Not whey. Not pea. Not soy.

Complete vegan protein from fermented yeast. 30g protein + fiber. No natural flavors, No added sugar. Doesn't upset the stomach.

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What is yeast protein?

ProteinRx starts with baker’s yeast, the same type of microorganism used in bread and fermentation. The yeast is fermented, the protein is separated, and the result is a complete vegan protein that isn’t dairy, pea, soy, rice, or hemp (an allergy free protein).

Yeast Protein Explained

Strength and Confidence without the discomfort.

ProteinRx gives you the power to achieve your personal and body-composition goals.

Tackle your days with peak energy without feeling sluggish or uncomfortable.

Why people switch

ProteinRx is built for people who’ve tried everything else.

If other proteins haven't worked, ProteinRx could be the solution.

Common protein powder problems and how ProteinRx offers a different option.
If this is your experience… ProteinRx is the answer…
Whey causes stomach issues, gas, or bloating. A dairy-free complete protein.
Pea protein tastes bad, feels gritty, or bloats you. No pea protein. No legume base.
Soy and nut proteins don’t fit your diet. Soy-free, nut-free protein from fermentation.
Flavored powders are too sweet, fake, or overpowering. No natural flavors. Simple sweetener options.
Plant proteins worry you because of heavy metals. A different protein source, with testing we’re proud to show.
You haven’t found a vegan protein that tastes good. Mild, nut-milk-style flavor that blends well.

Ideal for sensitive humans who've tried everything

Free yourself from discomfort, upset tummies, and bloating that accompany whey, pea, and seed proteins.

Whether it's celiac, lactose intolerance, food allergies, psoriasis, or any other ailment, we've got you covered.

Build muscle, sacrifice nothing

Stay strong with our tasty blend, as nutritionally complete as the 'gold standard', whey isolate, yet derived from yeast cells.

Get muscle-building amino acids from a protein with a perfect protein digestibility score.

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A truly sustainable protein to feed our planet

ProteinRx is a complete protein for you, and yeast protein is sustainable.

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No pesticides. No herbicides. No GMO crops.

No dairy icon

No cows milked. No wild habitats displaced.

Lower resource use icon

Fermentation uses less water, land, and total resources.