Best whey protein: 14 brands tested and compared – our verdict

OUR SELECTION

Notes sur 5	NOTE
Best Whey 2026 🥇 > Nutri&Co	5.0	SEE THE PRICE
Best alternative ⭐ > Nutripure	5.0	SEE THE PRICE
Best value for money 💸 > Pure AM nutrition	4.4	SEE THE PRICE
Nutrimuscle	4.4
Protein Works	4.4
Foodspring	4.2
Optimum Nutrition	4.2
BiotechUSA	4.0
My Protein	4.0
Bulk	3.8
NU3	3.8
EAfit	3.6
Scitec Nutrition	3.4
AMFIT	3.2

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Whey comes from the dairy industry, it comes from the whey of milk, or milk serum. Whey is obtained when milk coagulates during the cheese-making process.

This whey contains mainly lactose and small soluble proteins rich in essential amino acids. Its biological value (the degree of absorption and the quality of the amino acids) is 104 to 114, which makes it one of the best proteins.

We can better understand why athletes have gotten into the habit of consuming it to meet their protein needs and to support their muscle mass.

But there are many types of whey, and even more brands: it is increasingly complicated to make sense of the labels and therefore to make the right choice.

To make things clearer,  we tested and compared 14 whey products among the best-selling online, rated according to 5 quality criteria. Then we selected the 3 best products.

Brands tested: AMFIT, BiotechUSA, Bulk, EAfit, Foodspring, My Protein, NU3, Nutri&Co, Nutrimuscle, Nutripure, Optimum Nutrition, Protein Works, Pure AM Nutrition, Scitec Nutrition.

Best whey: our opinion

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#1: BEST WHEY 🥇

Nutri&Co is a French brand created in 2017 distributed online and in pharmacies. It specializes in selling dietary supplements designed to improve health, beauty, and athletic performance.

Nutri&Co’s chocolate-flavored whey isolate and native whey contains 85 g of protein per 100 g with 24.8 g of BCAA. This composition is very rare for a whey protein, which reflects exceptional milk quality.

It contains 5.3 g of carbohydrates (including no sugar), which is at the low end of the comparison, and only 2.6% fat.

Nutri&Co whey is native, so it does not come from the whey byproduct of the cheese industry but directly from milk. The proteins are cold-extracted by microfiltration, which preserves their quality.

The milk used to make the whey comes from French pasture-raised cows, this is the best possible quality for a whey protein today.

Nutri&Co whey contains no problematic additives : cocoa, xanthan gum, sunflower lecithin, lactase (to aid digestion), and natural flavors.

The brand chose not to use any chemical sweetener : for sweetness, only stevioside (from stevia) is used.

The powder mixes well and does not clump; we found its chocolate flavor is very pleasant, with no chemical aftertaste.

The Nutri&Co brand finally benefits from an excellent rating of 4.6/5 on the Trustpilot website , with many positive reviews highlighting the quality of the products, the brand’s transparency, and the responsiveness of customer service.

The price per kg is rather on the high end of the comparison range, but quality comes at a price!

For us, it is the best whey quality in our selection.

Promo code -10%: DARWIN10.

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BEST VALUE FOR MONEY 💸

PURE AM Nutrition is a French brand founded in 2017, specializing in dietary supplements for athletes. It is part of the N4Brands group, which also owns FitnessBoutique, the leading chain in France for the distribution of fitness equipment and sports nutrition products.

The chocolate-flavored whey isolate from AM Nutrition contains 82 g of protein per 100 g, with 17.5 g of BCAA : this is an excellent composition.

It contains very little fat (1.4 g per 100 g) but a fairly high amount of carbohydrates (9 g). This is uncommon for an isolate. This indicates a higher amount of lactose than some isolates. This may be problematic for sensitive or lactose-intolerant people.

AM Nutrition whey is native, it does not come from a by-product of the cheese industry but directly from milk: it is therefore of superior quality because no heat treatment is used to extract the proteins.

The milk used is French.

Its sweet taste is provided by a blend of sweeteners : steviol glycoside (natural) and sucralose (chemical and sometimes considered controversial). We tested the vanilla-flavored AM Nutrition whey : we really liked its taste, sweet just the way it should be.

We were less fond of the rather liquid and foamy texture on the surface, with the presence of a few lumps. This texture is certainly due to the absence of a texturizing agent in the formula.

This native whey isolate is sold at a very reasonable price given its premium quality and formulation. Its price is especially competitive with the use of a -15% promo code, which is almost always available on the site (or -20% by following our link below).

For us, this is the whey with the best value for money in this comparison.

Promo code -20%: DARWIN20.

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BEST PREMIUM ALTERNATIVE

Nutripure is a French brand created in 2018 by two brothers who are high-level athletes. Their ambition is to create a supplement brand that is as « clean » as possible, meaning without any controversial ingredients and with the minimum number of ingredients.

Nutripure Native Isolate Whey chocolate contains 76.9 g of protein per 100 g with 22.4 g of BCAA per 100 g, which is particularly high.  It contains very little fat (2.2 g) but a bit too many carbohydrates (11.2 g).

This whey is native, made from fresh French pasture milk. The proteins are isolated by cold microfiltration. They therefore remain intact and are not denatured by heat treatment. 

Nutripure removes any controversial substance : this whey contains only milk isolate, sunflower lecithin, lactase for digestion and steviol glycosides (a non-problematic sweetener). The powder therefore mixes very well, and it does not clump.

The cocoa version adds a indulgent touch without an artificial aftertaste, although we would have appreciated a slightly sweeter flavor.

This whey is one of the most expensive in our comparison, but the price is justified by the quality of the product.

It is according to a excellent premium alternative.

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The other whey in the comparison

Protein Works – Whey Protein 80

A concentrated whey at an attractive price, with a well-balanced chocolate flavor and a creamy texture. It mixes easily and remains very pleasant to drink. Its protein content is good for a concentrated whey.

Despite the presence of a few additives, the lack of information about the origin and the lack of details on the amino acid profile, it is a convincing option for tight budgets.

Nutrimuscle – Native whey isolate

Nutrimuscle is a French brand known for its transparency and the quality of its products, notably its native whey isolate rich in protein (81.2 g/100 g) and BCAAs. Despite a relatively high carbohydrate content for an isolate (7.2 g), the presence of lactase allows good digestive tolerance.

The formula stands out for the absence of glycomacropeptides, the presence of prebiotics and probiotics, and a smooth texture with a pleasant cocoa flavor. Priced at €42.90/kg, it offers excellent value for money, despite the use of sucralose, a controversial sweetener.

Foodspring – Whey Protein

A blend of concentrated whey and isolate, with a wide variety of original flavors and an overall creamy texture, despite some possible clumps.

Sourced from pasture-raised grass-fed cows in New Zealand, it stands out for the low amount of protein it offers, the lowest in our comparison. We also question the relevance of sourcing from so far away for quality that remains imperfect.

Optimum Nutrition – Gold Standard 100% Whey

A long-established brand, this whey combines isolate, concentrate, and hydrolysate for rapid absorption. We appreciated the chocolate flavor for its balance, with a smooth texture and no clumps. The protein content is decent for a blend, but the BCAA levels could be better.

This whey also contains controversial sweeteners. It’s also a shame not to have any information about the origin of the ingredients: a little more transparency would be welcome.

BiotechUSA – Iso Whey Zero

Very high in protein with added BCAAs and glutamine, this whey stands out for its native quality. The chocolate flavor is only mildly sweet, the texture is creamy, and the solubility is impeccable. It clearly positions itself in the premium segment, with a price to match.

However, the presence of 7 additives is excessive for a whey of this level, and the lack of information about its origin remains regrettable.

My Protein – Impact Whey Protein

Extremely popular concentrated whey, with a wide range of flavors (36!). The chocolate flavor is very sweet, but indulgent. The texture is smooth, the solubility good, making it an ideal option for regular use at a low price.

The protein content is average, but the amount of BCAAs remains interesting. However, there is a real lack of traceability, which is unfortunate.

Bulk – Pure Whey Protein

This concentrated whey has a decent protein content, but not an optimal one, and a fairly low amount of BCAAs compared with other whey products on the market. Overall, it is well balanced, with a creamy texture, even if it can sometimes form clumps. The vanilla flavor is classic and well balanced. It comes from pasture-raised cows’ milk, which is appreciated, especially at this price.

We know it comes from Europe, but we would like more details for full traceability.

NU3 – Performance Whey

This whey has one of the lowest protein and BCAA contents in our comparison, which limits its nutritional interest. It is nevertheless pleasant to consume: sweet, creamy, with very good solubility.

The vanilla flavor is intense, even too intense in our view. It contains 3 noncontroversial additives, which is rather reassuring, even if we regret the lack of traceability. 

EAfit – Pure Whey

This whey is a blend of concentrate, isolate, and hydrolysate, enriched with vitamins and enzymes. It has an average protein content (76%) and an amount of BCAAs that is also lower than other products in the comparison. The double chocolate flavor is light and pleasant, the texture is smooth, and it dissolves very well.

We regret the presence of several controversial sweeteners, as well as an overall number of additives that is too high, some of which raise concerns. Another weakness: the complete lack of information about the milk’s origin.

Scitec Nutrition – 100% Whey Protein Professional

This concentrated whey is enriched with enzymes, glutamine, and BCAAs, but despite that, it contains little protein and a low amount of BCAAs compared with the other wheys in the comparison. It contains two controversial sweeteners, which gives it a very sweet and strongly flavored taste.

The texture is creamy, but we find the aftertaste a little too persistent. As for solubility, nothing to complain about; it’s perfect. On the other hand, there is a real lack of transparency about the milk’s origin, and its price is clearly high given the quality offered.

AMFIT – Whey Protein

This simple and very affordable whey is a blend of concentrate and isolate. The protein content is not particularly high, and the lack of an amino acid profile means the actual BCAA content cannot be known, which is a shame. Its texture is a bit rough, the strawberry flavor remains subtle, and a few lumps may appear.

It is still decent for getting started or for a quick fix, but we regret the lack of transparency about the source of the milk and the formula. This is clearly reflected in its low overall rating.

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Full ranking

Notes sur 5	Note globale	Nutrition	Sécurité	Gout	Solubilité	Marque
# Best flavored whey 🥇 > Nutri&co – Native Whey Isolate	5.0	5	5	5	5	5
# Best unflavored whey > Nutripure – Native Whey Isolate	4.8	5	5	4	5	5
# Best value for money 💸 > Pure AM nutrition – Pure Whey Isolate	4.4	5	4	5	4	4
Nutrimuscle	4.4	5	4	4	5	4
Protein Works	4.4	4	3	5	5	5
Foodspring	4.2	4	4	5	4	4
Optimum Nutrition	4.2	4	3	5	5	4
BiotechUSA	4.0	4	3	5	5	3
My Protein	4.0	4	4	4	5	3
Bulk	3.8	3	4	5	3	4
NU3	3.8	3	3	4	5	4
EAfit	3.6	4	3	2	5	4
Scitec Nutrition	3.4	3	3	3	5	3
AMFIT	3.2	3	3	4	4	2

→ Access our full comparison table here (Google Sheet)

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Methodology

The product ranking is established by our editorial team, based on objective criteria (nutritional value, safety, and brand) and subjective criteria (taste and packaging). The methodology and FAQ were prepared by Maxime Mességué, a dietitian-nutritionist, who acts as a scientific expert. Product data were collected in May 2025 on the brands’ websites. Prices and characteristics may change.

To create this comparison, I determined 5 qualitative criteria based on the characteristics of the 14 whey proteins tested.

Each criterion is rated out of 5, and the average of the 5 criteria determined my ranking.

For each whey, I also recommended looking at the price per kg in order to highlight the best options in terms of value for money

→ Access our complete comparison table here (Google Sheet)

1. Nutritional value

To compare the nutritional value of the different whey proteins, I suggested relying on two main criteria: their protein content and their BCAA content.

To make the comparison as fair as possible, I suggested checking the ingredients and nutritional values of the chocolate-flavored versions, which are generally the most consumed.

In general, the richer a whey protein is in protein, the less carbohydrates and fats it contains, which is a good indicator of quality.

Conversely, when the protein content is lower, we often find more so-called “filler” ingredients.

The BCAA content (branched-chain amino acids) is also an essential criterion. It reflects the quality of the milk used and a gentle extraction process, which helps preserve the integrity of the proteins without denaturing them.

2. Safety

To rate the safety of the different whey proteins, I recommended basing it on 4 sub-criteria: 

• The origin of the milk used and how the cows are fed
  Thus, pasture-raised cows or grass-fed cows produce higher-quality milk than cows from intensive farming.

• Whether it is native or not
  When whey is native, the filtration is done cold, which helps maintain the full integrity of the proteins. 

• The number of additives and texturizing agents
  Most of the texturizing agents used are not controversial, but their presence in large amounts is not ideal for the body. On a daily basis, the goal is to consume products with the shortest possible ingredient list.

• The sweeteners used
  There are 3: sucralose, acesulfame K, and steviol glycosides. The first two are controversial, while steviol glycosides currently seem harmless.

3. Brand reputation

To assess the reputation of the different whey brands, several pieces of data need to be considered:

• How long the brand has been around
  A brand that has been around for several years (or decades) has often proven itself. It has managed to retain its customers and maintain a certain level of quality. To me, that is a real guarantee of reliability.

• Presence on Instagram
  I also suggested looking at the size of the communities on Instagram. It is not the most decisive criterion, but it gives an idea of the engagement around the brand and the relationship it maintains with its customers.

• Customer reviews
  We can rely on feedback available on platforms such as Amazon, Trustpilot, or Verified Reviews (depending on which is most used for each brand). We do not take into account ratings for brands with fewer than 100 reviews, as that seems too small a sample to me. On the contrary, a large number of positive reviews is a real sign of customer satisfaction and therefore a good indicator of trust.

4. Solubility

A whey that mixes well and does not clump is a whey that is pleasant to consume.

So I recommended testing the solubility of the 14 brands by mixing 30 g of whey with 250 ml of water in a shaker. Each whey was mixed for 10 seconds to ensure a fair comparison.

5. Taste

This part is more subjective, but it makes it possible to evaluate:

• Texture, favoring creamy textures 
• The intensity of sweetness, favoring whey that is not very sweet
• The naturalness of the flavor, favoring natural flavors and penalizing overly chemical-tasting ones

6. Price per kg

It is better to compare the prices of “small” sizes, the pouches ranging from 750 g to 1 kg. Indeed, prices vary greatly depending on the quantity: the more you buy in bulk, the lower the price per kilo.

When a discount is applied permanently, it is included in the final price for comparison.

The price per kg is not included in the final score calculation, but it does provide a clear view of the value for money offered by each brand.

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The different types of whey

Concentrated whey

This is the best-selling whey on the market. Concentrated whey comes mainly from the cheese-making industry. 

During cheese production, casein (a solid protein) is separated from the whey or serum by a high-temperature heat treatment. This treatment denatures part of the proteins. The whey is then dehydrated, resulting in concentrated whey. 

It contains about 80% protein, but also fats and lactose. Its cost is relatively low, which makes it an attractive option for people on a budget. However, people sensitive to lactose should be careful because it is less digestible.

Native whey

Native whey does not come from the cheese-making industry. The whey is separated from the casein by cold filtration directly from the milk. There is no protein denaturation.

This whey is purer and therefore better absorbed and easier to digest. It is considered a high-quality whey. However, its more demanding manufacturing process makes it more expensive.

Whey isolate

Whey isolate is a concentrated whey that has undergone additional filtration. It is stripped of much of its fat and lactose. 

It is especially interesting for people who are lactose intolerant, or people who want to add as few calories as possible to their diet.

Its nutritional richness is exceptional because it contains about 90% protein, but its production costs more.

Good to know: a whey can be both native and isolate. It is the best quality on the market.

📚 Read also | Best whey isolate: our selection

Hydrolyzed whey

Hydrolyzed whey is an isolate whey that has undergone additional enzymatic treatment. This process results in a kind of pre-digestion of the proteins, which makes them more quickly absorbed by the body.

It is the most processed form of whey, but also the easiest to digest. It is ideal for people with digestive disorders or for athletes in sports that require an immediate protein intake: very intense training or competitions.

It is generally more expensive and has a more bitter taste, because hydrolysis releases peptides with a more pronounced flavor. Even when flavored, hydrolyzed whey remains less pleasant to consume than other types. This is something to consider before adopting it.

Vegan whey

Vegan whey does not exist: by definition, whey comes from milk and therefore contains animal proteins.

However, there are many 100% plant-based alternatives in powder protein form.

These substitutes, suitable for vegan diets, are often made from a blend of pea, rice, hemp, and soy proteins, in order to ensure a complete amino acid profile.

📚 Read also | Comparison of the best plant-based protein powders

Frequently asked questions (FAQ)

What is whey used for?

Whey is a fast and easily absorbed source of protein, used to meet increased protein needs, especially for regular or intense physical activity.

It contains all essential amino acids, with a high BCAA content, making it an excellent support for recovery and muscle growth. Thanks to its composition, whey is digested quickly, allowing muscles to receive immediately what they need after exercise.

In short, whey is not a meal replacement, but a practical supplement to optimize protein intake, promote recovery, and support muscle building, especially after training.

How much whey should you consume per day?

The amount of whey to consume depends on your overall protein needs, which vary according to your weight, your level of physical activity, your goals (muscle gain, maintenance, weight loss), and what you eat.

If your diet covers a good portion of your needs, whey can simply be used as a supplement.

In general, I recommend about 20 to 30 g of whey after a workout to support muscle recovery. This corresponds to a standard serving, easy to fit into your day.

There is no need to consume it in excess: what matters is the balance of your overall protein intake throughout the day, not the amount of whey itself.

How many times a day can you take whey?

Once again, there is no universal rule. It all depends on your protein needs and what you are already consuming through your diet.

For example, someone who eats a lot of meat, fish, eggs, or dairy products will probably not need more than one serving (if any). On the other hand, someone following a diet low in animal products or who has very high needs (intense sports, muscle gain) can take it twice a day.

What matters is not the number of servings, but the total amount of protein throughout the day. Whey simply complements the diet; it does not replace it.

Where can you buy whey?

You can easily find whey online or in stores.

You can find it in specialty sports nutrition stores, in some large sporting goods stores, and even in pharmacies. And of course, online, either on platforms like Amazon, or directly on the brands’ websites, which sometimes makes it possible to benefit from advice or exclusive deals.

As part of our test, we ordered the whey on Amazon or directly from the brands through their online store.

The most important thing is still to choose a brand that is transparent about its ingredients, with good ingredient traceability.

When should you take whey?

There is no single time that works for everyone, but some times are more interesting depending on your goals.

The most classic time would be right after training: the muscles are more receptive to protein, and whey, which is absorbed quickly, helps optimize recovery and muscle rebuilding.

You can also have it as a snack, especially if meals are far apart or low in protein, or add it to a meal (in oatmeal, a smoothie, etc.) to make the dish more nutritious.

What you should mainly remember is that spreading your protein intake throughout the day is more effective than concentrating it all in one meal or only after exercise. The body uses protein better when it is distributed regularly, while meeting your needs at each point in the day.

Whey or casein?

Whey, or lactoserum, comes from whey, that is, the liquid part of milk after curdling. It contains soluble, small, highly digestible proteins that are quickly absorbed. That is what makes it an excellent choice right after training, to quickly provide muscles with the amino acids they need.

Casein, on the other hand, comes from the solid part of milk, which is found notably in yogurts, cottage cheese, skyr, faisselle… These are larger proteins, slower to digest, and sometimes less well tolerated depending on the person.

The use is therefore different: casein is often taken at night, to slowly release protein during sleep, which helps limit muscle catabolism (muscle breakdown).

That said, casein is mainly intended for those who have very high protein needs, such as people with a very demanding sports practice like bodybuilding. For most athletes, whey is more than enough.

Whey or BCAA?

BCAAs (valine, leucine, isoleucine) are three essential amino acids: the body cannot make them, they must come from food. They play a key role in muscle building and recovery. Without them, there is no effective protein synthesis.

That said, if you consume a quality whey, you already get a good dose of BCAAs. It is therefore not necessary to add more, except in very specific cases.

Taking BCAAs may be useful just before training, especially to limit muscle catabolism during long or intense sessions. But if your protein intake is generally sufficient, it is not essential.

In summary :

• BCAAs are already present in good amounts in a good whey
  
• Taking extra BCAAs is only useful in certain very specific contexts
  
• The priority remains having appropriate protein intake throughout the day

📚 Read also | Comparison of the best BCAAs

Whey or creatine?

This is a question I’m often asked, and in reality… they are two very different things.

Creatine is an amino acid derivative naturally present in the body, especially in the muscles and the brain. It is produced by the kidneys, liver, and pancreas from three amino acids: arginine, glycine, and methionine. Its role is to provide energy quickly during short, intense efforts. It is therefore particularly useful for strength, power, or bodybuilding sports.

Whey, on the other hand, is a source of protein. It is used to support muscle recovery and the development of lean mass after exercise. So it has nothing to do with creatine.

In summary:

• Creatine boosts performance during workouts.
• Whey helps with recovery and muscle building.

The two can be complementary, depending on your goals.

📚 Read also | What is the best creatine on the market?

Does whey help you lose weight?

No, whey is not a weight-loss product. Its main role is to support muscle growth or maintenance, especially in active people.

However, building muscle mass helps increase your basal metabolic rate, which is the amount of energy the body uses at rest. In this context, if the diet is hypocaloric (calorie intake lower than needs), whey can indirectly help promote fat loss by limiting muscle wasting and making recovery easier.

Are there any dangers or contraindications to consuming whey?

Whey protein itself is not dangerous. If it is used to supplement protein intake in a balanced diet, it can even be very useful: for athletes, vegetarians, or simply those who have trouble meeting their daily protein needs.

But like anything, excess is what causes problems. When you consume too much protein over the long term, especially as part of a diet that is already too high in calories, there can be unwanted effects: digestive issues, strain on the kidneys or liver, and even unwanted weight gain.

In some young people, there may also be a possible worsening of acne, especially with regular whey consumption in an unbalanced context.

People who have kidney failure, even mild, must be very careful. In this case, it is truly not recommended to consume whey without medical advice.

Is whey essential for building muscle?

No, clearly not. I am often asked the question, and I will repeat it: you can absolutely build muscle without ever touching a shaker. What matters is getting enough protein throughout the day, and that can work very well with a regular diet: meat, fish, eggs, legumes, tofu, dairy products…

Whey is just a tool. It can help when you have a busy schedule, a small appetite, or slightly higher needs. But it is neither essential nor magical. If your plate is well balanced, you can do without it very well.

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