Elite Multi-Source Protein for Athletes

Proteins come in a variety of forms. Sources like whey are ideal around workouts when you want aminos - fast. Casein proteins are better between meals and before bed when slower delivery, over several hours, is preferred. Moderate-release proteins like egg and goat's milk are easily digested and contain all of the essential amino acids, which makes them great choices most other times.


  • Now with 8 sources, including Native Whey Isolate and Native casein
  • 24 g full-spectrum protein
  • Elite blend of fast, intermediate, and slower digesting sources
  • Premium proteins including whey isolate, micellar casein & egg albumen
  • Over 5 g BCAAs (leucine, isoleucine, valine)
  • Little fat or sugar
  • Instantized to mix up quickly, fully, and easily
  • No banned substances - safe for sport

Rivalus Promasil

  • A RIVALUS Product

    Multiple Sources, Multiple Benefits!

    • 8 sources, including Native Whey Isolate & Native Casein
    • 24 grams of full-spectrum protein per serving
    • Over 5 grams of BCAAS (leucine, isoleucine, valine)
    • Instantized to mix up quickly, fully & easily