Rule One R1 Protein Whey Isolate Review
Clean macro profile (110 cal, 25g protein, 0.5g fat, 2g carb) from 100% isolate sources (WPI + hydrolyzed WPI). Informed Choice certified. Own manufacturing facility. No gums. A 'Naturally Flavored' v

R1 Protein Whey Isolate. Our #1 rated protein after testing.

R1 Protein Whey Isolate
Clean macro profile (110 cal, 25g protein, 0.5g fat, 2g carb) from 100% isolate sources (WPI + hydrolyzed WPI).
Evident Ratings
R1 Protein Whey Isolate
Based on hands-on testing + review analysis Compared across protein brands
What We Found
What we liked
Third-party tested (Informed Choice)
No gums or thickeners
No added sugar
25g protein per serving
Our concerns
Contains natural flavors
Uses artificial sweeteners
No independent heavy metals testing data
Our Verdict
Clean macro profile (110 cal, 25g protein, 0.5g fat, 2g carb) from 100% isolate sources (WPI + hydrolyzed WPI).
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Rule One
R1 Protein Whey Isolate
Independently researched and scored by EvidentMedium confidence
Background
Founded with the philosophy that Rule 1 is 'never compromise quality.' Manufactured in their own facility (not contract manufactured). Known for clean macros and good mixability. Growing brand but lower awareness than majors.


