Best Low Calorie Protein Powder of 2023: Complete Reviews With Comparisons

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Losing unwanted weight is a challenge many people face, and surprisingly, one of the most effective solutions is protein.

The best low calorie protein powder can boost metabolism and help with appetite control.

At the same time, it ensures that you do not lose any muscle mass. All these features are very helpful if you want a lean and strong body.

However, protein powders are not all created equal. Some are high in calories or carbohydrates, or both.

So how do you know which single product is the best option for weight loss?

To help you make the right decision, here’s a closer look at some of your top buying choices.

Comparison Chart

Designer Lite Low Calorie Natural Protein Powder
LEGION Whey+ Whey Isolate Protein Powder
FITCRUNCH Tri-Blend Whey Protein Powder
TGS All Natural 100% Whey Protein Powder
Gym & Tonic Low Calorie Collagen Protein Powder

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Best Low Calorie Protein Powder Reviews

1. Designer Wellness Designer Lite

Designer Wellness is a company that specializes in a wide range of health-oriented sports nutrition products.

It has been operating for 25 years and is one of the more recognizable names in the fitness industry.

The Designer Lite is a low-calorie protein powder and one of the company’s bestsellers.

This product is for you if you are looking for a nutritional supplement that can help with weight management.


The Designer Lite is very popular among those who live an active and healthy lifestyle.

This is understandable, given all the beneficial effects that it has to offer, including:

  • Low Calorie Content

The key to losing unwanted weight is to create a calorie deficit.

If you burn more than your caloric intake, you are likely to melt away those stubborn fat cells.

To give you a better idea, one pound or around 450 grams of fat is equivalent to 3,500 extra calories. –

Imagine how challenging it would be to lose this weight on your own.

One of the biggest draws of the Designer Lite is that it only has 60 calories, which is lower than most products in the market.

It can help you create the conditions needed for healthy weight management.

  • Excellent Protein Source for All Activity Levels

The goal is to lose unwanted weight, not just to lose weight.

You would not want your muscle mass to shrink as you try to achieve your fitness goals, leaving you weaker than before. With the Designer Lite, this won’t be a problem.

Each serving of this low-calorie protein powder comes with 10 grams of protein and 10 grams of fiber.

In comparison, many others only have the absolute minimum of these nutrients.

On top of this, it contains probiotics for healthy digestion, high values of minerals, and a wide range of vitamins.


  • Can help create a calorie deficit
  • Uses natural ingredients as high-quality protein source
  • Gluten-free
  • Great value for money


  • Limited in terms of flavors

2. Legion Whey+ Grass-fed Whey Protein Powder

Legion Athletics is another company focusing on creating high-quality, premium sports nutrition products using natural ingredients.

Its extensive product portfolio includes protein supplements, stacks, energy boosters, fat burners, and more.

The Whey+ is among the most popular offerings from its selection of whey protein powders.

Whey is the liquid by-product of the cheese-making process.

In comparison, some other brands use protein from flaxseeds, protein from peas, and other real, organic plant-based ingredients.

These are not a complete protein, meaning they do not contain all the essential amino acids.

You should try this product if you are looking for a natural whey protein supplement that can make it easier to generate a calorie deficit and lower blood pressure or blood glucose levels.


Legion Whey+ is a go-to product when it comes to protein powders for weight loss.

It has all the qualities people look for in this type of nutritional supplements, such as:

  • Natural and High-Quality Ingredients

One of the biggest differences between this protein supplement and others is that it uses natural whey protein.

These are isolates from grass-fed cows raised in world-famous Irish dairy farms.

These cows are known for giving milk of exceptionally high quality.

Moreover, the farms are small and sustainable, allowing them to produce some of the healthiest and cleanest milk protein.

  • Sufficient Amounts of Animal-Based Protein per Scoop

If you are looking to up your protein intake and maintain muscle health, Legion Whey+ has you covered.

Each serving comes with 22 grams of protein from animals.

The biggest difference between plant- and animal-based proteins is that plant-based proteins from sources like cranberry seeds, pumpkin seeds, or sunflower seeds lack some essential amino acids. 

You will have everything you need for the muscle recovery process and muscle building, which means you won’t lose muscle mass as you lose weight.

On top of this, Whey+ is rich in essential amino acids, which are the building blocks needed for muscle protein synthesis.

So aside from being able to bounce back fast from muscle soreness, you would even see significant gains.

  • Delicious Flavors

Another thing you would like about Legion Whey+ is that it definitely stands out in terms of flavors.

Enjoy a delicious drink as you experience the benefits of a low-carb, low-calorie protein powder.


  • Low number of calories per whey protein
  • Delicious but has no artificial flavors
  • Has two types of dairy protein
  • Uses natural whey isolate


  • Not a meal replacement
  • A bit expensive

3. FitCrunch Triblend Whey Protein

FitCrunch is known for its snack-sized protein bars designed by celebrity chef Robert Irvine.

This well-known brand also has an impressive selection of protein powders designed for genuine health enthusiasts.

Triblend Whey Protein is one of its top sellers in this product category.

If you want to enjoy the health benefits of a great protein blend and lose weight at the same time, this product is for you.


FitCrunch is known for its high-quality products and has earned several awards for them.

Triblend Whey Protein more than lives up to the company’s reputation.

  • Superior Protein Powder for Weight Loss

FitCrunch did many things right with this surprisingly delicious product.

The biggest one is using a combination of casein protein powder, whey isolate protein powder, and whey concentrate.

Casein is the slower-digesting protein in milk and other dairy products.

This mixture of fast and slow-releasing proteins ensures a steady release of essential amino acids.

It makes Triblend Whey Protein a great drink or shake between meals or a healthy snack at any time of the day.

  • No Artificial Flavorings

This product is the brainchild of a chef, so naturally, it is a delicious protein powder.

That said, it does not use artificial flavoring but only natural, high-quality ingredients.

Moreover, there are many options to choose from, like peanut butter, cinnamon, coffee, and vanilla flavors.

You can even mix them and make a decadent protein powder shake or bake them into various products.

  • Low-Calorie Protein Powder

Its delicious flavors make it easy to forget that this FitCrunch protein powder has a low calorie content.

Each serving offers only 120 calories but provides 25 grams of whey protein.

It is not a plant-based protein powder, but it is a healthy option that will help you meet your daily requirement.

Being gluten-free, soy-free, and non-GMO, it has no potential side effects.


  • Low on calories
  • High on healthy animal proteins
  • Has no dietary fiber
  • Contains only 1.5 grams of fat


  • Has no plant protein powders
  • Has no unflavored option

4. TGS Whey Protein Powder

TGS Nutrition is a family-owned business brand that has been operating since 2013.

It caters to the nutritional needs of people with an active lifestyle but does so with only the necessary components.

This product is no different, as it only has two main ingredients.

This product is for you if you’re looking for a clean, high-quality supplement to fast-track your weight loss.


The TGS Whey Protein Powder has no unnecessary additives but all the good stuff you want to see in a low-calorie protein powder.

  • Increases Your Protein Intake

Each serving of this TGS product comes with 25 grams of protein with no artificial flavors, colors, or preservatives.

It is growth hormone-free, GMO-free, and soy-free, making it a great alternative to gluten free, dairy free protein powders.

  • Low on Calories

Aside from 25 grams of protein, one scoop of the TGS Whey Protein Powder provides only 130 calories.

This should be enough to fuel your exercises and create a calorie deficit that will lead to a more efficient loss of weight.

On top of this, it has 5.4 grams of branched-chain amino acids or BCAAs and the full spectrum of amino acids.

  •  Vegetarian-Friendly

This product from TGS is a safe bet for vegetarians who want to make an informed choice in protein powders.

It is not a plant-based nutrition product, but it is the next best thing, even if it has animal-based ingredients.

  • Unflavored Protein Powder

This product does not contain artificial flavors and only comes in the unflavored version.

It does not come in the likes of creamy chocolate fudge or vanilla bean protein powder.

That said, it allows you to make your own recipes and avoid flavor fatigue.


  • Has a balanced amino acid profile
  • A good option for vegetarians
  • Has extra protein for muscle growth


  • Has no vegan ingredients
  • Has zero dose of fiber

5. Gym and Tonic Collagen Protein Powder

Gym and Tonic is a unique business brand in the world of sports nutrition because it is actually an athleisure fashion retailer.

Its customer base is gym enthusiasts, so making the Gym and Tonic Collagen Protein Powder makes sense for them.

This product is designed for people who are watching their calories and want stronger bones and joints.


The Gym and Tonic Collagen Protein Powder is a premium product that costs a bit more than some other brands.

That said, it has many features that justify its heftier price tag.

  • Minimal Levels of Calorie Content

Unlike Naked Whey from Naked Nutrition or Optimum Nutrition Serious Mass Weight Gainer, this product has a low calorie content, which is ideal for weight management.

Each serving of two scoops yields 80 calories, which is lower than some well-known brands offer.

  • Easily Digestible Protein

The most important information about protein powders is the amount of protein it has. That said, it must also come in a more digestible form.

The Gym and Tonic Collagen Protein Powder has you covered on this front.

It has 20 grams of pure protein that can replace the collagen your body loses.

  • Balanced Amino Acid Profile

This product has no vegetable pea protein powders or brown rice proteins, but it has 18 essential amino acids, all of which come naturally with collagen.

It can help improve muscle growth and maintain a healthy bone mineral density.


  • Has a balanced amino acid profile
  • Comes with 20 grams of protein
  • Improves bone mineral density
  • Helps create a calorie deficit


  • Low mineral content
  • Has no sources of plant protein
  • A bit expensive

Which Protein Powder Is Best for You?

Any of these products can help you achieve a calorie deficit and lose weight.

That said, the Designer Lite earns our nod as the best low calorie protein powder.

Its calorie content is among the lowest in the market, but it has loads of protein for appetite suppression and a decent dose of fiber.

Plus, it is a good source of vitamin D and has a high mineral content.

It offers you much value, especially if you consider its affordable price.

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