Klean Athlete Klean Isolate

Klean Athlete Klean Isolate

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  • 20 g of protein per serving 
  • NSF-certified for sport: no banned substances and product matches what is on the label 
  • Gluten-free, GMO-free, and no artificial coloring, flavoring, or sweeteners 
  • Available in 4 flavors 

Pros & Cons

What we like ...
  • NSF-certified for sport
  • Available in single-serving sachets
  • No artificial flavor, color, or sweeteners
  • Available in 4 flavors, including unflavored
What needs improvement ...
  • 20 g of protein per serving
  • Limited reviews
  • Not widely available in stores

Product Summary

Klean Athlete Klean Isolate provides 20 grams of protein without any artificial flavors, sweeteners, or coloring. This powder contains all the essential amino acids, including BCAAs, for muscle building. Klean Isolate is NSF-certified for sport, meaning it is free of banned substances and the ingredients on the label match the product. Klean Athlete recommends taking one scoop mixed with 10 to 12 ounces of water. 

There aren’t very many reviews of the Klean Isolate, but the limited reviews are all very positive. Customers thought the powder tasted good and mixed well. They also liked that there were no artificial flavors or sweeteners.


Serving size:

22.3 g (1 scoop)

Servings per container:

20 or 10 single serving sachets

Price per serving:

$2.87 (20), $4.47 (single serving sachets)

Protein per serving:

20 g

Carbs per serving:

1 g


Chocolate, Vanilla, Strawberry, Unflavored

GGR Community Reviews

Klean Athlete Klean Isolate

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      Klean Athlete Klean Isolate is a clean and transparent protein option that is NSF-certified for sport.This supplement is for people that are willing and able to spend extra money to know exactly what is in their supplements.