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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:
What fruit can I substitute with grapefruit ? Thanks
Whether it’s an aversion to grapefruit or a med interaction you’re avoiding – you’re def not alone in needing to swap out the grapefruit Eden! You can use orange, tangerine or clementine instead. Happy blending!
Can i replace the avocado with something else.
We love it when everyone gives new things a try, OJ – so if the avocado isn’t an allergy, you might give it a blend! We promise you won’t even know it’s in there! However, if it is an allergy or you just can’t stomach it, you can totally swap it out. Try MCT oil + flaxseed or adding in some chia seeds to help replace the good fat and fiber we get from avocado.
Is there a replacement that can be used for the mint leaves?
Mint can be tricky to replace, yet the closest we’ve found is it’s cousin basil. If it’s just that peppermint isn’t your jam, you could try one of many other varieties of mint, like spearmint, apple mint or pineapple mint (which would be totally fab in this recipe!). Let us know what you blend and how you liked it!
I can’t remember if I’ve already commented on this recipe…but I had to again, just to be sure! I LOVE this smoothie. What’s funny, though, is I can’t stand grapefruit, and I usually only like celery in soups! But my body was craving not-so-sweet smoothies, so I did a search through the SGS smoothies and came up with this one (admittedly, the “fat burning” part caught my eye too :). I decided to take the plunge and check it out, and it has actually become one of my favorites, which is still a shock to me. It’s light but filling, and I love that you can adjust the sweet-tart ratio by adjusting the grapefruit and pineapple. This one is going in regular rotation.
That is such an awesome discovery Holly! We love, love, love how green smoothies can help us get those foods in that we otherwise wouldn’t eat.
Hi is there any replacement I could use for the avocado?
I just made this shake 5 minutes ago and it is delicious left some of the pith and peel out all I can say is delicious not bitter give this smoothie a try you are going to be surprised thank you !!!!!