocimientos.

  5. I really love your smoothies and I enjoy all the emails. How do you calculate 17 grams of protien in that chocolate smoothie.?

    1. Most of the protein in this one comes from the hemp hearts, cacao powder and almond butter!

  6. 5 stars
    Loved the rich chocolate-y flavor of this, not too sweet. Added 1/2 cup cauliflower and used homemade protein powder instead of just hemp hearts. Super filling.

    1. Hey Erin- So glad you loved this one! I’ll have to try your suggestion next time I make one!

  7. 5 stars
    I tried this and love it! Hemp seed isn’t readily available here so I subbed with ground flax seeds. It was a bit too chocolatey for me so I would lessen the cocoa next time. I also lessened the cinnamon to 1/3 tsp since i thought it might overpower the drink. Best tip I guess is to use a ripe/very ripe banana if you’re after that sweet taste without additional sweetener.

    1. Aww! So sorry to hear that Denny. Most of the ingredients are not sweet (except the 1/2 banana) and cacao can be bitter to many people, so I get it! This recipe is designed to boost your metabolism and help curb cravings later on by not spiking your blood sugar. However, if you’re looking to make this smoothie sweeter, using Medjool dates is a great way to add that sweetness without using refined sugar.

      You may want to try our Chocolate Strawberry Smoothie or our Chocolate Peanut Butter Smoothie if you’re looking for something a bit more decadent. Thanks for the honest feedback!

  8. 5 stars
    Great recipe! Really didn’t think I would like the cayenne, but it has a great taste! Can you tell how well they taste if made before hand? How does it take if it was frozen? I am thinking about making more than one since thr recipe calls for 1/2 a banana – so making more than 1 at a time and freezing it or saving it for the next day. Thanks!

    1. Hi Wendy,
      That’s a really great question! My recommendation for smoothie prep is to make smoothie packs.
      So, rather than blend the smoothies and then freeze (you can lose some of the amazing plant-based nutrients and benefits), I would put your smoothie ingredients (minus the liquid base and pantry items) into a freezer bag, mason jar or other air-tight storage container of your choice and stick those packs in your freezer.
      Then, whenever you’re ready for them, dump it into your blend, add the liquid base and blend away!
      Still saves you lots of time and the leftover smoothie ingredients won’t go to waste!
      If you’d like, we have a whole article about prepping smoothies that you can check out —> How to Meal Prep Smoothies

    2. 5 stars
      I really enjoy this smoothie! I’m trying it as a meal replacement once a day, so we’ll see how that goes! I’ve had a hard time losing the extra baby weight since my daughter has never been a good sleeper, so I’m always tired. My diet is very alkaline and I go on hiking trails with her at least twice a week, but I’m hoping this smoothie will give me the extra boost I need to lose some weight.

  9. Will it give me the same results if I don’t do spinach and the cayenne pepper?

    1. Cheyenne, that’s a great question. While the spinach is full of phytonutrients and fiber to minimize any blood sugar spikes from the natural sugars in the smoothie you can also get some of the same benefits from other greens such as kale, arugula, swiss chard, romaine lettuce, beet greens, carrot tops, collard greens, or celery to name a few. As for the cayenne pepper it helps curb your appetite and boost you metabolism naturally. Some swaps you could try would be matcha powder, chia seeds, or even avocado.

  10. I have diverticulitis and have to be careful eating things that have seeds. What can I exchange for the hemp hearts?

    1. Hey Cindy,
      That’s a great question! Lots of the suggested substitutions for hemp hearts are other seeds, so I def wouldn’t recommend that to you. You could absolutely omit the hemp hearts in this recipe. I bet it would still be every bit as delicious! Maybe add a different nut butter to add a little extra nutty flavor – my second favorite nut better is sunflower seed butter or Sun Butter (brand).

    2. Hulled hemp hearts are an option…same benefits, easily digested without running the risk of them getting hung up in the intestinal tract.

    1. 5 stars
      Loved this smoothie. The recipe didn’t indicate how much cayenne pepper to use so I took a wild guess and used the same amount as the cinnamon 1 tsp. Probably a little too much but it wasn’t so strong that I couldn’t stomach it! Maybe you could add the amount to the recipe for future smoothie fans:) Thanks for this smoothie… delicious!

      1. Wow, Robin I’m glad it wasn’t too spicy for you. Yes, we’ll def add that information. For most recipes calling for cayenne pepper we recommend to taste as everyone can handle a different level of spice.

  11. I’d love to try these but they all have almond butter or almond milk in them and I’m highly allergic to peanuts, tree nuts, cashews ect. I know I can replace the almond milk with oat but what can I use to replace the almond butter that would have the same effect and mix well into the smoothie I’m not much of a cooker but I’m trying to get healthier and loose weight

      1. 1,000% YES! Great suggestion, Kim! Sunbutter is incredible! Great recommendation.

      1. Hey Kay – great suggestion! Sunflower seed butter totally works for this recipe. Feel free to swap sunflower seed butter any time a different nut butter is used. 🙂