Men's Rebuild is an internal cleansing system to cleanse, protect and rebuild from the inside out and contains 3 separate products: men's rebuild, herbal guard and colon care. Men's Rebuild Cleanse removes toxins. Yerba Prima pioneered development of natural dietary fiber and internal cleansing products and offers a full spectrum of natural products. Key requirements for optimum vibrant health include good digestion and assimilation of nutrients, the ability to constantly neutralize toxins within the body, proper elimination of waste and toxins, and maintaining a high energy level. Men's Rebuild Internal Cleansing System is designed to meet all these key requirements, through its ability to cleanse, protect and rebuild. The Advanced Internal Cleansing System is designed to be used daily as long as desired for thorough cleansing and daily maintenance.