Whey Protein Isolate

Buy whey protein isolate powder to meet your nutritional requirements. Find out all the whey protein isolate products on our website:

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Whey Protein Isolate

Isolate is one of the highest quality types of whey protein. Find in HSN the greatest variety, buy the whey protein isolate that best suits you with the best quality-price ratio and discover its advantages.

Get your whey protein isolate from get your reliable online shop

Whey Protein Isolate, also known as ISO, is one of the most sought-after protein sources for supplementing the diets of athletes and people seeking to optimise their protein intake through diet.

Do you want to know all the characteristics of isolate? We tell you all about it on HSN!

Table of contents

What is Whey Protein Isolate?

Whey Protein Isolate is an isolated cow milk protein.

It is obtained by microfiltration and ultrafiltration techniques from the whey of natural milk, which is obtained after coagulating and separating the casein, from which other types of proteins are made.

Isolate is the "purest" version of whey protein (Whey) food preparations, and has:

  • Higher protein percentage.
  • Less carbohydrate and fat quantity.
  • Less chemical damage due to temperature.
What is Whey Protein Isolate?

What is Whey Protein Isolate for?

Protein isolate has the same functions as other dietary proteins. In particular, it is intended for:

Whey protein contributes to muscle mass


Whey protein contributes to good bone maintenance


Whey Protein Isolate Properties and Benefits

Whey Protein Isolate isn't just any protein!

It has several properties that make it possibly the protein source of choice for bodybuilders, fitness enthusiasts, high-intensity athletes, and even people who do not do intense physical exercise and are looking to optimise their diet.

Whey is the highest biological value protein source, and as a result, isolate is a "complete protein".

This means that it provides all the amino acids necessary to fulfil protein functions and, because the body cannot produce them on its own, they must be incorporated through the diet.

One of the most sought-after functions of this supplement is to increase muscle mass.

Protein isolate is an excellent source for this purpose thanks to its high nutritional quality, which makes it a source of amino acids available to increase muscle protein synthesis.

The treatment processes of whey protein isolate make it the cleanest protein, with the highest protein content and lowest carbohydrate and fat content of the whey options.

This is because the combination of ultrafiltration and microfiltration (CFM) allows much more of the protein content to be isolated than in Whey Protein Concentrate (WPC), removing a higher percentage of the carbohydrates and fats naturally present in whey.

Lactose is the sugar in milk, and represents practically all the carbohydrate content of any whey protein.

Isolate is the whey protein with the lowest level of carbohydrates, and therefore, lactose, as the membrane treatment through which the protein is processed filters this sugar, reducing it significantly.

The majority of these supplements has between 1 and 1.5% lactose, tolerable quantities for the majority of people who are lactose intolerant. Even so, is not considered a lactose free product according to European legislative regulations.

Digestion of isolated whey protein is faster than other sources, for various reasons:

Less carbohydrates and fat

As a food preparation with such a low content of these nutrients, it is digested faster than other protein sources that contain more sugars and/or fats.

Rapid absorption

Whey (protein concentrate, isolate and hydrolysate) is rapidly absorbed. This makes it a fast protein, ideal for supplementing breakfasts, as part of a pre-workout and/or post-workout.

Types of Whey Protein Isolate

Whey protein can be divided into two types:

Today, practically all isolated proteins are obtained by CFM, a microfiltration membrane treatment. The differences lie in:

  • The temperature of the treatment.
  • The pH average of the treatment.
  • The number of times the milk has been pasteurised/sterilised.

These differences affect their acidity, solubility, and texture, so it is important to select whey isolate protein products that ensure gentle treatment of the raw material.

Whey protein types

Which is the best protein isolate?

The one that meets the optimal conditions in terms of:

  • Production processes.
  • Quality certifications.
  • Complete nutritional information.
Best protein isolate

What Protein Isolate can I buy?

At HSN we have two types of Whey Protein Isolate, guaranteed to meet all the quality criteria established for a whey protein.

Discover our products and enjoy the best protein isolate supplements for your workouts:

Take advantage of Black Friday and Cyber Monday, at HSN we are already working in 2023.

evolate 2.0 hsn


from SportSeries

With flavours.

How to take Iso Whey Protein?

Combine it with whatever you like!

You can use your whey protein isolate in recipes, or simply in a shakes with water or milk.

People often combine it with dairy, generally skimmed, such as whipped cream cheese; or add cocoa powder to make cakes, pancakes and other fitness baking recipes.

However, the classic use of isolate protein has always been to mix it with water in the quantities recommended by the manufacturer so you alter its nutritional characteristics as little as possible.

How to take Whey Protein Isolate

Recommended quantity of Whey Protein Isolate

The amount of protein in the diet should be considered in relation to variables such as body composition and sporting objectives.

The recommendation for Whey Protein Isolate is to use a 30g scoop once a day, but this amount can (and should) be adapted to the needs of the individual.

The current recommendation for optimising muscle protein synthesis is to consume around 1.6g of protein per kg of body weight per day, from all sources of protein in the diet.

Recommended quantity of Whey Protein Isolate

When to take Whey Protein Isolate?

Protein isolate is very versatile, and you can use it at any time of the day. However, there are 4 times when its consumption is ideal:

Whey protein isolate waking up

During the night we sleep a significant number of hours where we are not feeding.

Consuming a source of protein after overnight fasting should be a priority for any athlete.

Thanks to its rapid absorption, iso whey protein in a shake with water is an excellent choice for this purpose.

Whey protein isolate before training

Whey isolate has excellent digestibility due to its low lactose and low fat content.

Consuming these pre-workout protein shakes with water will allow you to exercise without feeling heavy, but optimising your protein nutrition.

WPI after training

Training is an eminently catabolic phenomenon, as muscle contraction is an energy-demanding process.

Using isolate to provide energy and protein after a hard workout in a shake with water is a classic strategy used by fitness practitioners to help maintain muscle mass.

Before sleeping

Leading authors in the field of nutrition recommend including a source of protein before bedtime, as we do not eat during the night's sleep period.

Whey isolate is a great source for this, as its digestibility allows you to go to sleep with a milkshake without the heaviness that can interfere with rest.

Whether you are an athlete and fitness enthusiast or just want to optimise your diet, HSN recommends this high quality product:



17.04 €
29.90 €
12.86 €!

Frequently asked questions about whey protein isolate

There are many common questions surrounding Whey Protein Isolate. We help you find an answer:

Anybody. We all consume protein in our diet. In fact, they are nutritionally indispensable, and protein isolate is an ideal food preparation for increasing protein intake.

It is usually recommended for athletes, as they require more protein and sometimes find it difficult to meet their needs through regular food intake alone.

Even so, it is still a high quality nutritional food source for anyone interested in increasing their protein intake.

Around 2-3 hours. You can eat before, or even after, but approximately 120 minutes after ingestion, the amino acid concentration starts to decrease and it is time for another protein intake.

Yes. Whey protein isolate combines with a multitude of food supplements, in fact there are no known negative interactions with these products.

A classic and highly recommended combination is to mix creatine monohydrate and whey isolate protein in the same shake.

Yes. Heating the protein may make it mix worse or taste different, but it can be done without a problem.

There are no serious side effects. The most common adverse effects are mild digestive discomfort, usually resulting from difficulty in digesting a large amount of dietary protein in bolus all at once).

Digezyme® complex enzyme is an example of enzymes used by Evolate 2.0 with proteases, enzymes that facilitate the degradation of protein structures.

In healthy subjects, with no previous pathological conditions, there appears to be no risk.

Research by Antonio, J., a researcher specialising in the potentially adverse effect of high protein intake, consistently shows that high diets of more than 3g/kg/day are not harmful for periods of up to one year.

People with any type of pathology should consult their doctor before starting a specific dietary programme.

Both whey protein isolate and whey protein concentrate are great options. Whey Protein Iso is a superior version, containing more protein and less carbohydrates and fat.

This difference becomes more latent in definition processes or weight loss, where daily caloric consumption is lower. In volume or mass gain phases, the differences are smaller.

No. Isolate is a nutritional source of protein for both men and women, and has no virilising effects and does not cause excessive muscle mass gain. Isolate protein products for women are therefore just marketing.

Hydrolysate is a protein isolate that has undergone a hydrolysis process, and is therefore a lactose-free protein.

Hydrolysed protein can also be better than protein isolate before and after training, as its digestibility is even better.

No, isolate whey protein isn't fattening. In fact, it is a food preparation with a moderate amount of calories (A serving of WPI provides around 120kcal); so it can be a very useful substitute to other protein foods with more fat and/or carbohydrates in stages of fat loss.

No. Meal replacements must meet the criteria set out in the Commission Directive 96/8/EC of 26 February 1996 concerning foods intended for use in energy-restricted diets for weight reduction, and Whey Protein Isolate does not meet the required characteristics.

What it can do is substitute protein-rich foods within meals in a healthy, complete and balanced diet.

It is not suitable for milk protein allergy sufferers, but is suitable for other allergies. Suitable for vegetarians, but not for vegans.

Watch out!

Many whey protein isolates are not suitable for soy allergy sufferers, as they use soy lecithin. At HSN, Evolate 2.0 and 100% Whey Protein Isolate are free of this ingredient.

Independently accredited. Any other method (solubility, texture and acidity) is neither reliable nor sensitive to the nutritional quality of the product.

Look for companies with certifications that guarantee the quality standards of the production process:

  • GMP, GWP, GHP.
  • Complies with ISO norms.
  • IFS / BRCGS.
  • HACCP.
  • Internal control processes under own criteria.

HSN is a company concerned with and committed to doing well in the sports nutrition industry. HSN Quality warranty has several of the most recognised certifications, and we are also working to obtain additional certifications.

Typical Nutritional Table for Whey Protein Isolate

 Quantity per 100 g
Energy Value1636 kJ/385 Kcal
Fat1 g
     Of which saturates0,7 g
Carbohydrates1,2 g
     Of which sugars1,2 g
Protein93 g
Salt0,45 g