7 Best Low-Calorie Protein Powders for Weight Loss

best low-calorie protein powder
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Most protein powders provide healthy levels of amino acids.

But did you know that low-calorie protein powders can provide more amino acid content?

A randomized control trial from Clinical Nutrition reported that a low-calorie protein could provide higher contents of essential amino acids and leucine than casein protein powder.

In this article, you will find the best low-calorie protein powders that can suit your health needs.

At a Glance

The Top 7 Low-Calorie Protein Powders

1) Best Grass-Fed Low-Cal Protein Powder: Transparent Labs Protein Powder

Transparent Labs whey protein isolate

The protein content of protein powders can come from different sources. Some are plant-based proteins, and some are animal-based protein powders.

There are also protein powders that come from cow’s milk, and if you are looking for one, the most suitable for you is the Transparent Labs Protein Powder.

Taking this protein gives 120 calories per serving. It also provides 1 gram of carbohydrates and 28 grams of protein per serving.

Other ingredients include calcium, iron, and potassium.

Given that this supplement gives a higher protein dosage, those who want to consume more protein will surely appreciate this supplement.

It is important to mention that this low-calorie protein powder comes with a high amount of sodium, around 160 mg per serving.

On the other hand, it contains no fat and has a low carbohydrate content, less than 1 gram per serving.

So, if you want a high protein intake with low fat, carbs, and calories, this protein is worth considering.

According to the company, Transparent Labs, this low-calorie protein powder is made from the milk of grass-fed cows, and as a grass-fed whey protein, it can promote muscle growth, support weight loss, and boost energy levels.

The formula is a whey isolate.

Compared to whey protein concentrate, the former undergoes more processing, yielding higher protein content and lesser calories.

With regards to the taste, many users report that it is palatable. It is not too sweet, and there is a balance in the flavors.

In terms of mixability, this protein blends easily with water and milk.

Other protein powders tend to dreg at the bottom of the shaker bottle, but this one does not.

So, if you do not like chunky powders, the Transparent Labs Whey Isolate Protein Powder. 

Mix one scoop of the powder with 6 ounces of water to make a low-calorie protein shake. For better consistency, use a blender in mixing the Transparent Labs Whey Protein Powder.

Pros

1) Easy-to-digest formula

One of the best things about this grass-fed whey protein is that it is easy to digest.

Aside from being gluten-free and non-GMO, the formula does not contain artificial sweeteners, coloring, added sugars, and preservatives.

The grass-fed cows are never treated with hormones to provide you with an ultra-clean protein supplement. 

2) Different flavors available

The Transparent Labs Whey Protein Powder comes in different flavors such as chocolate peanut butter, cinnamon pastry, milk chocolate, mocha, salted caramel, strawberry, French vanilla, cinnamon French toast, and vanilla peanut butter.

3) Procurement features

The company offers a 100% 60-day money-back guarantee for this whey isolate supplement. If you buy a bundle, you can save more.

Cons

1) Not lactose-free

Take note that this low-calorie protein powder is not lactose-free. However, its lactose contents are only minimal.

2) Best-Flavored Low-Calorie Protein Powder: Optimum Gold Standard 100% Whey

Optimum Gold Standard Whey Protein Powder

Some proteins give off a bland taste.

Unfortunately, this may cause users to discontinue the use of protein supplements.

So, if you are looking for the best-tasting powders, you might want to look at the Optimum Gold Standard 100% Whey.

This supplement gives 5.5 grams of branched-chain amino acids and 24 grams of protein per serving.

With regards to calories, this supplement gives 120 calories per serving. Other ingredients include calcium, iron, and potassium.

It is important to note that in this protein formula, you will also get 1 gram of sugar, less than 1 gram of dietary fiber, 1.5 grams of fat, and 35 mg of cholesterol per serving. 

Furthermore, the Optimum Gold Standard 100% Whey protein content is sourced from whey protein isolate, whey protein concentrate, and hydrolyzed whey protein.

Additional ingredients include sunflower lecithin for easy blending and mixing.

According to the company, Optimum Nutrition, this low-calorie protein powder works by stimulating muscle protein synthesis.

It can increase muscle mass, enhance muscle endurance, and promote weight loss.

With regards to its mixability, many users report that it is easy to blend with any beverage. It does not give any lumps and clumps, unlike other whey proteins.

According to the company, the Optimum Gold Standard 100% Whey powder can be mixed by using a spoon, shaker, or blender.

You can make the Optimum Gold Standard 100% Whey one of your low-calorie protein shakes.

You must mix one scoop of the powder with 6 ounces of water, milk, or any of your favorite beverages.

According to the company, this blend of whey protein concentrate and isolate is best to use first thing in the morning to boost your energy levels throughout the day, before exercise to enhance your mental focus, and after exercise to speed up muscle recovery.

Based on product reviews, this low-calorie protein powder is a reliable supplement because, in a single scoop, they can already get three different kinds of whey.

It causes no side effects.

Some proteins can cause nausea and stomach cramps, but this one does not.

You can also consider some best-tasting protein bars with the Optimum Nutrition protein shake.

Pros

1) Many flavor options

The Optimum Gold Standard 100% Whey comes in different flavors such as double rich chocolate, banana cream, chocolate coconut, chocolate malt, chocolate mint, coffee, delicious strawberry, French vanilla, rocky road, strawberry banana, white chocolate, and chocolate hazelnut.

An unflavored version is also available.

2) Clean formula

This is a gluten-free protein concentrate and isolates blend. It contains no sucralose and it is a banned substance tested to ensure its safety. It is a non-habit-forming protein that many athletes can use.

3) Easy to digest

This protein contains digestive enzymes. Thus, it is safe to say that the Optimum Gold Standard 100% Whey is gentle on the stomach. 

Cons

1) Artificial flavors

Although the Optimum Gold Standard 100% Whey is tasteful and comes in different flavors, the formula contains artificial flavors which some protein users may not appreciate.

3) Best Low-Cal Whey Protein Isolate: Isopure Zero-Carb Protein Powder (Unflavored)

Isopure Zero-Carb Protein Powder

If you are looking for the best whey isolate, the Isopure Zero-Carb Protein Powder is highly recommended.

Aside from being a low-calorie protein, this one is also zero-carb.

This whey protein powder, manufactured by Glanbia Performance Nutrition, was first introduced in 2015.

According to some users, this supplement is suitable for those on a keto diet. Many users love it because it can help them lose weight.

Moreover, aside from promoting weight loss, this protein powder can also enhance muscle mass and speed up muscle recovery.

One good thing about this supplement is that it truly balances your body weight.

If you want to gain or lose weight, this supplement is a big help, as long as you have a balanced diet and proper exercise.

Using this product gives you 5.7 grams of branched-chain amino acids and 25 grams of protein per serving.

This content is high compared to regular proteins such as pea protein powders.

You will also get 80 mg of calcium and 100 calories per serving.

This supplement also gives a low cholesterol content, around 5 mg per serving.

Mix one scoop with 6 ounces of water, milk, or your favorite beverage to use this protein.

If you do not want to use it as a protein shake, you can bake and cook the powders instead.

According to some users, the Isopure Zero-Carb Protein Powder tastes great when added to oatmeals, guacamole and dips, coffees, baked goods, soups, and pancakes. 

Lastly, it is best taken in the morning, between meals, or after your exercise session. For other best keto-friendly and vegan protein powders, you can click here.

Pros

1) Transparent formula

One great thing about this supplement is that it has a transparent formula. There are no proprietary blends and other hidden ingredients. 

The formula is also sugar-free, gluten-free, and lactose-free. It is certified non-GMO and has no artificial sweeteners, flavors, or coloring. 

2) Dissolves easily

According to some reviews, this supplement is easy to dissolve. It forms no clumps, and there is no aftertaste.

Regarding the texture, the Isopure Zero-Carb Protein Powder provides a creamy texture and consistency, making it very easy to consume.

3) No side effects

One great thing about the Isopure Zero-Carb Protein Powder is that it causes no side effects.

When you are new to protein supplementation, some dietary supplements cause mild effects such as bloating and gas, but this one causes none.

Cons

1) Only calcium

Usually, proteins give potassium, iron, calcium, and other minerals and vitamins.

However, the Isopure Zero-Carb Protein Powder only provides calcium, making the supplement not a good source of vitamins.

4) Best Fast-Absorbing Whey Protein: Dymatize ISO100 Hydrolyzed Protein Powder

Dymatize SO 100

Many protein powders take time to work. If not, it will take a few hours for them to be absorbed into the system. 

If you are looking for a low-calorie protein powder that is fastly absorbed by the body, the best protein powder for you is the Dymatize ISO100 Hydrolyzed Protein Powder.

Taking this whey protein powder gives you 25 grams of protein with a complete amino acid profile.

It gives 5.5 grams of branched-chain AAs, 6.2 grams of essential amino acids, 2.6 grams of leucine per serving, and 120 calories per serving.

Other ingredients include calcium and potassium.

According to a study from Finland, the amino acid leucine works by stimulating muscle protein synthesis and can enhance athletic performance.

Furthermore, the protein content of this supplement is sourced from both hydrolyzed protein isolate and whey isolate.

According to the company, these two protein sources can increase your muscle mass and gain.

With regards to the mixability of this supplement, many users report that it is easy to mix and blend.

The supplement is also easy to digest and smooth on the stomach.

Like the previous supplements on this list, the Dymatize ISO100 Hydrolyzed Protein Powder causes no side effects.

To use the Dymatize ISO100 Hydrolyzed Protein Powder, mix one scoop of the powder with 6 ounces of water, milk, or your favorite beverage.

Use the mixture within 30 minutes after your training session.

For other protein powders, hydrolyzed, and pure isolate/concentrate, you can read more by clicking this link.

Pros

1) Safe formula

The formula of the Dymatize ISO100 Hydrolyzed Protein Powder is gluten-free. It contains no saturated fats, dietary fibers, and added sugars.

In addition, it only contains less than 1 gram of carbohydrates per serving!

The cholesterol level of this protein powder is also low, around 10 mg per serving.

Moreover, it has zero fat, and its sugar is less than 1 gram per serving. 

2) Great taste

If you are a fan of the Flintstones, taking it can bring your back to the good old days!

The flavor of the Dymatize ISO100 Hydrolyzed Protein Powder is fruity cereal. 

Take note that the formula is naturally and artificially flavored.

Other flavors include gourmet chocolate, chocolate coconut, fudge brownie, gourmet vanilla, cookies & cream, cinnamon bun birthday cake, chocolate peanut butter, peanut butter, smooth banana, strawberry, and orange creamsicle.

Cons

1) Fast to wean off

Since this supplement is fast-absorbing, it can enhance your muscle health and energy levels in no time.

However, this makes the supplement easy to wean off.

Thus, you must consume the supplement twice daily to maintain energy balance.

5) Best Appetite Suppressant Low-Cal Protein: Bulk Supplements Whey Protein Isolate

Bulk Supplement Whey Protein Isolate

Whey powders can help you lose weight because they can increase your metabolism and come with appetite suppressant effects.

As we all know, individuals who want to lose weight consume fewer calories.

Sometimes, along with low-cal whole, real protein foods, they add protein supplements into their diets to speed up their weight loss process.

So, if you want to speed up your weight loss process or consume fewer calories, you can consider the Bulk Supplements Whey Protein Isolate.

Taking this supplement gives you 100 calories per serving. Aside from this, it also provides 16 mg of cholesterol, less than 1 gram of fat, and 26 grams of protein per serving. 

Other Bulk Supplements Whey Protein ingredients include branched-chain and nine essential amino acids, vitamin D, iron, calcium, and potassium.

According to the company, besides promoting weight loss, the Bulk Supplements whey protein can also enhance muscle mass, aid muscle recovery, lower blood pressure, and boost metabolism.

The company also claims that this supplement comes with antimicrobial properties.

Regarding the extraction process of the protein of this formula, the company states that the Bulk Supplements Whey protein has undergone rigorous filtration to ensure that the supplement will be free of fat, calories, carbohydrates, cholesterol, and lactose.

Moreover, this supplement is also easy to mix. Based on some reviews, it can easily blend with water, milk, and other beverages.

Since this one is unflavored, it is safe to say that it does not taste bad and at the same time, does not taste good.

To use this Bulk Supplements whey protein powder, mix 30 grams of the powder with water, milk, or your favorite beverage.

You can also adjust the dose depending on how much protein your body needs or the instruction of your medical provider.

Pros

1) No additives

Some protein powders contain added ingredients.

However, the formula of the Bulk Supplements whey protein contains no additives, fillers, and artificial sweeteners.

It is also gluten-free, yeast-free, and non-GMO.

One great thing about the formula of the Bulk Supplements protein powder is that it is third-party lab tested to ensure the users its safety and efficacy.

2) Procurement features

The company provides fast shipping.

Also, if you purchase above $59, you will get a free shipping voucher.

Additionally, if you subscribe using your email, you can get a 5% discount on your current and succeeding orders.

Cons

1) Contains soy

The Bulk Supplements whey protein is not soy-free.

Thus, those who are allergic to this substance should avoid protein powders like this supplement. 

2) No scoop included

Most protein powders contain scoops when you purchase.

However, this one contains none. Even if you have an extra scoop at home, getting the right powder measurement would be an issue.

6) Best Low-Cal Egg Protein: PaleoPro Protein Powder

PaleoPro Protein Powder

Aside from plant protein, pea protein, and hemp protein, there are also egg protein powders. Also, compared to whey proteins, egg proteins contain fewer calories.

So, if you are looking for the best egg protein powder, the PaleoPro Protein Powder might be what you are searching for!

Taking this protein powder gives you 120 calories per serving.

You can also get 26 grams of protein, 1 gram of carbohydrate, and 1 gram of dietary fiber. Other ingredients include potassium and cocoa powder.

Furthermore, the protein content of the PaleoPro Protein Powder is sourced from beef protein isolate and egg white protein.

It also contains lecithin and monk fruit extract for easy mixing.

Many users report that this protein powder mixes well with water or other beverages.

This supplement is also considered a grass-fed whey protein supplement because the beef sources are grass-fed and pastured.

Take note that the amino acids of beef flesh are used instead of beef byproducts.

On the other hand, the eggs used are non-GMO and cage-free egg whites.

According to the company, PaleoPro Protein Powder can enhance muscle function, boost mental clarity, and promote weight loss.

The formula is minimally processed to ensure that, in every scoop, you can get a higher protein intake than other supplements.

One great thing about this supplement is that it contains collagen.

There are only a few whey proteins and plant-based proteins on the market that contain this protein source.

Thus, if you want one, you can try the PaleoPro Protein Powder.

According to a study published in the International Journal of Environmental Research and Public Health, collagen can also enhance muscle strength and skin, hair and nail health.

Regarding the taste, the PaleoPro Protein Powder offers a gentle taste.

Thus, this one might be one of the best choices for those looking for an amazing, delicious protein powder.

To use the PaleoPro Protein Powder, mix one scoop with water, milk, or your favorite beverage.

The company recommends adding fruit to make the mixture more nutritious.

Aside from being a low-cal and gluten-free supplement, the PaleoPro Protein Powder is paleo and keto-friendly.

Aside from this, the formula contains no dairy proteins, grains, and soy.

The formula is clean because there are no additives, fillers, sugars, net carbs, preservatives, pesticides, hormones, and antibiotics that can harm your health.

2) Wide flavor choices

Aside from the plain flavor, this supplement is also available in other flavors, such as ancient cacao, Aztec vanilla, Mayan mocha, and mocha mint.

All of these formulas contain no artificial sweeteners or flavors.

Cons

1) High sodium content

Take note that the PaleoPro Protein Powder contains a high amount of sodium, around 230 mg per serving.

Other supplements on this list only contain 160 mg below.

According to some users, they find this protein powder salty but still delicious.

So, if you are looking for a low-sodium protein powder, this supplement might not suit you best.

7) Best Budget-Friendly Protein Powder: MyProtein Impact Whey Protein Isolate

MyProtein Impact Whey Protein Isolate

If you are on a tight budget and want to experience the health benefits of low-cal protein powders, you might want to look at the MyProtein Impact Whey Protein Isolate.

Compared to other plant protein supplements, this one is way more affordable. 

This protein powder is manufactured by the company SETAF, and this supplement was first introduced to the market in 2014.

This supplement may not be as popular as plant protein powders, but this one has already received thousands of positive reviews from its customers.

According to the company, this supplement can promote muscle growth and weight loss.

Many users love it because using it as a dietary supplement for weight loss has helped them achieve their body goals in no time.

Taking this supplement gives you 18 grams of protein per serving. It also contains nine essential amino acids and 100 calories per serving.

The only concern here is that, compared to other protein types like organic plant-based protein powders, it contains lesser protein content.

Those who want to increase protein intake may not appreciate the dosage of this supplement.

However, considering the price, the MyProtein supplement is worth the try.

Other ingredients of this supplement include vitamin A.

Take note that only a few protein dietary supplements, including whey and organic plant-based protein powders, contain vitamin A.

So, if you are looking for a supplement with this vitamin source, this might be a sign!

About the taste, this protein is palatable.

Many users did not even expect that, with simple ingredients, the supplement would be astonishing when it comes to taste.

Based on some reviews, this supplement also comes with no aftertaste.

Sometimes, even the best protein powders are unpalatable. But this one offers nothing but pure deliciousness.

The company aims to make a formula specifically for those who want a better high-quality protein intake than plant-based protein powder supplements.

Thus, this protein powder was made vegan-friendly and gluten-free.

To use this vegan protein powder, mix one scoop of the powder with water, milk, or any of your favorite beverages.

You can also add some fruits to add more flavors.

Pros

1) Quick and long absorption

Other whey and plant-based protein powder supplements are fast-absorbing.

This means that they can also be excreted from the body.

However, regarding MyProtein, this supplement is both slow-absorbing and fast-absorbing.

This means it can give you quick energy levels and help you last longer during your training sessions. 

2) More serving sizes

Although it is not for those who want to consume more protein, compared to other whey and plant-based protein powder supplements, this supplement can offer more servings. 

Usually, even the best protein powders can only provide 24 servings or less. However, this one can offer up to 40 servings! 

3) Convenient and easy to dissolve

Another important thing to mention regarding this supplement is its convenient protein. It dissolves easily, especially in hot beverages.

Sometimes, even the best protein powder supplements clump, but this one does not. You can mix it using a spoon, blender, or shaker.

When mixed, this supplement provides a smooth and creamy texture. It is not too thick, and many users commend this consistency.

Cons

1) Unclear label

There is one concern about the MyProtein supplement, and that is the label. Many users report that the supplement they receive is way far from the label of the product. 

Based on some product reviews, some ingredients of this supplement are not stated on the label. These include carrageenan, maltodextrin, sucralose, xanthan, and cellulose gum.

How to Choose the Finest Low-Calorie Protein Powder

When buying a low-calorie protein, you have to consider some factors.

These factors will not only help you optimize your health but can also help you save much of your money. Some of these factors include the following:

1) Protein type

First, you should know the protein type you need.

There are many protein types on the market. Some of these are brown rice protein, egg protein, pea protein, whey protein, etc.

2) Grams of protein

The next factor to consider is the grams of protein.

Take note that different protein types offer different protein grams.

Thus, you should also know how much protein your body needs. Although protein supplementation is generally safe, too much protein can cause acne breakouts.

3) Ingredients

The formula is very important to consider.

Look at each ingredient and see if you are allergic to any of the ingredients listed. Also, see if the supplement contains any proprietary blends.

If there is a proprietary blend, ensure that the ingredients on that blend are listed.

4) Digestibility and mixability

These two factors are also important. The first one, digestibility, is necessary for those with a sensitive stomach.

Thus, ensure that the supplement contains digestive enzymes or probiotics that aid digestion.

Regarding mixability, ensure the supplement does not form clumps and is easy to stir.

This will make it convenient, mainly when you use protein powders outside your home.

5) Money-back guarantee

It is also important to consider this feature. In case the supplement does not work for you, as long as there is a money-back guarantee, you can get 100% of your spent money.

There are also times when you should consider the price.

However, keep in mind that it does not mean when a supplement is expensive, it is better than cheaper ones.

Sometimes, there are cheaper supplements that can give you high-quality protein.

Final Thoughts

Indeed, protein supplementation, either using whey, hemp, vegetable pea protein isolate, organic brown rice protein, or egg proteins, can provide many health benefits to the muscles and the metabolism, brain, and immunity.

Since there are many protein powders on the market, you should know which of these is most suitable for you.

If you want grass-fed protein as an alternative to organic pea protein, you can consider Transparent Labs Protein Powder.

This supplement is easy to digest.

However, it contains a low amount of lactose. On the other hand, if you want a flavored low-cal protein, you can choose the Optimum Gold Standard 100% Whey.

This supplement comes in 13 flavors. 

The Isopure Zero-Carb Protein Powder (Unflavored) for whey protein isolate is highly recommended.

This supplement can be used in different recipes and shakes! It dissolves easily and is easy to digest.

For a fast-absorbing whey protein, meaning a supplement quickly absorbed into the system, you can consider the Dymatize ISO100 Hydrolyzed Protein Powder.

There are also appetite suppressant proteins, and the Bulk Supplements Whey Protein Isolate is the best among these.

If you want to consider egg protein instead of organic pea protein powder, the PaleoPro Protein Powder.

This supplement is also keto-friendly!

Lastly, if your budget is tight to purchase pea protein or brown rice supplements, the best one for you is the MyProtein Impact Whey Protein Isolate.

This one offers only a few grams but quality proteins. This supplement also gives bigger serving sizes!

Frequently Asked Questions (FAQs)

What is the best beverage for protein powders?

Any beverage, including water, can be used as a liquid for protein powders. According to some experts, hot water is the most suitable liquid for those who are using protein powders to lose weight. Mixing protein powders with water can make you feel full for longer periods.

Can I use protein powders as a meal replacement?

If the protein content of the protein powder is high and it contains many vitamins and minerals, that supplement is safe to be used as a meal replacement. However, if the supplement is not a good source of vitamins and minerals, it can only be used as a dietary supplement.

What happens if I take protein powders without exercise?

If you consume protein powders, even if they are low-cal, the tendency is that you might experience weight gain. Many protein manufacturers encourage their users to take these supplements in conjunction with proper diet and exercise.