Frequently Asked Questions Vital-Zymes™ Is there a difference between plant-based protease enzymes and other proteolytic enzymes such as: chymotrypsin, carboxypeptidase, bromelain and papain? Plant enzymes are a lot broader in pH activity range, and they are also not as specific. For example, the protease from a plant-based source will address a lot more protein bonds than the other proteolytic enzymes. Home | Product Line | Endorsements | FAQs | Research | Order Products VITAL PRODUX™ 44 Mine Rd. Suite 2, PMB 209 Stafford, Virginia  22554  USA 540-286-2400 – FAX: 540-752-4765 E-mail: info@VitalProdux.com Copyright © 1996-2003, VTI, Inc. All Rights Reserved. Text, graphics, and HTML code are protected by US and International Copyright Laws, and may not be copied, reprinted, published, translated, hosted, or otherwise distributed by any means without explicit permission. Vital Produx™ is a trademark of VTI, Inc. Other trademarks are the property of their respective owners.