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I’m Jen Hansard, mom of two, ultra runner and lover of green smoothies, coffee & tacos. I took my family's health into my own hands while broke and without health insurance...and have helped 1 million+ other families along the way.

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Fat Burning Smoothie To Boost Your Metabolism

Make fat cry by adding this Fat Burning Smoothie into your daily routine and to ramp up the effects of your workout and help boost your metabolism! This recipe is part of our FREE 3-Part Fuel you Metabolism Workshop.

I ardently believe that what we put into our bodies matters. That means the food we eat, the beverages we drink, the supplements, vitamins, and medication we take, and the things we don’t eat, drink, or ingest.

All of those things either help or hinder us.

I fall in love with a plant-based diet when I lost the weight and gained energy without even trying. I was just drinking smoothies and eating meals that were rich in fresh fruits and vegetables, nuts and seeds. (meat, eggs and dairy are more of a condiment that go with my plant-powered meal). 

I wanted to share my fat burning smoothie recipe in here too— so you can see just how incredible a smoothie can be. But first…

Fat Burning Smoothie Recipe using Grapefruit and Pineapple | Simple Green Smoothies

The Balancing Act: Healthy Eating, Exercise, and a Little Indulgence Too!

For most of us, there’s a balance between the good things and the not-so-good things. (I’m talking to you, French fries with my veggie burger.) My point is, it’s hard to always eat healthy. Which is why I host a quarterly cleanse, where I give you a structured meal plan to focus on eating the foods that will help us feel the best.

Learn more about my Plant-Based 7-Day Cleanse.

There are special occasions when we want to indulge, it’s hard to eat healthy all the time when traveling. You know the drill. We do our best. And I don’t believe in punishing ourselves for enjoying a treat now and then.

What I’m a big proponent of is eating healthy as much as possible and participating in a regular exercise routine. That looks different for all of us with our varied interests, schedules, time constraints, and lifestyles. There’s nothing that will help boost your metabolism more than exercising and building up muscle.

More muscle means more fat-burning capabilities. So when we’re talking about boosting up your metabolism, exercise goes hand in hand with healthy eating. Certain foods have fat-burning and metabolism-boosting abilities and adding them into your diet can help magnify weight-loss efforts. I’m a huge fan of smoothies, especially when I can use natural ingredients to transform it into a weight loss smoothie.

Fat Burning Smoothie Recipe | Simple Green Smoothies

Foods for Burning Fat and Boosting the Metabolism

Our body needs proper fuel to keep up with the demands of daily activities. It’s important that the calories we consume, especially if we’re trying to lose weight, gain muscle, or just improve our performance, are quality calories.

What does that mean? It means that they need to tick off several boxes: healthy fats, protein, complex carbs, vitamins and minerals, and/or a combination of all of the above. A fat burning smoothie, which I’ll show you how to make below will take you along way!

A protein bar may be high in calories and full of nutrition, but it won’t fill you up in the same way a plate of salmon, brown rice, and steamed veggies will. But a high-quality (preferably homemade) protein bar can give you the energy you need to power through a workout or recover from one.

A Good Sweat + Proper Fuel = results

When we exercise (I’m including cardio, endurance running, weight lifting, and things like Cross Fit), we do burn calories, but if our muscles are in need of nutrition, they’ll go for the easiest source first… and that’s not necessarily going to be body fat. Give your body energy (i.e. high quality calories) to power it through a workout. The workout will in turn help build more muscle, which burns more calories (i.e. fat) the rest of the time. See how nicely that works? It’s a beautiful thing!

These are some foods you can blend into a weight loss smoothie if you’re trying to boost your metabolism and burn fat:

  • Nuts – whole, preferably raw and unblanched (almonds, walnuts, pecans); good fats and protein; almonds contain L-arginine (an amino acid) that when used pre-workout can help the body burn more fat
  • Eggs – high in protein which helps boost metabolism; the body digests the protein and uses the fat and calories for fuel
  • Berries – low in sugar but still sweet, high in fiber, high in antioxidants; helps burn fat; can help to improve blood flow
  • Apple cider vinegar – the acetic acid in ACV helps with blood sugar levels
  • Fatty fish like salmon, tuna, mackerel, and sardines – protein to help build muscles, anti-inflammatory omega-3 fatty acids that help the body burn fat for fuel
  • Grapefruit –high in phytochemicals that stimulate the production of the hormone adiponectin which helps the body break down fat
  • Green and white tea – caffeine in tea gives a natural boost of energy’ antioxidants in tea may help accelerate fat-burning by aiding the liver in converting fat to energy
  • Chili peppers – capsaicin, the compound found in pepper aids the body in converting food to energy and abdominal fat loss; also works as a natural appetite suppressant
  • Spinach + other leafy greens – chock full of vitamins and minerals and fiber
  • Whole grains – like oats and brown rice; high fiber; slow-burning to keep you fuller, for longer and fuel the body
  • Coconut oil and olive oil – healthy fats that help you feel satisfied when they are consumed; coconut oil is easily digested for quick energy
  • Avocado – healthy fats, fiber, and vitamins, particularly B6 which counteracts cortisol, a stress hormone that contributes to weight gain via belly fat stores
  • Flaxseed – high in omega-3 fatty acids
  • Cinnamon – polyphenols (powerful antioxidants) boost the metabolism and help regulate blood sugar
  • Watermelon and tomatoes– rich in beta-carotene (form of vitamin A) and lycopene (good for the heart and help discourage fat storage), hydrating, high in fiber
  • Pears and apples – high in fiber plus contains pectin; helps keep you fuller for longer and naturally sweet
  • Grapes – high water and fiber content
  • Celery – very high fiber, uses more energy to digest than it provides (i.e. negative calories)
  • Dark chocolate – 70%+ cacao content is the important part; cacao contains high concentrations of polyphenols that push the body to burn fat


Fat Burning Smoothie Recipe

This weight loss smoothie is a little more hardcore than our other recipes, but we believe it will help you see results more quickly when combined with an exercise program. We hope you give it a shot and love the results as much as we do. Happy blending!

Fat Burning Smoothie Recipe with avocado and other plant-based ingredients | Simple Green Smoothies

Fat Burning Smoothie

  • Author: Jen Hansard
  • Prep Time: 3 minutes
  • Cook Time: 2
  • Total Time: 5
  • Yield: 2 servings 1x
  • Category: Breakfast, Snack
  • Method: Blending
  • Cuisine: Plant-based


Make fat cry by adding this fat burning smoothie into your day. The natural ingredients are paired together to help boost your metabolism and burn fat in one delicious weight loss smoothie.



  • 2 cups spinach
  • 1/4 cup fresh mint leaves
  • 2 stalks celery (chopped)
  • 1 cup brewed green tea (cooled)
  • 1 large grapefruit (peeled and seeded)
  • 2 cups pineapple chunks (frozen)
  • 1/2 large avocado
  • 1/8 teaspoon ground cayenne pepper (optional)


  1. Place spinach, mint, celery, and green tea into blender.
  2. Puree until smooth.
  3. Add remaining ingredients.
  4. Blend again.


  • The pith and peel of the grapefruit are extremely bitter, but are beneficial in small amounts. To lessen the bitterness of the grapefruit, remove the fruit from the inner membranes as well as peeling before using.


  • Serving Size: 2

Keywords: fat burning smoothie, weight loss smoothie, grapefruit smoothie, summer smoothie

21-day cleanse: $49

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  1. Stephanie

    February 12th, 2018 at 8:48 pm

    I see that the serving is 2, are you suggesting to drink smoothie twice a day ?

  2. SGS Rawkstar Amanda

    February 20th, 2018 at 11:54 pm

    Hi Stephanie,

    Yes, so many of the recipes you find on our site are for 2 servings. And how you enjoy them is completely up to you. You can drink two smoothies a day, share one with a friend, or save your smoothie in an airtight container for the next day. Our recipes will keep in an airtight container for up to two days. Adding a small amount of lemon juice can help preserve all of their green goodness too!

    Personally, I usually enjoy my first servings as a breakfast meal replacement and then keep the second serving on hand as a quick go-to during that 2pm low.

  3. Norabel

    February 22nd, 2018 at 9:34 am

    Do you have any recommendations for an herbal tea to substitute in place of the green tea? Or would I be better off just using water?

  4. SGS Rawkstar Amanda

    February 27th, 2018 at 9:23 pm

    Hi Notabel,

    Using filtered water can be an easy swap. Dandelion Root tea is another yummy + detoxing option!

  5. Melissa Bevan

    February 22nd, 2018 at 9:56 am

    I was wondering what I can subsitiute for the Pineapple, as I have an allergy to it? But I still would like to get the benefits of this smoothie.

  6. SGS Rawkstar Amanda

    February 27th, 2018 at 9:22 pm

    Hi Melissa,

    Allergic to pineapple? I’ve got you covered! Some great swaps are oranges, mangoes, + peaches. Or pull from the list of metabolism boosting ingredients above!!

  7. Catrina

    February 22nd, 2018 at 10:37 am

    Would it be possible to add beet roots?

  8. SGS Rawkstar Amanda

    February 23rd, 2018 at 1:21 pm

    Hi Catrina,

    Of course! We love blendin’ with beets and other root vegetables! Learn more about our favorite beet smoothies here…


  9. karen

    February 22nd, 2018 at 3:40 pm

    what can I substitute for the avocado? thx

  10. SGS Rawkstar Amanda

    February 23rd, 2018 at 1:21 pm

    Hi Karen,

    Lookin’ to swap out the avocado. Simply add another healthy fat you enjoy! Here are a few of our favorites…


  11. João Vieira

    February 23rd, 2018 at 8:34 pm

    My favorite =D

  12. SGS Rawkstar Amanda

    February 27th, 2018 at 9:17 pm

    YAY!!! 🙂

  13. Iman

    March 12th, 2018 at 6:32 pm

    What is the approx calorie count per serving?

  14. SGS Rawkstar Amanda

    March 30th, 2018 at 10:27 am

    Hi Iman,

    We personally don’t count calories, so we don’t include them in our recipes at this time. You’ll find that when you consume more nourishing whole fruits and veggies, you will not only feel full longer, but you’ll also have lessened cravings for high-calorie, nutritionally empty foods. So in the end it balances out. But we know many people would like to have calorie info. Three great resources for tracking calories are Self Nutrition Data, and the phone apps: My Fitness Pal and Lose It.

  15. Kraig Turner

    March 29th, 2018 at 9:08 am

    Can I swap out the grapefruit for another citrus? I take a medicine that I cannot have grapefruit with…

  16. SGS Rawkstar Amanda

    March 30th, 2018 at 10:26 am

    Hi Kraig,

    You totally can! Check out our Rawkstar Substitution Guide here…


  17. Zebib Tekie

    March 29th, 2018 at 9:22 am

    Thanku u diff need to burn more fat .When I was pregnant went to 84 kg before pregnancy was 54.Now I start to walk for about 2hrs a day I have lost 10kg.i still keep walking uphill some times or just normal walk I am 74kg .need to burn more

  18. SGS Rawkstar Amanda

    March 30th, 2018 at 10:25 am

    Hi Zebib,

    You got this!! It took 9 months to gain that weight, and it will come off at it’s own pace. Personally, I used our Fresh Start cleanse to get back to my pre-baby weight and actually a little lower. You can check out of FREE Spring Cleanse Kit here….


    It was the exact reset my body needed after all of those changes!

  19. Suraiyya Mohammed

    March 29th, 2018 at 11:05 am

    Hmmm. Doesn’t the green tea blocks the absorption of iron from the spinach ?

  20. SGS Rawkstar Amanda

    March 30th, 2018 at 10:02 am

    Hi Surabaya,

    You’re right. Extended green tea drinking can limit your plant-based iron absorption. So while this is still a great smoothie, make sure you’re bringing variety into your day, and blending recipes without green tea too!

  21. marylove

    May 4th, 2018 at 5:53 am

    Thank you for sharing.

  22. Karen

    May 14th, 2018 at 1:42 pm

    If I can’t use grapefruit because of medication restrictions, what can I substitute for that?

  23. SGS Rawkstar Amanda

    May 15th, 2018 at 11:05 am

    Hi Karen,

    Need to avoid grapefruit? I’ve got you covered! Swap in clementine, orange, or tangerine. Ever need a quick substitute? Make sure + check out our Rawkstar Substitution Guide here…


  24. Eva

    May 15th, 2018 at 9:20 pm

    Will definitely add this one to my recipes

  25. SGS Rawkstar Amanda

    May 16th, 2018 at 11:17 am

    KALE YEAH, Eva!

  26. Heike

    May 16th, 2018 at 6:04 am

    Will the sugar not be to high with the grapefruit and pineapple?

  27. SGS Rawkstar Amanda

    May 16th, 2018 at 11:24 am

    Hi Heike,

    Each smoothie has 3 cups of fruit in it, and it is recommended that an adult has 1.5 to 2 cups of fruit a day. When you drink 16oz of our green smoothie recipe you will be meeting, or just under your daily intake for fruit. If you feel like that is too much fruit, feel free to do 2 cups of fruit in each smoothie with 3 cups of leafy greens. Hope that helps. 🙂



  28. Kaneesha L.

    May 19th, 2018 at 12:17 am

    This seems like a recipe that I will like with the exception of celery. I absolutely hate the taste of raw celery, what can I use as a substitute? I looked at the substitution guide but I did not see a replacement for celery.

  29. SGS Rawkstar Amanda

    May 21st, 2018 at 12:37 pm

    Hi Kanessha,

    Cucumber, zucchini, + jicama can all be great swaps for celery. Cucumber is actually one of my favorite veggies for blendin’ – the flavor is so bright + refreshing!!

  30. https://www.youtube.com/watch?v=RnpYh_msuRY

    June 7th, 2018 at 2:51 pm

    Merеly wanna telⅼ that this is handy, Ꭲhanks for taҝing youг tіmᥱ to write this.

  31. Rosie

    June 7th, 2018 at 10:43 pm

    How fast does it take to get you fat burned

  32. SGS Rawkstar Carissa

    January 23rd, 2019 at 12:30 pm

    Hey Rosie,

    We do not have a specific time range when you should see results because everyone is different with their results. A lot goes into it depending on your body specifically and also if you are also working out or adjusting your diet.

    Hope that helps!

  33. Melissa

    June 11th, 2018 at 12:09 am

    Hello how many calories are in ghis

  34. SGS Rawkstar Carissa

    January 23rd, 2019 at 12:31 pm

    Hey Melissa,

    We personally don’t count calories, so we don’t include them in our recipes at this time. You’ll find that when you consume more nourishing whole fruits and veggies, you will not only feel full longer, but you’ll also have lessened cravings for high-calorie, nutritionally empty foods. So in the end it balances out. But we know many people would like to have calorie info. Three great resources for tracking calories are Self Nutrition Data, and the phone apps: My Fitness Pal and Lose It.

  35. https://www.youtube.com/watch?v=_U7PjhU49hg

    June 14th, 2018 at 2:18 pm

    Hello, I enjoy reading alⅼ of your article. Ⅰ wanteԀ to write a little commеnt tⲟ support yοu.

  36. SGS Rawkstar Carissa

    January 23rd, 2019 at 12:27 pm

    Thank you so much for your support! We appreciate that so much 🙂

  37. tim

    June 18th, 2018 at 9:06 pm

    I have high blood pressure and cholesterol and have been investigating starting a detox to start me on the right track. Its just there are so many things out there and i am a bit confused. I am tossing up between this juice smoothie detox and the red drink detox, not sure what to pick. Help please!

  38. SGS Rawkstar Amanda

    July 9th, 2018 at 10:09 pm

    Hi Tim,

    When it comes to detoxing, we like to focus on detoxing with real plant-based meals. We simply remove those potential irritants like gluten, sugar, dairy, and meat. This allows your body to perform at it’s peak capabilities, cleanse your body, and determine what your body loves.

    Learn more about our 7-day and 21-day cleanses here…


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