Resistant Potato Starch (Solnul®)

Arnold’s Essential Stack features two of the fundamentals he takes daily: Creatine Monohydrate and Fiber+. Together, they support strength, muscle function, cognitive performance, and gut health*—the foundation of long-term performance.

The complete foundation Arnold relies on for strength, muscle function, gut health, and long-term performance. Featuring grass-fed Whey Protein Isolate, Creatine Monohydrate, Vitamin D3 (2000 IU), and Fiber+, it supports lean muscle, power, bone density, immune resilience, and gut health in one science-backed system.

Momentous Fiber+: a leveled-up fiber formula containing both soluble and insoluble fibers plus resistant starch. This targeted formula takes a multi-dimensional approach to gut health, promoting comfortable and regular digestion, a diverse gut microbiome, and steady energy levels—all starting at the source.