Best whey protein 2026: 15 brands tested and compared – our verdict

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

Whey comes from the dairy industry; it is obtained from the milk whey, or liquid whey. Milk whey is obtained at the time of milk coagulation 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 from 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 cover their protein needs and to increase their muscle mass.

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

To make things clearer,  we tested and compared 15 of the best-selling whey products on the Internet, according to 5 quality criteria determined by Maxime Mességué, dietitian nutritionist. We then highlighted 3 products that stood out during our analysis.

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

The product ranking is established by our editorial team, based on objective criteria. The methodology and scientific content were produced by Maxime Mességué, who participates as a scientific expert. 

Best wheys: our opinion

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#1: BEST WHEY 2026 🥇

Nutripure is a French brand created in 2018 by two high‑level athlete brothers. Their ambition is to create a brand of “perfect” dietary supplements, meaning without any controversial substances and with optimal quality. 

Nutripure Native Whey Isolate contains 94 g of protein per 100 g with 22.4 g of BCAAs per 100 g, which is particularly high.  It contains very little fat (1.9 g) and carbohydrates (3 g).

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

Nutripure does away with any controversial substances: this whey contains only milk isolate and sunflower lecithin, an emulsifier that is not problematic. The powder therefore mixes very well and does not form lumps.

There is also a cocoa version that adds a gourmet touch without any artificial aftertaste, although we would have liked a slightly sweeter taste.

This whey is one of the most expensive in our comparison (46.5 euros per kg), but in our opinion the price is fully justified by the quality of the product.

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BEST ALTERNATIVE ⭐

Nutri&Co is a French brand created in 2017. It specializes in selling dietary supplements designed to improve health, beauty, and sports performance. Its goal is to provide the best possible quality with simple formulas and no controversial ingredients, at a fair price.

Nutri&Co’s chocolate-flavored isolate and native whey contains 83 g of protein per 100 g with 24.8 g of BCAAs. This composition is very rare for a whey and is evidence of exceptional milk quality. It contains 5.3 g of carbohydrates, which is at the lower end of the comparison range.

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

The milk from which the whey is derived comes from pasture-raised French cows, which is currently the best possible quality for a whey.

Nutri&Co whey contains only 2 additives: xanthan gum and sunflower lecithin. They are not controversial. The brand has chosen not to use artificial sweeteners: for the sweet taste, only steviol glycoside (from stevia) is used.

The powder mixes well and does not form lumps, its chocolate taste is pleasant, with no chemical aftertaste.

The Nutri&Co brand also has an excellent rating of 4.5/5 on the Trustpilot website, with many positive reviews highlighting the quality of the products, the brand’s transparency, and the responsiveness of customer service.

This whey is among the most expensive on the market at €49.90 per kg, but quality has a price!

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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 brand in France for the distribution of fitness equipment and sports nutrition products.

AM Nutrition’s whey isolate contains 85 g of protein per 100 g, with 17.5 g of BCAAs: it has an excellent composition.

It contains very little fat (1.4 g per 100 g) but a rather high amount of carbohydrates (9 g). This is uncommon for an isolate. This indicates a larger amount of lactose than in some isolates. This can be problematic for people who are sensitive or intolerant.

AM Nutrition whey is native; it does not come from a byproduct of the cheese industry but directly from milk, so it is of higher quality because no heat treatment is used for protein extraction.

The milk used is French.

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

We liked the texture a bit less; it is rather thin and foamy on the surface, with a few lumps. This texture is certainly due to the absence of a texture agent in the formula.

This native whey isolate can be bought at a very reasonable price considering its premium quality and formulation. Its price is €34.20 per kg when using a -20% promo code that is always available on the site: it’s unbeatable.

For us, this is the whey with the best quality/price ratio.

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The other wheys in the comparison

Protein Works – Whey Protein 80

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

Despite the presence of a few additives, the lack of information on origin and the lack of detail on the amino acid profile, it is still a convincing option for smaller budgets.

Nutrimuscle – Native whey isolate

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

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

Foodspring – Whey Protein

A blend of whey concentrate and isolate, with a multitude of original flavors and an overall creamy texture, despite a few possible lumps.

Made from the milk of grass-fed, pasture-raised cows in New Zealand, it is notable for the low amount of protein it provides, the lowest in our comparison. We also question the relevance of such distant sourcing for a quality that still has room for improvement.

Optimum Nutrition – Gold Standard 100% Whey

Historic brand, this whey combines isolate, concentrate and hydrolysate for fast absorption. We appreciated the chocolate flavor for its balance, with a smooth texture and no lumps. 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 bit 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 not very sweet, the texture is creamy and the solubility is flawless. It clearly positions itself in the high-end segment, with a price to match.

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

Eiyolab – Isolate HT

Highly protein-rich whey isolate (86%), with an exemplary BCAA amount of 20 g. Its texture is quite liquid, dissolves well, and has no lumps.

The milk used comes from Europe, which is a good point, but it’s still a bit vague: we regret not having more information about traceability. Also beware for sensitive palates: the sweet taste is particularly pronounced.

My Protein – Impact Whey Protein

Ultra-popular concentrated whey, with a wide choice of flavors (36!). The chocolate flavor is very sweet but indulgent. The texture is fluid, the solubility good, making it an ideal low-cost option for regular use.

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

Bulk – Pure Whey Protein

This whey concentrate has a decent, though not optimal, protein content and a rather low amount of BCAAs compared to other wheys on the market. We found it overall well balanced, with a creamy texture, even if it can sometimes form lumps. The vanilla flavor is classic and well balanced. It comes from pasture-raised cow’s milk, which is appreciable, especially at this price.

We know it comes from Europe, but we would have liked more details for complete traceability.

NU3 – Performance Whey

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

The vanilla flavor is intense, even too much for me. It contains 3 non-controversial additives, which is rather reassuring, even though 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 a BCAA amount 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 excessive number of additives, some of which raise questions. Another weak point: the complete lack of information on the origin of the milk.

Scitec Nutrition – 100% Whey Protein Professional

This whey concentrate is enriched with enzymes, glutamine and BCAAs, but despite this, it contains little protein and a low amount of BCAAs compared to 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 found the aftertaste a bit too lingering. As for solubility, nothing to complain about, it’s perfect. However, there is a real lack of transparency about the origin of the milk, and its price is clearly high given the quality offered.

AMFIT – Whey Protein

This simple and very economical whey is a blend of concentrate and isolate. The protein content is not particularly high, and the absence of an amino acid profile does not allow us to know the actual BCAA content, which is a shame. Its texture is a bit grainy, the strawberry flavor remains subtle, and a few lumps may appear.

It’s still fine for getting started or as a backup option, but we regret the lack of transparency about the origin of the milk and the formulation. This clearly shows in its low overall rating.

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Full ranking

Notes sur 5	Note globale	Nutrition	Sécurité	Gout	Solubilité	Marque
# Best whey 2026 🥇 > Nutripure – Native Whey Isolate	5.0	5	5	5	5	5
# Best alternative ⭐ > Nutri&co – Native Whey Isolate	5.0	5	5	5	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
Eiyolab	4.0	5	4	3	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 my full comparison table here (Google Sheet)

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Methodology

To create this comparison, I defined 5 qualitative criteria based on the characteristics of the products and on real-life testing of each of the 15 whey proteins.

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

For each whey, you also need to look at the price per kg, in order to highlight the best options in terms of value for money.

→ Access my full comparison table here (Google Sheet)

1. Nutritional value

To compare the nutritional value of the different wheys, I defined two main criteria: their protein content and their BCAA richness.

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

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

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

The BCAA content (branched‑chain amino acids) is also an essential criterion. The more BCAAs a whey contains, the more effective it will be in supporting muscle building. It is also a reflection of the quality of the milk used and of a gentle extraction process, which helps preserve the integrity of the proteins without denaturing them.

2. Safety

To rate the safety of the different wheys I defined 4 sub‑criteria:

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

• Whether the protein is native or not
  When whey is native, 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 quantities 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 glycoside. The first 2 are controversial, whereas steviol glycoside currently appears to be harmless.

3. Brand reputation

To assess the reputation of the different whey brands, I used the following criteria:

• The age of the brand
  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. For me, this is a real sign of reliability.

• Presence on Instagram
  The comparison takes into account the size of communities on Instagram. This 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
  The comparison is based on the feedback available on platforms such as Amazon, Trustpilot or Avis Vérifiés (depending on the one most used for each brand). Ratings of brands with fewer than 100 reviews were not taken into account, as that seems too unrepresentative. On the other hand, 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 doesn’t form lumps is, in my opinion, a whey that is pleasant to consume.

Darwin Nutrition therefore tested the solubility of the 15 brands by mixing 30 g of whey with 250 ml of water in a shaker. Each whey was shaken for 10 seconds to ensure a fair comparison.

5. Taste

This part is more subjective, so the tests are based on personal tastes.

What was evaluated:

• Texture, giving preference to creamy textures 
• The strength of the sweet taste, giving preference to less sweet whey.
• The naturalness of the taste, giving preference to natural flavors and penalizing tastes that are too artificial

6. Price per kg

Darwin Nutrition compared the prices of the “small” sizes, the sachets ranging from 750 g to 1 kg. Indeed, prices vary greatly depending on the quantity: the more you buy in large quantities, the lower the price per kilo.

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

The price per kg is not included in the calculation of the final score, but it allows you to have 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 mainly comes from the cheese industry. 

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

It contains around 80% protein, but also fats and lactose. Its cost is relatively low, which makes it an attractive option for small budgets. However, people who are sensitive to lactose should be careful because it is less digestible.

Native whey

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

This whey is purer and therefore better absorbed and more easily digested. 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 an additional filtration. Most of its fat and lactose have been removed. 

It is particularly 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 around 90% protein, but its production is more expensive.

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

📚 Read also | Best whey isolate: a dietitian’s selection

Hydrolyzed whey

Hydrolyzed whey is a whey isolate that has undergone an additional enzymatic treatment. This process results in a kind of pre-digestion of the proteins, which makes them more rapidly 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 issues or for athletes whose sport requires an immediate protein intake: very intense training sessions 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 factor should be taken into account 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 the form of protein powders.

These substitutes, suitable for a vegan diet, are often made from a blend of pea, rice, hemp, and soy proteins 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 in the case of regular or intensive sports activity.

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

In short, whey is not a meal replacement, but a convenient supplement to optimize your 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 already covers a good part 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 promote muscle recovery. This corresponds to a standard serving, easy to fit into your day.

There’s no point in consuming it in excess: what matters is the balance of your total protein intake over the day, not the amount of whey itself.

How many times a day can you take whey?

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

For example, a person who eats a lot of meat, fish, eggs, or dairy products will probably not need more than one serving (or even none). Conversely, someone who follows a diet low in animal products or who has very high needs (intensive training, bulking) can take it twice a day.

What matters is not the number of servings, but the total amount of protein over the day. Whey simply complements your diet, it doesn’t replace it.

Where to buy whey?

You can easily find whey online or in stores.

You can find it in stores specializing in sports nutrition, in some large sporting goods stores, and even in pharmacies. And of course, online, either on platforms like Amazon, or directly on brand websites, which sometimes allows you to benefit from advice or exclusive promotions.

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

The most important thing is to choose a brand that is transparent about its composition, with good traceability of the ingredients.

When should you take whey?

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

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

You can also take it as a snack, especially if meals are far apart or low in protein, or include it in a meal (in porridge, a smoothie, etc.) to make the dish richer in protein.

The main thing to 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, in line with your needs at each moment of the day.

Whey or casein?

Whey, or whey protein, comes from whey, meaning the liquid part of milk after coagulation. It contains soluble proteins that are small, very easy to digest, and quickly absorbed. This is what makes it an excellent choice right after a workout, to quickly provide muscles with the acids they need.

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

Their use is therefore different: casein is often taken in the evening, to slowly release protein throughout the night, 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 very intense workout routines like bodybuilding. For the majority of exercisers, whey is more than enough.

Whey or BCAAs?

BCAAs (valine, leucine, isoleucine) are three essential amino acids: the body cannot produce 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 quality whey, you are already getting a good dose of BCAAs. It is therefore not necessary to add more, except in very specific cases.

Taking BCAAs can be useful right before your workout, especially to limit muscle catabolism during long or intense sessions. But if your overall protein intake is sufficient, they’re not essential.

In summary:

• BCAAs are already present in good quantities in a quality whey
  
• Taking additional BCAAs is only useful in a few very specific contexts
  
• The priority is still to have adequate 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 that is naturally present in the body, mainly 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 and intense efforts. It is therefore particularly useful for strength, power, or bodybuilding sports.

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

In summary:

• Creatine boosts performance during training.
• 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 make you lose weight?

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

On the other hand, developing muscle mass helps increase the basal metabolism, that is to say the amount of energy the body spends at rest. In this context, if the diet is low-calorie (caloric intake lower than needs), whey can indirectly help promote fat loss by limiting muscle wasting and making recovery easier.

Are there any dangers and contraindications to consuming whey?

Whey 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 people who struggle to meet their daily protein needs.

But as with everything, it’s excess that causes problems. When you consume too much protein over the long term, especially alongside a diet that is already too high in calories, there can be side effects: digestive issues, extra strain on the kidneys or liver, and even unwanted weight gain.

In some young people, a possible worsening of acne is also observed, 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 strongly discouraged to consume whey without medical advice.

Is whey essential for gaining muscle?

No, absolutely not. I get this question a lot, and I’ll say it again: you can absolutely build muscle without ever touching a shaker. What matters is having enough protein intake throughout the day, and this can work very well with a regular diet: meat, fish, eggs, legumes, tofu, dairy products…

Whey is just a tool. It can be handy when you have a busy schedule, a small appetite, or slightly higher needs. But it’s neither essential nor magical. If your plate is well put together, you can easily do without it.

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