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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:
Last question for now lol , so do i have to use more ingredients than i would for a single serving? My blender will make at least 2-3 servings at once.
Keona, we want to help make green smoothies quick and easy for you so keep those questions coming if you need to! (We aren’t Difficult Green Smoothies, after all! 😀 ) Let’s say you want to make 3 servings at once. Take the recipe, multiply the ingredients by 3, add them to your blender and blend away. Then, divide your smoothie among 3 air-tight containers (we love mason jars for this). If you’re making them for that day or the next day, they are ok to store in the fridge. If you are making them for later in the week, then def store them in the freezer. So you could put 1-2 in the fridge and the rest in the freezer.
Hello , how do i make a week supply (7 days) without having to make it one smoothie at a time? I work crazy hours so i don’t have time to make one everyday
Hey Keona! You can do a couple things: 1. Prep a week’s worth of smoothies and put your prepped bags/containers in the freezer. When you’re ready for each day’s smoothie, take one out of the freezer, blend it and enjoy! 2. Blend a week of smoothies, put them in freezer-safe jars or containers, store them in the freezer, and take one out each day to drink. (Remember to account for time to allow the smoothie to thaw.) 🙂
So do i make them one at a time ? Using the steps ?
Depending on the size of your blender, you can make multiple servings (3-5 or more) at a time and then divide them among your mason jars or other airtight containers. Or you can prep and cut up all the fruits and veggies and make your freezer bags in assembly-line style.
Hello is there a way i can do these smoothies as a juice? My husband likes juices and not smoothies , i enjoy the smoothies
Hey Keona! I’d say probably just put the ingredients in a juicer. But I do want to go over a few pieces of juicing vs. blending info for you:
There are definitely arguments for both methods. What we can agree on is that blending and juicing are great ways to give your body incredible nutrients. Juicing will give you a more concentrated serving of nutrients, which can be a good and bad thing. This means that if a fruit has vitamin C in it, you’ll get much more vitamin C by extracting the juice because you need to use more fruit to get a full glass. The downside is that you aren’t getting the WHOLE fruit. You’ll be missing out on the fiber and all the other nutrients housed in the fleshy parts of the fruit. Blending gives you the whole fruit. Your body will be receiving ALL the nutrients. We also think that blending is less complicated than using a juicer, which is the primary reason we choose blending. We are, in fact, Simple Green Smoothies. 🙂
For more info on the two, check out this article: https://simplegreensmoothies.com/juicer-vs-blender
Hiya
Am a newbie to green smoothies am on medication so can’t take grapefruit will this affect the calorie loss if I sub an orange.
Also do I need to drink this everyday to see the benefits am trying to figure out what is the best ones to use for weight loss they also will be replacing my breakfast advice appreciated
Thanks
Hi Maeve! You can definitely sub an orange for the grapefruit in this smoothie, many folks have done that. It will affect the way the smoothie works a little bit. Keep all the other ingredients the same and you should be fine.
You can drink this smoothie each morning for breakfast if you like. Some folks like to have the same thing every day and some like to mix it up. We have a ton of other great recipes if you don’t want to drink the same thing every morning. Check out this post on Breakfast Smoothies for Weight Loss (https://simplegreensmoothies.com/breakfast-smoothies-for-weight-loss) and this one on Healthy Snacks for Weight Loss (https://simplegreensmoothies.com/healthy-snacks-for-weight-loss).
Hi there..
Can i swop the avo with something else?
Hey Liezl-ann! You can use banana in place of avocado but I’d suggest using a slightly green banana to keep the sugar content lower.