Our Company

Mason Vitamins is one of the largest vitamin suppliers in the United States with a selection of over 450 vitamins, minerals, supplements and herbs, including unique condition specific formulas that address top health concerns.

Affliated Companies
SentryManufacturing.net - Manufacturing Quality Supplements
ItoEn.com - The World's Largest Green Tea Purveyour

For more information, or if you have questions about our products, you can reach us:

Toll Free: 1-888-860-5376

Mason Vitamins, Inc. is considered “the Vitamin Marketing Experts” in the industry, with a selection of over 450 vitamins, minerals, herbs and other consumers health products.

Founded in 1967, we strive to maintain the highest quality products and the best customer service. Our seasoned management team has over 40 years experience in the prescription/vitamin/supplement industry.

Our distribution channel began in drugstores, the original “health care” store. Mason Natural brand is sold worldwide and nationally in community and chain drugstores, food stores, and mass market retailers. Mason’s superior marketing and pricing strategy has established several of our brands as the trusted choice among consumers.

Our manufacturing branch is Sentry Manufacturing, Inc. Providing custom formulations of vitamins and supplements. Small and large batch orders available. Visit SentryManufacturing.net for more information.

Mason Vitamins, Inc., was acquired by New York based ITO EN (North America) INC., a wholly-owned subsidiary of Tokyo, Japan headquartered ITO EN, LTD in 2006. Established in 1966, ITO EN is a $3 billion corporation that manufactures and sells tea leaves and ready-to-drink beverages worldwide. Positioned as the world’s premier green tea company, ITO EN is also well known for its cutting edge technological achievements in green tea beverage product development.

Since setting up their U.S. operations in 2001, ITO EN (North America) INC. has introduced several ready-to-drink beverages, that are distributed nationally through Whole Foods, Target and Costco.