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I’ll say this upfront: no smoothie burns fat while you sit there drinking it. What this smoothie actually does is keep you full, cut down on mindless snacking, and make it easier to stick with your goals — which, over weeks and months, is what actually transforms the bod.
I crafted this fat-burning smoothie around a few ingredient combos that show real research support for fullness and blood sugar, then made sure it actually tastes good enough that I’d drink it often. That’s the whole strategy. If your goal this season is to slim down, start here — this recipe is one of our top-rated weight loss smoothies.
Ingredients in Fat-Burning Smoothie
- Kale: the fiber and bulk in this smoothie — barely tastes like anything once it’s blended with the fruit.
- Cucumber + celery: mostly water, so they stretch the smoothie into a bigger, more filling glass without adding many calories.
- Chia seeds: they swell up and thicken the smoothie, plus add a bit of staying power between the fiber and plant-based fat.
- Grapefruit: brings natural sweetness and the fullness benefit noted above. Removing the inner membrane before blending cuts most of the bitterness.
- Green tea: swapped in for plain water as the liquid base, so you get a little natural caffeine along with the antioxidants.
- Pineapple: balances out the grapefruit’s tartness and makes the whole thing taste more like a treat than a health food.
- Protein powder: added at the end so it blends without turning gritty — this is what turns the smoothie into something that holds you until lunch instead of an hour.
More Ingredient Combos
- Cacao + almonds: cacao’s flavanols are an active research area (including work published in BMJ) — and more importantly, chocolate that’s actually good for you makes a routine you’ll keep.
- Oats + blueberries: oats are the fiber workhorse of this whole list. The blueberry belly-fat study you may have seen was done in rats — promising, not proof — but berries + oats is a fullness combo I’d bet on regardless.
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How to Make Fat-Burning Smoothie
Of all the recipes I’ve created, this is the one I come back to: greens, fiber, and superfoods that curb my cravings and keep me energized until lunch. Five minutes, one blender — here’s how:
- Fill your blender with kale, cucumber, celery, chia seeds, grapefruit and chilled green tea.
- Puree until smooth.
- Add frozen pineapple. Remove the grapefruit’s inner membrane to cut bitterness — or swap in orange + lemon.
- Blend on high speed until combined (about 30 seconds).
- Add one serving protein powder and blend on low speed just to mix.
- Pour into a glass and serve chilled.
Common Questions
It’s best fresh, but you can store it in an airtight container in the fridge for a few hours. Give it a good shake before drinking since the chia seeds will settle.
Yes, though it won’t hold you as long. If you skip it, consider adding a spoonful of nut butter or extra chia seeds for staying power instead.
Orange and lemon together give you a similar tart-sweet balance without the bitterness, if grapefruit isn’t your thing.
Fat-Burning Smoothie
Jen HansardVideo
Ingredients
- 1 cup kale
- 1 cucumber chopped
- 1 tablespoon chia seeds
- ½ grapefruit peeled and seeded
- 1 stalk celery chopped
- ½ cup green tea chilled
- 1 cup pineapple frozen
- 1 serving whey protein isolate
Instructions
- Place kale, cucumber, chia seeds, grapefruit, celery and green tea into blender.
- Puree on high-speed until smooth.
- Add frozen pineapple to blender. Blend again on high-speed until everything is pureed.
- Add one serving protein powder and blend on low.
- Pour into a glass and enjoy!
Recipe Notes
- On medication? Grapefruit interacts with some prescriptions — swap in orange or clementine
- Pith power: 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 peel before using.
- Vegan? Swap whey protein with homemade protein powder or preferred powder.
- Prep ahead: chop the kale, cucumber, and celery and freeze in a bag so this comes together even faster on busy mornings.
- Adjust the tartness: if grapefruit is too bitter for you even after removing the membrane, start with half a grapefruit and add more to taste.
- Serve it cold: this one’s best straight after blending, over ice if you like it extra chilled — the texture gets watery if it sits too long.
Nutrition
Equipment
Dietary Adjustments & Substitutions
Need to swap an ingredient or accommodate a food allergy? Click the button below for tailored suggestions just for you:
Hi Jen,
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Cheers,
Gabriela
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Hey Gabriel,
Thank you so much for sharing that with us. Cannot wait to check it out!!
Cheers!!
What is the calorie count for this smoothie?
Hey Tiffany,
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.
what can i substitute for the avocado? i can’t do banana either….
thank you
Hey Karen,
Oh bummer those are my two favorite ingredients for my smoothies. You can add some chia seeds to help your smoothie maintain that thickness and still keep you full longer.
I’m trying to eat healthier burn fat and build some additional muscle. Added protein is key for me to do that. As I am working out to help support all that Would this smoothie and added protein also be good for what I’m trying to do
That is so awesome, Ryan! It is very important to make these smoothies work for you and what your body needs.
Is this a meal replacement?
Hey Starsha,
Yes, you can use this as a meal replacement if you are wanting to apply it as a weight loss.
I’m allergic to celery. Is there something I can substitute? Thanks!
Hey Kelley,
I am sorry you are allergic to celery. No worries though because you can substitute it for bok choy or cucumber.
Can’t wait for you to try it 🙂