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Protein powder: how to choose the right formula for your goals and budget

Protein powder can make it easier to get your daily protein after a workout, between meals or during a busy day. But not all powders are equal, and they do not meet the same needs. A whey protein designed for strength training is, for example, entirely different from an instant cocoa powder or a chocolate drink powder.

Before placing your order, it is best to avoid three common misconceptions:

  • Taking the packet weight as its actual protein content: a large pack may also contain significant amounts of sugar, flavourings or texturing agents.
  • Relying solely on the promise of rapid absorption: when choosing between whey concentrate, whey isolate and hydrolysate, you should also consider the price, ingredients and digestive tolerance.
  • Confusing chocolate powder with a protein supplement: some cocoa drinks contain mainly sugar and barely a few grams of protein per 100 g.

What to check on the label

1. Protein content per serving and per 100 g

The serving recommended by the manufacturer shows you how to use the product. However, to compare different products fairly, the value per 100 g is still the most useful figure. Whey generally provides around 22 to 24 g of protein per 28 to 31 g serving, whereas classic chocolate powder may contain as little as 4 or 5 g of protein per 100 g.

You should also check:

  • the exact weight of one serving, generally between 28 and 33 g;
  • the amount of carbohydrates and sugars;
  • whether it contains fat;
  • the actual number of servings in the packet.

A low-sugar protein powder may be suitable if you want to limit added carbohydrates. However, bear in mind that “low sugar” does not mean “sweetener-free”. To find out what the formula really contains, read the ingredients list.

2. The type of protein

Whey protein comes from milk. It is usually mixed with water, milk or a plant-based drink. Whey isolate contains a high proportion of whey protein isolate. It is often preferred by consumers looking for a formula that is high in protein and low in carbohydrates and fat.

Micellar casein is a dairy protein that is digested more gradually. It can be useful in the evening or between meals, depending on your habits and diet. It does not replace a balanced meal: its value depends above all on your total protein intake.

If you are sensitive to certain allergens, check whether the product contains milk, soya, egg, gluten or nuts. The recipe may vary from one flavour to another, sometimes even within the same range.

3. Pack size and ease of use

A large tub can sometimes reduce the cost per serving, but it is mainly aimed at people who consume this type of product regularly. For travelling, individual sachets are easier to measure and carry. A protein shaker allows you to prepare a drink quickly, although a glass and a spoon may be enough for some instant formulas.

Always follow the serving size stated on the packaging. Protein powder is still a supplement: it should form part of a varied diet and should not replace meals. If you are pregnant or breastfeeding, taking medication or have a health condition, seek advice from a healthcare professional.

Our selection for different needs

The products shown below are not intended for the same purpose. This comparison is based on the composition and usage information provided for each product.

Recommended for : beginners on a tight budget
Optimum Nutrition Gold Standard 100% Whey Protein Vanilla Ice Cream 450g

Optimum Nutrition Gold Standard 100% Whey Protein Vanilla Ice Cream 450g (15 servings)

Why this product suits this profile : At 450 g, this whey allows you to try the formula without committing to a large pack straight away. According to the product information, each serving of around 30 g provides 24 g of protein and 0.9 g of sugar.

How this product avoids the common pitfall

The protein content per serving is clearly stated. This means you cannot confuse the total packet weight with the amount of protein actually provided.

Main benefit and key features

Blend of whey isolate, concentrate and hydrolysed whey; 450 g pack; vanilla flavour; contains milk and soya lecithin.

Recommended for : premium-product enthusiasts
Optimum Nutrition 100% Whey Gold Standard Vanilla Ice-Cream 780g

Optimum Nutrition 100% Whey Gold Standard Vanilla Ice-Cream 780 g (26 servings)

Why this product suits this profile : The 780 g pack is suitable for regular users who want to take protein after training or between meals.

How this product avoids the common pitfall

The product information states that each 30 g serving contains 23.7 g of protein and clearly distinguishes the protein blend from the other ingredients.

Main benefit and key features

Approximately 79 g of protein per 100 g; 1.3 g of fat per serving; mix with 180 to 240 ml of liquid.

Recommended for : specific uses and high-frequency users
BODY & FIT Whey Perfection Cookies & Cream Milkshake 2260 g

BODY & FIT Whey Perfection Cookies & Cream Milkshake 2260 g (81 servings)

Why this product suits this profile : This large pack is aimed at people who regularly consume whey at home, particularly those doing strength training and taking several servings a week.

How this product avoids the common pitfall

The values are given for a 28 g serving: 22 g of protein, 1.5 g of sugar and 1.6 g of fat. The stated pack size contains approximately 81 servings.

Main benefit and key features

Blend of whey isolate, concentrate and hydrolysate; stated low sugar and fat content; cookies and cream flavour.

Recommended for : specific uses and high-frequency users
Optimum Nutrition Gold Standard 100% Casein Strawberry Delight 924g

Optimum Nutrition Gold Standard 100% Casein, Strawberry Delight 924 g (28 servings)

Why this product suits this profile : This micellar casein is aimed at people looking for a protein that is digested gradually, for example in the evening or when there is a particularly long gap between meals.

How this product avoids the common pitfall

The product information specifies that this is micellar casein, not fast-absorbing whey. It therefore meets a different need rather than making a one-size-fits-all promise.

Main benefit and key features

24 g of protein per 33 g serving; 0.6 g of fat; 88% micellar casein according to the stated composition.

Do not confuse protein powders with chocolate powders

For making a chocolate drink for the whole family, an instant cocoa powder may be more suitable than whey. Nesquik Original Chocolate Powder 300 g contains 23% cocoa and 75 g of sugar per 100 g of powder. BENCO Original Chocolate Powder Granules 800 g also has a high sugar content, with 78 g per 100 g. These products are designed to flavour milk, not to provide as much protein as whey.

Designed for hot drinks, desserts and baking, VAN HOUTEN VH1F Cocoa powder 14.7% 1 kg is presented as a cocoa powder providing approximately 20 g of protein and 1.5 g of sugar per 100 g. Its composition and intended use nevertheless remain very different from those of a supplement designed for strength training. Check the label of the product you receive before using it, particularly to identify allergens and preparation instructions.

Looking for more options ?

We have put together a complete, real-time updated list of products that fully meet these demanding selection criteria and European safety regulations.

Frequently asked questions about protein powder

When should you take protein after training?

You can take a serving after training, but also at breakfast or between meals. The best time depends mainly on your routine and your daily protein intake. Stick to the serving size stated on the packaging rather than taking several servings in succession.

How long does protein powder keep?

Follow the date shown on the packet. Once opened, keep the product tightly closed in a dry place, away from heat and moisture. If the powder clumps, develops an unusual smell or has a noticeable change in taste, it is best not to consume it.

How do you prepare a lump-free protein shake?

Pour the water or milk into the shaker first, add the powder, then shake for a few seconds. Follow the recommended volume, generally between 180 and 300 ml depending on the formula. For a thicker texture, you can slightly reduce the amount of liquid without increasing the recommended amount of powder.