14 Weight-Loss Smoothies With Real Protein (2026)

Most smoothies for weight loss fail because they are fruit and juice with nothing in them to hold you past mid-morning. Every recipe here starts with 20g or more of protein, stays between 217 and 355 calories, and lists the amounts so the stat line is the sum of what goes in the blender.

Updated October 2026·10 min read·By Romaine Rusnak, RD, LDN
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The short answer

The best smoothies for weight loss carry 20g or more of protein, 3g or more of fiber and 200 to 400 calories, because protein and fiber are what make a drink hold until the next meal. The raspberry chia Greek yogurt smoothie leads at 28g of protein and 12g of fiber for 283 calories, and a scoop of Shakez with skim milk and cold brew is the most protein per calorie at 29g for 217.

1

Raspberry Chia Greek Yogurt Smoothie

Best overall
283 cal · 28g protein · 12g fiber · 16 oz

Blend 1 cup of nonfat Greek yogurt, 1 cup of raspberries, 1 tablespoon of chia seeds, a half cup of unsweetened almond milk and ice. The yogurt carries 24g of protein for 146 calories, the raspberries 8g of fiber for 64, and the chia 4g of fiber and 2g of protein for 58. Nothing else here reaches 12g of fiber.

Why it works

  • 28g of protein, 12g of fiber, 283 calories
  • Most fiber per calorie of any common fruit
  • No powder, no cooking

Watch for

  • Flavored Greek yogurt adds 10g or more of sugar
2

Vanilla Blueberry Cauliflower Smoothie

Best fruit smoothie
295 cal · 29g protein · 5g fiber · 16 oz

One scoop of Vanilla Milkshake Shakez, 1 cup of skim milk, 1 cup of frozen blueberries and a half cup of frozen riced cauliflower. The scoop and the milk clear 28g of protein before the fruit goes in, the blueberries add 4g of fiber for 79 calories and the cauliflower a gram more for 13. Of the best fruit smoothies for weight loss, this one drinks like a milkshake.

Why it works

  • 29g of protein with 1g of total sugar from the powder
  • Cauliflower replaces a banana for 90 fewer calories
  • 4g of fiber from the blueberries

Watch for

  • Use frozen cauliflower, since raw tastes like cauliflower
Shop Shakez Protein Powder
3

Brownie Batter Cold Brew Mocha

Most protein per calorie
217 cal · 29g protein · 2g fiber · 16 oz

One scoop of Brownie Batter Shakez, 1 cup of skim milk, a half cup of cold brew, 1 tablespoon of unsweetened cocoa and a cup of ice. At 29g of protein for 217 calories it is the leanest drink here by a wide margin. It gives up fiber to the two above it and hands back 66 to 78 calories.

Why it works

  • 29g of protein for 217 calories, the best ratio here
  • Replaces a 350-calorie coffee-shop mocha
  • Five ingredients, 90 seconds

Watch for

  • 2g of fiber is the lowest on the list
Shop Shakez Protein Powder
4

Orange Creamsicle Cottage Cheese Smoothie

Best without powder
275 cal · 29g protein · 3g fiber · 16 oz

A half cup of 2% cottage cheese, a half cup of nonfat Greek yogurt, one peeled medium orange, a half cup of skim milk, a half teaspoon of vanilla and ice. The cottage cheese and yogurt bring 12g of protein each, the milk 4g, and the whole orange 3g of fiber for 62 calories. It ties the mocha at 29g with no powder.

Why it works

  • 29g of protein, no powder
  • A whole orange keeps the fiber juice loses
  • Tastes like the ice cream truck version

Watch for

  • About 350 to 450mg of sodium per half cup of cottage cheese
5

Vanilla Pumpkin Pie Smoothie

Best fall flavor
245 cal · 23g protein · 5g fiber · 16 oz

One scoop of Vanilla Milkshake Shakez, 1 cup of unsweetened almond milk, a half cup of canned pumpkin, half a frozen banana and a half teaspoon of pumpkin pie spice. The pumpkin carries about 3.5g of fiber for 42 calories and the half banana 1.5g more for 53. It trails the creamsicle by 6g of protein and beats it by 2g of fiber.

Why it works

  • 5g of fiber at 245 calories
  • Canned pumpkin is 3.5g of fiber for 42 calories
  • One can covers four smoothies

Watch for

  • Pie filling adds 25g or more of sugar per half cup, so buy pure pumpkin
Shop Shakez Protein Powder
6

Strawberry Shortcake Spinach Smoothie

Best under 250 calories
234 cal · 23g protein · 3g fiber · 16 oz

One scoop of Strawberry Shortcake Shakez, 1 cup of unsweetened almond milk, 1 cup of frozen strawberries and 1 cup of fresh spinach. The strawberries supply 3g of fiber for 77 calories, and the spinach adds 7 calories, a gram of protein and just under a gram of fiber you will not taste. Start here if you have never put a vegetable in a blender.

Why it works

  • 23g of protein for 234 calories
  • A cup of spinach disappears behind the strawberries
  • Four freezer and fridge staples

Watch for

  • 3g of fiber, so it is a snack, not a meal
Shop Shakez Protein Powder
7

Pineapple Avocado Green Yogurt Smoothie

Best green smoothie
292 cal · 26g protein · 5g fiber · 16 oz

One cup of nonfat Greek yogurt, 1 cup of frozen pineapple, a quarter of a medium avocado, 1 cup of fresh spinach and a half cup of water. The yogurt carries 24g of protein, the pineapple about 2g of fiber for 82 calories, and the avocado 2g more for 57. Most green smoothies run on juice and land near 5g of protein. This one lands at 26g.

Why it works

  • 26g of protein in a green smoothie with no powder
  • A quarter avocado adds creaminess for 57 calories
  • Pineapple covers the spinach completely

Watch for

  • A whole avocado pushes it past 450 calories
8

Brownie Batter Peanut Butter Banana Smoothie

Best dessert swap
315 cal · 28g protein · 5g fiber · 16 oz

One scoop of Brownie Batter Shakez, 1 cup of unsweetened almond milk, one medium frozen banana and 2 tablespoons of powdered peanut butter. Powdered peanut butter is the trick, with 6g of protein and 2g of fiber for 60 calories where the jar would cost 190 for the same two tablespoons. The banana adds 3g of fiber and all the sweetness it needs.

Why it works

  • 28g of protein, chocolate and peanut butter
  • Powdered peanut butter saves about 130 calories
  • A frozen banana thickens it without ice

Watch for

  • Regular peanut butter in the same amount takes it to 445 calories
Shop Shakez Protein Powder
9

Vanilla Mango Green Smoothie

Best with greens powder
256 cal · 23g protein · 3g fiber · 16 oz

One scoop of Vanilla Milkshake Shakez, 1 cup of unsweetened almond milk, 1 cup of frozen mango, 1 cup of fresh spinach and a squeeze of lime. Mango brings about 2.5g of fiber for 99 calories and all the sweetness needed. If you keep Superfoodz on the counter, this is the one to stir a serving of greens powder into, since mango and lime cover the taste.

Why it works

  • 23g of protein in a tropical flavor that hides greens
  • Lime keeps the mango from tasting flat
  • A serving of Superfoodz blends in unnoticed

Watch for

  • Mango is the most calorie-dense fruit here per cup, so measure it
Shop Shakez Protein Powder
10

Strawberry Oat Meal-Replacement Smoothie

Best meal replacement
355 cal · 31g protein · 5g fiber · 18 oz

One scoop of Strawberry Shortcake Shakez, 1 cup of skim milk, a quarter cup of dry rolled oats and 1 cup of frozen strawberries. The highest protein on the list at 31g, with 20g from the scoop, 8g from the milk and about 3g from the oats. The oats add 2g of fiber and 75 calories, which is why this one stands in for breakfast rather than a snack.

Why it works

  • 31g of protein, the most on this list
  • Oats add staying power fruit alone does not
  • Under 360 calories as a full breakfast

Watch for

  • Oats thicken as they sit, so drink it within 10 minutes
Shop Shakez Protein Powder
11

Blueberry Kefir Flax Smoothie

Best tangy option
293 cal · 23g protein · 6g fiber · 16 oz

One cup of plain low-fat kefir, a half cup of nonfat Greek yogurt, 1 cup of frozen blueberries and 1 tablespoon of ground flaxseed. Kefir alone stalls near 9g of protein per cup, so the Greek yogurt is what lifts the drink to 23g. The blueberries bring 4g of fiber for 79 calories and the flaxseed 2g more for 37, tied for the second-highest fiber here.

Why it works

  • 6g of fiber, second only to the raspberry chia smoothie
  • Kefir pours without added liquid
  • Flaxseed adds 2g of fiber for 37 calories

Watch for

  • Flavored kefir adds 15g or more of sugar per cup
  • Buy flaxseed ground, since whole seeds pass through unbroken
12

Peaches and Cream Cottage Cheese Oat Smoothie

Best cottage cheese pick
315 cal · 26g protein · 4g fiber · 18 oz

Three quarters of a cup of 2% cottage cheese, 1 cup of fresh sliced peaches, a half cup of skim milk, a quarter cup of dry rolled oats and a pinch of cinnamon. The cottage cheese supplies 18g of protein for 138 calories, most of it casein, the slow-digesting milk protein. Peaches add about 2g of fiber for 60 calories and the oats 2g for 75.

Why it works

  • 26g of protein with a creamy texture
  • Casein digests slowly, so the fullness lasts
  • Frozen peaches are cheap year round

Watch for

  • Three quarters of a cup of cottage cheese carries 500mg or more of sodium
13

Chocolate Peanut Butter Banana Yogurt Smoothie

Best classic combo
316 cal · 25g protein · 4g fiber · 16 oz

One cup of skim milk, a half cup of nonfat Greek yogurt, 1 tablespoon of peanut butter, half a frozen banana and 1 tablespoon of unsweetened cocoa. The milk and yogurt carry 20g of protein for 156 calories, which is why this works where a diner version does not. The peanut butter adds about 4g of protein and 95 calories, and the banana and cocoa split the 4g of fiber.

Why it works

  • 25g of protein before the peanut butter
  • Half a banana sweetens the cocoa
  • Real peanut butter, measured level

Watch for

  • A second tablespoon of peanut butter pushes it past 400 calories
14

Chocolate Cherry Silken Tofu Smoothie

Best dairy-free
304 cal · 22g protein · 6g fiber · 16 oz

Three quarters of a cup of firm silken tofu, 1 cup of unsweetened soy milk, 1 cup of frozen pitted sweet cherries and 1 tablespoon of unsweetened cocoa. Silken tofu blends to a pudding texture with about 13g of protein for 115 calories, and the soy milk adds 7g for 80. The cherries bring 3g of fiber for 97 calories and the cocoa 2g for 12. It is the only recipe with no dairy and no powder.

Why it works

  • 22g of plant protein with no dairy and no powder
  • Pudding texture without a banana
  • 6g of fiber from cherries and cocoa

Watch for

  • Almond or oat milk in place of soy drops the protein to about 16g

At a glance

ItemCaloriesProteinFiberBest for
1. Raspberry Chia Greek Yogurt Smoothie28328g12gBest overall
2. Vanilla Blueberry Cauliflower Smoothie29529g5gBest fruit smoothie
3. Brownie Batter Cold Brew Mocha21729g2gMost protein per calorie
4. Orange Creamsicle Cottage Cheese Smoothie27529g3gBest without powder
5. Vanilla Pumpkin Pie Smoothie24523g5gBest fall flavor
6. Strawberry Shortcake Spinach Smoothie23423g3gBest under 250 calories
7. Pineapple Avocado Green Yogurt Smoothie29226g5gBest green smoothie
8. Brownie Batter Peanut Butter Banana Smoothie31528g5gBest dessert swap
9. Vanilla Mango Green Smoothie25623g3gBest with greens powder
10. Strawberry Oat Meal-Replacement Smoothie35531g5gBest meal replacement
11. Blueberry Kefir Flax Smoothie29323g6gBest tangy option
12. Peaches and Cream Cottage Cheese Oat Smoothie31526g4gBest cottage cheese pick
13. Chocolate Peanut Butter Banana Yogurt Smoothie31625g4gBest classic combo
14. Chocolate Cherry Silken Tofu Smoothie30422g6gBest dairy-free

Frequently asked questions

Does Drinking Smoothies Help You Lose Weight?

Only when the smoothie replaces a meal or snack of equal or greater calories and carries enough protein to hold you until the next one. Liquid calories fill you less than the same calories chewed, so a 300-calorie smoothie on top of your normal meals works against you. Every recipe above is built as a measured replacement.

What Makes a Smoothie Good for Weight Loss?

A good smoothie for weight loss has three numbers: 20g or more of protein, 3g or more of fiber and roughly 200 to 400 calories. The protein comes from a measured source like Greek yogurt, cottage cheese, silken tofu, milk or a scoop of protein powder, since fruit and juice alone top out near 3g. Fiber from whole fruit, chia, oats or pumpkin makes it last.

Are Chia Seeds Good for Weight Loss?

Chia seeds are a dense fiber source, not a weight-loss ingredient on their own. One tablespoon carries 4g of fiber and 2g of protein for 58 calories and absorbs many times its weight in liquid, which thickens a smoothie and slows how fast you drink it. Count the 58 calories, since two heaping tablespoons reach 150.

Which Fruit Is Best in a Smoothie for Weight Loss?

Raspberries, with 8g of fiber for 64 calories per cup, then blueberries at 4g for 79 and strawberries at 3g for 77. Banana and mango bring more sweetness and about 100 calories per cup for 3g of fiber, so use half portions or pair them with frozen cauliflower or spinach. Whole fruit beats juice because the fiber stays in the glass.