The Protein You Want. The Fiber You Need. Clean by Nature.

Rhiza is a whole-food mycoprotein ingredient grown from delicious fungi. It delivers the kind of everyday nutrition people actually need—complete protein, meaningful iron and zinc, and prebiotic fiber—in a neutral, easy-to-use form that fits clean labels and modern formulations.

Complete protein
All nine essential amino acids to support muscle maintenance and satiety—without cholesterol or the baggage of common allergens.

Prebiotic fiber
Rich in fungal fibers (including beta-glucans and polysaccharides) that support digestive wellness and help create a satisfying bite.

Iron and zinc you can count on
Naturally contains iron and zinc to help close dietary gaps. Build products that nourish, not just fill.

Clean label, chef-ready
Neutral taste and light color, with a crave-worthy, meat-like texture that plays well in both savory and sweet formats.

Shelf-stable format
No cold chain. No cold storage. Rhiza is kept at ambient temperature and hydrates instantly, ready for use after a single second.

Free-from & friendly
Soy-free, dairy-free, egg-free, and gluten-free. Low in saturated fat and naturally zero cholesterol.

Loved by Longevity Leaders
Rhiza is packed with ergothioneine and spermidine–both associated with enhanced longevity. Learn more here!

Confidence you can cite

Rhiza mycoprotein is FDA GRAS (GRN 1117) and is approved as safe & suitable for inclusion in meat products by USDA/FSIS—making it simple to bring better nutrition to market. It’s made from fungi that has a centuries-long history of safe human consumption and which modern research has shown time and again not only to be safe, but beneficial.