Protein Cold Brew

  • With 24 g protein for muscle growth & maintenance¹²
  • With real coffee
  • Sugar-, fat- & lactose-free

€29,90 €83,06/kg, incl. VAT, excl. shipping

Delivery in 5-7 working days

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Isoclear Whey Protein Isolate

Refreshingly clear protein drink

From €1,65 €3,29

Scientifically developed
Balanced flavor profiles
Lab-tested quality

Flavour profile

Over 40 prototypes led to flavours that perfectly combine depth, balance and performance. Created by sensory experts and athletes who fine-tuned every flavour down to the last detail in our Hamburg lab.

Dark Roast

Sweetness
Intensity
Saltiness
Consistency
Light & clear
Primary Note
Intense coffee brew & roasted coffee
Secondary Note
Dark cocoa & warm, lightly nutty roasted notes

Refreshingly different

Refreshing coffee meets high-quality protein - for your start to the day or your next workout.
24 g protein & 80 mg caffeine per serving²
Whey isolate with complete amino acid profile
Supports muscle growth & maintenance¹
Sugar-, fat- & lactose-free³
With real coffee
Refreshing taste & perfect solubility

Developed for your progress

Whey isolate

Whey isolate convinces with its clear consistency and a subtle taste. Thanks to precise microfiltration, a particularly pure protein source with 90-95% protein content and a complete amino acid profile is created.

Independently lab-tested quality

ESN product batches are tested by the independent laboratories GBA (Gesellschaft für Bioanalytik) and IfP (Privates Institut für Produktqualität) for product safety and accurate ingredient information, among other things. The reports are available as PDFs.

  • 80,000+ tests per year
  • Developed by experts
  • FSSC 22000 & HACCP certified

Frequently bought together

Optimise your training with these combined products.

Total price:

€29,90

The experts behind ESN

Nicolas Lother
Chief Product Officer
For us, quality isn’t a single step but the sum of everything – from the first idea to the finished product.
Stefan Schwarz
Vice President Quality
Others rely on spot checks – we don’t. Because mistakes happen at random, we consistently test every raw material and every batch in our in-house lab, without exception.
Dr. Mike O'Leary
Head of Product
A product can work as well as you like, but if the taste isn’t right, it doesn’t make it into our range. For me, effect and enjoyment always go hand in hand.
Daniel Margis
Research & Innovation Scientist
For me, every formula starts with one question: what does the latest research really say? Only then do we decide on ingredients and dosage.
How our product ratings are compiled and verified

All reviews that meet our guidelines are published – whether they’re positive or negative. Product reviews can only be submitted by people who have bought the product on esn.com and used it themselves. Reviews can only be left via a personal invitation by email.

Still have questions?

Find out more about the product here.

What is a Protein Cold Brew?

A Protein Cold Brew is a clear, cold coffee combined with high-quality protein, usually whey isolate. Unlike classic protein shakes, it is clear, refreshing, and not milky. It is typically used to combine protein intake and caffeine consumption in one step. It provides caffeine from coffee while supporting muscle growth and maintenance.¹

What problem does a Protein Cold Brew solve?

  • A Protein Cold Brew is especially useful if you’re looking for a refreshing, simple, and quick alternative to traditional protein shakes.
  • More refreshing than classic shakes
  • Many protein shakes are creamy. A Protein Cold Brew, on the other hand, is lighter and more refreshing – ideal between meals or on warm days.
  • Two functions in one drink
  • Instead of consuming coffee and protein separately, a Protein Cold Brew combines both in a single drink.
  • Less sweet, cleaner taste
  • Compared to many coffee beverages, a Protein Cold Brew is often less sweet.
  • Easy to fit into everyday life
  • With no preparation required, a Protein Cold Brew can be easily integrated into your daily routine – whether on the go or at the office.

How is a Protein Cold Brew used in everyday life?

A Protein Cold Brew fits into many everyday situations and is used flexibly: in the morning as an alternative to classic coffee, on the go as a convenient option, throughout the day to support protein intake, after workouts as part of your nutrition, or on warm days as a refreshing drink. This makes it especially suitable for situations where things need to be quick and easy.

Who is a Protein Cold Brew suitable for?

A Protein Cold Brew is suitable for anyone who wants to combine functionality and refreshment. This includes people with active lifestyles, those looking to supplement their protein intake, coffee drinkers seeking a more refreshing option, and anyone who doesn’t enjoy creamy shakes. It is often chosen when a simple and convenient solution is needed.

What should you consider when choosing a Protein Cold Brew?

When choosing a Protein Cold Brew, it’s worth considering a few key factors: the protein source used (e.g. whey isolate), the protein content per serving, a low sugar content, the caffeine content, a clear and not overly sweet taste, and a clean ingredient list. A good product should be clear, balanced, and enjoyable to drink.

How does a Protein Cold Brew differ from other protein shakes?

A Protein Cold Brew stands out mainly due to its clear and refreshing format. Compared to protein shakes, it is not creamy but light and refreshing. Compared to classic iced coffee, it is often more minimal and less sweet. This category is typically defined by the combination of coffee, protein, and a light, clear consistency.

High caffeine content (16 mg / 100 ml). Not recommended for children or pregnant or breast-feeding women.

1 Proteins contribute to an increase in muscle mass. Proteins contribute to the maintenance of muscle mass. 

2 One serving contains 30 g of powder and 250 ml of water or milk.

3 Lactose content < 0.1 g/ 100ml. Sugar-free because < 0.5 g of sugar in the drink prepared according to the recommended intake.

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