Peak BioBoost Reviews – Does Peak BioBoost Really Work? Good digestion acts the critical part at supplying people with the greater executing structure. That is reason it is important to use the physical and secure means to ensure one's digestion is working properly. Peak BioBoost is one such supplement that focuses on the use of a strong prebiotic fiber formula. Through this, the supplement helps promote healthier digestion in the body — all without the use of chemicals and side-effect causing ingredients.