Extrifit I have nothing, I am starting Vol. II.

The package contains:

• 1x 100% Whey Protein 900 g (Extrifit)
• 1x BCAA Instant 300 g (Extrifit)
• 1x Creatine Monohydrate 400 g (Extrifit) FREE
• 1x Shaker 600 ml (Extrifit) FREE

100% Whey Protein 900 g

“The tiramisu dessert flavor contains caffeine—not suitable for children or pregnant women (the daily dose contains 18 mg of caffeine).”

100% WHEY PROTEIN—a bestseller that just got even better.

Tweaking the formula of a popular protein is a risk. We went ahead and did it anyway. But don’t worry—the solid foundation remains: highly digestible and easily soluble ultrafiltered whey concentrate WPC 80. Each scoop still delivers 22–23 g of protein to support muscle growth and maintenance during a demanding diet.

But now we’ve also enhanced the protein with an additional 1,500 mg of L-glutamine —an amino acid that has a firm place in sports nutrition. And that amazing flavor? We could talk for hours about how we fine-tuned it. But what’s the point? Just give it a try and let your shaker decide.

Now available in a doypack.

You can also get the improved formula in a convenient doypack—it’s lightweight, compact, and perfect for keeping a solid dose of protein always within reach. The pouch seals easily, and the high-quality barrier material helps preserve the product’s flavor, aroma, and consistency.

Key Benefits:

• NEW: 1,500 mg of L-glutamine in every serving
• NEW: An improved flavor you’ll love
• NEW: In a convenient doypack
• Perfect solubility, no clumps
• Excellent digestibility
• High-quality European whey concentrate
• 22–23 g of protein per serving, depending on flavor
• 4,500 mg of BCAAs per serving

Proof of its popularity.

Since launching the first version, we’ve produced more than 628,000 kg of protein! That’s no coincidence. This protein has earned its place among customers—with a pure whey base, excellent solubility, great taste, and a fair balance of price and quality.

Whether you’ve been mixing our 100% WHEY for years or are just discovering it, your trust drives us forward—to fine-tune our formulas, improve the taste, and take our products to the next level.

Thanks for being on this journey with us! And now we’re moving forward. Even more delicious than before.

EXTRIFIT® Proteins—Made in the Czech Republic since 2010

We manufacture our product under one roof in Dolní Újezd: in-house development, our own technology, and our responsibility for every gram. We keep the entire process firmly in our hands—from the careful selection of raw materials, through testing and mixing, all the way to packaging and shipping. No anonymous factories, no outsourcing. Just precise manufacturing and a result we stand behind.

BCAA Instant 300 g

A very typical characteristic of BCAA Instant is the drink’s slightly bitter taste. How is this possible? The bitter taste is characteristic of products with a very high BCAA content. Note that one scoop, weighing 6.5 g, contains a full 5 g of pure BCAAs! With other brands, you often won’t find even half that amount of BCAAs in a single scoop. In short,^Extrifit® has created a top-of-the-line instant BCAA—free of sugar, fat, and any artificial additives!

About BCAA Amino Acids

BCAAs—the branched-chain amino acids L-leucine, L-isoleucine, and L-valine—are classified as essential (indispensable) amino acids and are found directly in muscle tissue, where they can be used as an important source of energy for muscle work or as building blocks for muscle mass. BCAA amino acids are commonly found in the diet and are therefore completely natural substances for the human body.

Optimal ratio of 2 : 1 : 1

The 2:1:1 ratio corresponds to physiological needs and the proportion of BCAAs in animal proteins, which are considered the highest quality for supporting and maintaining muscle mass. A higher proportion of leucine (e.g., 8:1:1) may not result in greater utilization of leucine; in fact, it may even impair the utilization of other BCAAs, as Wolf’s law of essential amino acid excess applies ("the intake of any essential amino acid in large excess disrupts the metabolism of other amino acids and intensifies the effects of the limiting amino acid"). The 2:1:1 ratio is therefore optimal for maximum BCAA utilization.

Achieving Maximum BCAA Effects

Proper timing of BCAA intake—as well as the form in which you take them—is crucial for their effectiveness. It is possible to take BCAAs throughout the day, for example, during cutting, but the primary time for intake is around your workout. And that’s when you need a form of BCAAs that is absorbed as quickly as possible and won’t burden your digestive system. BCAA Instant is ideal for this purpose. The free-form branched-chain amino acids in the drink are absorbed exceptionally well, becoming available to your muscles almost immediately, while also providing your body with essential fluids in the form of a delicious drink.

They meet the most demanding requirements of athletes

Thanks to its zero sugar and fat content, the drink is suitable even for strict diets and during cutting. Extrifit’s BCAA Instant dissolves perfectly; the drink is ready in a few seconds, and you can take it anywhere throughout the day—start drinking it before your workout and continue during it, however you need. BCAA Instant meets the standards of even the most demanding athletes in every respect.

Vojta Koritenský drinks up to 20 grams of BCAA Instant throughout the day!

Key benefits of BCAA Instant:

• high BCAA content in a true instant form
• optimal 2:1:1 ratio
• free of unnecessary additives that would reduce product quality
• no sugars or fat
• suitable even for strict diets
• easy on the stomach
• excellent absorption, immediately available to the muscles
• natural colors and stevia sweetener
• the drink is ready in seconds
• suitable before, during, and after exercise, or anytime during the day
• 9 delicious flavors

Crea Monohydrate 400 g

Crea Monohydrate contains creatine in the form of 100% micronized creatine monohydrate. Creatine enhances physical performance during successive short-term intervals of high-intensity physical activity, such as bodybuilding or strength training at the gym. You’ll see results when you consume at least 3 g of creatine daily.

Creatine is a naturally occurring substance found in the human body; it is not addictive or toxic, even at higher doses. Excess creatine that the body does not use is excreted in the urine.

600 ml Shaker

A 400-ml shaker, slim in design and tapering toward the bottom. The sides feature contoured, non-slip sections, ensuring a secure grip. On the back, you’ll find measurement markings in ml/oz and a window for visual checking of the contents. The shaker includes a spring-loaded ball for better mixing of the drink. The container has a matte, slightly translucent finish, and the side with the scale is transparent.

The contents do not leak thanks to the high-quality screw-on lid. The shaker’s contents are visible through the translucent sides with the measurement scale. The shaker’s volume, as indicated by the top mark, is 400 ml.

Dishwasher, microwave, and freezer safe. BPA-free.

Wash thoroughly before and after use. Stir carbonated beverages with a spoon before closing the bottle.

Note: Not suitable for long-term food storage.

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