A stack is two or more Magnum formulas designed to be taken together, priced lower than buying them one at a time. The Hydration Stack covers electrolytes and daily greens. The Everyday Essential Stack is the daily floor: micronutrients, creatine and recovery. Beach Body Igniter, Sweat & Shred and Recomp Reload are built around a deficit. Mind + Muscle pairs focus with strength. Strong Mom, Alpha Dad and Dad Mode are built for people training around a schedule they do not control. Every product inside a stack carries a Health Canada NPN and a fully disclosed label. If none of these match your goal, build your own stack, or browse the full range and assemble it yourself.