RNWY Complete Protein

$49.99

Build lean muscle and improve athletic recovery with RNWY Complete Protein.

This isn't whey. It's not pea. It's something better.

Most protein powders ask you to choose between digestibility and completeness. Animal proteins are complete but hard on the gut. Plant proteins are gentler but often lack the full amino acid spectrum. RNWY Complete Protein is neither.

YESTEIN® is a slow-digesting protein derived from fermented nutritional yeast, the first of its kind in sports nutrition. Fermentation makes it bioavailable, gut-friendly, and delivers every essential amino acid your body can't produce on its own. Peer-reviewed research shows it performs on par with whey for muscle building, without the dairy, without the bloat.*

For athletes, slow digestion means sustained amino acid delivery over several hours... exactly what endurance athletes, runners, and high-volume trainers need for ongoing recovery between sessions.

21 Servings

  • Helps build lean muscle & improve athletic recovery with 25g vegan protein.*
  • Supports athletic performance with 5g creatine monohydrate.*
  • Supports nutrient absorption with 150mg digestive enzymes.*
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Founded By Athletes
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Dairy Free
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GMO Free
Frequently Asked Questions
What is fermented yeast protein?
Fermented yeast protein (YESTEIN®) is a complete vegan protein made from nutritional yeast that has undergone a fermentation process. Fermentation breaks down the outer cell wall, dramatically improving how the body absorbs the protein. It contains all 9 essential amino acids and digests more slowly than whey, providing a sustained release of amino acids over several hours.*
Why does RNWY Complete Protein include creatine?
Most athletes who use protein powder should also be taking 3–5g of creatine monohydrate daily for performance and recovery benefits. We've included the clinically effective 5g dose in every serving of Complete Protein so you get both in a single step. No second product or mixing required.*
Is fermented yeast protein as effective as whey for building muscle?
Yes. Peer-reviewed research comparing YESTEIN® fermented yeast protein to whey protein has found comparable results for lean muscle gains and strength improvement in trained athletes. While it digests more slowly than whey, this may actually benefit endurance athletes who need prolonged amino acid availability.*
Is RNWY Complete Protein fully vegan?
Yes. RNWY Complete Protein is 100% animal-free and suitable for vegan and vegetarian athletes. The YESTEIN® protein is derived entirely from fermented nutritional yeast. There are no dairy, egg, or animal byproducts in any form.*
When should I take Complete Protein?
We recommend taking Complete Protein after your workout to maximize recovery benefits. Because fermented yeast protein is slow-digesting, it continues releasing amino acids for several hours, making it ideal as a post-workout shake or as part of a meal. Daily consistency matters more than precise timing.*