RIVAL NUTRITION™ PROMASIL PROTEIN ELITE SUSTAINED COMPLEX - SOFT SERVE VANILLA - 75 Servings Our elite, multi-source blend combines fast, intermediate, and slower-digesting sources to deliver the best of all worlds: a protein that is versatile enough for all-day use. PROMASIL PROTEIN™ provides broad-spectrum amino acid coverage in one convenient package. 8 different sources 24g Sustained Protein 2 Native Proteins 0g Added Sugars Athlete Trusted, Banned Substance Tested