Whey Concentrée

Concentrated whey is one of the most popular protein powders among athletes, especially those who practice bodybuilding and fitness. Its composition, rich in high-quality protein, is ideal for muscle growth.

Valued for its nutritional quality, concentrated whey easily integrates into various dietary strategies, including bulking. Understanding its characteristics, benefits, and how to use it allows you to get the most out of it, while making an informed choice in a very vast market.

Concentrated Whey: What exactly is it?

Concentrated whey is a form of protein powder derived from whey, a liquid byproduct obtained during the production of cheese from milk. This whey is then filtered and dried to produce whey powder, which comes in several forms, the most common of which is concentrated whey.

The specificity of concentrated whey lies in its composition, which retains a significant part of the natural components of whey. It generally contains between 65% and 80% protein per serving, which represents a protein intake of between 65 g and 80 g per 100 g of powder. The rest is mainly composed of lactose, lipids, minerals, and water.

In terms of energy, concentrated whey provides an average of 365 to 395 kcal per 100 g, making it an interesting source not only of protein but also of carbohydrates. This caloric intake is particularly appreciated during phases of muscle mass gain, where the goal is to increase body mass by promoting muscle development.

It is important to note that the protein content can vary from one product to another, depending on the extraction methods and the degree of filtration applied by the manufacturer. Concentrated whey, due to its less refined composition than whey isolate, retains more lactose and fat, which can influence its taste.

Manufacturing of Concentrated Whey

The manufacturing of concentrated whey begins during the process of converting milk into cheese. When milk curdles, two phases naturally separate: the solid curd, used to make cheese, and the liquid whey, also called "little milk." It is this whey that is the basis of whey protein.

Step 1: Whey Extraction

After milk coagulation, the whey is recovered. This liquid contains soluble proteins, carbohydrates (mainly lactose), lipids, minerals, and water.

Step 2: Filtration

The whey is then subjected to a filtration process at low temperature, called ultrafiltration or microfiltration. These techniques allow proteins to be concentrated by separating part of the water, lipids, and lactose. Concentrated whey is obtained by less thorough filtration than for whey isolate, meaning it retains a higher proportion of lactose and fats.

This step is crucial because it guarantees the quality and concentration of proteins while preserving certain natural nutrients present in the whey.

Step 3: Drying

After filtration, the protein concentrate is transformed into powder via a spray drying process (the most commonly used process).

Step 4: Quality Control and Packaging

Finally, the resulting powder undergoes rigorous quality controls to verify its protein content, microbiological quality, and product safety. Once validated, concentrated whey is packaged in airtight bags or containers, ready for commercialization.

What is Concentrated Whey used for? What are its benefits?

Concentrated whey is primarily used to supplement protein intake in athletes. Rich in high-quality protein, these essential macronutrients contribute to muscle development, thus aiding in mass gain.

Proteins also contribute to the maintenance of existing muscle mass and to the maintenance of normal bone structure.

With a moderate caloric intake (365 to 395 kcal per 100g), concentrated whey is ideal for controlled mass gain, providing enough protein without excess calories or sugars like some gainers. It also fits perfectly into a balanced diet, helping to preserve lean mass.

When to take concentrated whey?

The ideal time to consume concentrated whey varies depending on individual athletic goals and eating habits.

• After training: The period following exercise is often favored for taking concentrated whey. This moment is conducive to providing protein.
• In the morning and as a snack: A serving can be taken upon waking, especially if breakfast is low in protein. This allows you to start the day with sufficient protein intake. Between meals, whey also makes a convenient and quick snack.
• Frequency of consumption: The quantity and frequency depend on the total protein intake throughout the day. It is recommended to distribute intake over several servings (3 to 5 per day) to optimize assimilation. Concentrated whey can be consumed once or twice a day, without excess.
• Regular consumption: Incorporating concentrated whey daily is safe and beneficial, provided you have a varied and balanced diet.

How to take concentrated whey?

Optimal concentrated whey intake requires a good understanding of dosages, preparation methods, and practical tips to get the most out of its benefits.

Recommended dosage

The amount of concentrated whey to consume varies according to individual protein needs, the intensity of physical activity, and goals (mass gain, muscle maintenance). Generally, a serving of 20 to 30 grams per intake is recommended. This corresponds to approximately one scoop of powder.

Preparation method

Concentrated whey dissolves easily in water, milk, or a plant-based drink. For better assimilation, water is often preferred as it is quickly absorbed.

You can also incorporate concentrated whey into smoothies or homemade recipes (pancakes, protein bars) to vary your diet and enrich your nutrition.

Practical advice

• Respect the schedule: For optimal effectiveness, it is advisable to spread out your intake throughout the day, depending on your meals and training.
• Adjust according to tolerance: Some people may be sensitive to the lactose present in concentrated whey.

Buying Guide: How to choose your concentrated whey?

The protein powder market is now vast, with a multitude of offers and brands. It is therefore essential to make a thoughtful choice to ensure the quality and effectiveness of the product, while avoiding low-quality proteins or those containing undesirable ingredients.

Check ingredient quality

The quality of concentrated whey starts with its protein content, which should ideally be at least 65%. Below this threshold, the product risks being too diluted or enriched with less interesting fillers.

It is also important to examine the ingredient list. Prioritize products with few additives or unnecessary fillers that add nothing to nutritional quality.

Some concentrated whey products carry recognized labels, such as Lactopran®, Digezyme®, Tolerase®, or Lacprodan®, which guarantee a controlled origin of certain nutrients in the formulation. These certifications are a good indicator of seriousness.

Pay attention to vitamin B6 intake

Vitamin B6 plays a role in protein metabolism. Some manufacturers enrich their concentrated whey with vitamin B6, which can be an interesting advantage.

Read the label carefully

The nutrition facts panel is your best ally for choosing suitable concentrated whey. Pay particular attention to:

• The amount of protein per serving.
• The amount of carbohydrates and fats, which influences caloric intake.

Adapt your choice to your goals

• For mass gain, classic concentrated whey is perfectly suitable, thanks to its good balance of protein and calories.
• For people sensitive to lactose or in a cutting phase, a purer and more filtered whey isolate may be preferable.

Concentrated Whey: In summary

Concentrated whey is a protein supplement of choice, one of the most popular in sports nutrition. Rich in high-quality protein, it is suitable for both mass gain phases and balanced diets, thanks to its caloric intake.

Choosing reliable concentrated whey depends on the quality of the ingredients and adaptation to personal needs. By incorporating this product with a varied diet and regular physical activity, it is possible to optimize results, particularly in terms of muscle development.

Source:

1. Antonio J, Evans C, Ferrando AA et al. Common questions and misconceptions about protein supplementation: what does the scientific evidence really show? Journal of the International Society of Sports Nutrition. 2024;21(1). DOI: https://www.tandfonline.com/doi/full/10.1080/15502783.2024.2341903