This extra-strength formula is the only one designed and used by Dr. Peter McCullough, the world’s leading pandemic expert and developer of the McCullough Base Spike Detoxification Protocol. Ultimate Spike Detox features Nattokinase, a key enzyme that may help break down spike protein and disrupt its function, along with Bromelain and Curcumin, providing your body with unparalleled support for cellular defense and detoxification.