Frequently Asked Questions General Does sunlight affect the capsules if they are put in a clear container? Only heat affects enzyme activity levels, not direct sunlight itself. However, activity levels of certain vitamins are affected and diminished in sunlight, particularly vitamins C and D. So we suggest that any of our formulas that contain herbs or whole food vitamins should be kept out of direct sunlight. 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.