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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:
Thank you for video sharing your delicious loosing weight smoothie. I am sure it’s delicious I will try myself too.
Stay safe thank you
Sophie
You’re welcome, Sophie!
Hello! I “just” had my second baby (7 months ago) and I am really struggling with my weight. I am also breastfeeding, which makes me super hungry ALL THE TIME. This smoothie looks delicious! Would you recommend using it as a meal, or as a snack? How many would you recommend having in one day? Thank you!
Hey Donna! First, congrats! 😀
It *is* a delicious smoothie and I would drink it as a snack. If you want to have it as a meal, add some chia seeds or other form of plant-based protein to make sure you are getting a complete meal. We just introduced our very own protein powder called homemade protein powder. You should check it out! (simplegreensmoothies.com/smoothie-boost)
Most folks drink one smoothie a day (usually with or for breakfast) but if you wanted to have a second one for lunch/dinner/afternoon snack, you can def do that! 🙂
Thank you so much! I’m new to the smoothie game, so I’m very excited to try this out. Will be swapping cinnamon or the cayenne. Thanks again!
You’re very welcome!
Ok great smoothie recipe! However, I am a Consultant Nutritionist (UK NHS) and can confirm that caffeine is a stimulant and can lead to heart palpitations, renal complications and so on which is not good for the body especially if we are talking about being healthy. So could the plants not be perfect on their own and we boost the energy(sugar)/fat burning mode by exercising instead??
One serving of this smoothie contains 1/2 cup of green tea, and we love green tea for its wonderful antioxidant properties. The amount of caffeine in green tea is rather small compared to coffee or caffeinated soft drinks and because there is only 1/2 cup in this recipe, it’s quite minimal. (Also, tea comes from plants 😉 ) If you would like to leave the green tea out, you can substitute filtered water or coconut water. And we are always proponents of exercise, as an active lifestyle + a plant-based diet go hand-in-hand.
Would adding protein powder to smoothies be more beneficial?
Hey Kayla! It depends on what you’re looking to get out of your smoothie and whether you’re drinking it as a snack or a full meal. I might not add protein powder to this smoothie but that’s really a personal preference and you certainly could add some.
*And* if you’re looking for an awesome protein powder and haven’t heard yet, we have a brand new protein powder that just went on sale last Tuesday! You def need to check it out: https://simplegreensmoothies.com/homemade-protein-powder
I really like what I’m reading. I am a breast cancer survival of month now and looking for some healthy ways to loose weight. and this sounds so great n healthy. any more idea and advice for me?
I also make a double batch each time, so it’s technically half an apple per serving, but yeah. Forgot to mention that.
Thanks for clarifying!