Why bioavailability matters
Nattokinase is a proven enzyme, but like all enzymes, it needs to survive digestion and get absorbed properly to work.
That’s where piperine (the active compound in black pepper) comes in. In D-Spiked’s formula, black pepper isn’t filler—it’s a strategic bioavailability enhancer.
Want to understand the right nattokinase dosing strategy? Or comparing nattokinase products head-to-head?