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Greenwood Health Systems is proud to be a member of the Better Business Bureau



BBB Accredited Business since 01/01/2003

Click Here to read our current BBB report.


missionGreenwood Health Systems is a different company, a very different company.

Our mission, our crusade, is to enrich the lives of every individual we come in contact with by providing cost-effective products that contain scientifically proven ingredients in therapeutic amounts.

Cost-effective products that truly can make a difference.

Cost-effective products that provide beneficial results.

Cost-effective products that work.



Greenwood Health Systems, Inc. is a privately held corporation registered in the state of Kansas since 2005.

Our entire office and warehouse operations are housed in a 40,000 sq. ft., 4-story, historically registered building located in Hutchinson, Kansas.

Our friendly support staff handles all customer service, new member applications, order entry and the shipping & handling of orders from this facility.

Address: 208 N Main Street
Kansas 67501

Postal Address: PO Box 797 Hutchinson Kansas 67504-0797
Phone: 1-620-665-7906
Fax: 1-620-665-7911
Email: support@natlong.com
Office Hours: 8.00 AM -5.00 PM (CST) M-F


logoGreenwood Health Systems, Inc. is jointly owned by Stan and Rene Haley.

Stan has been actively involved with the formulation and marketing of nutritional supplements for the past 35 years.

His wide ranging experience and network of contacts within the industry has given us the ability to produce products that are not only highly effective, they are also highly cost-effective.

Rene is our office manager and she initially started working in the customer service department of a fast-growing nutritional company in 1993. Her 23 years of subsequent experience in this industry are the backbone of our friendly, customer oriented day to day front-office operations.


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Copyright 2000-2016 Greenwood Health Systems, Inc. All Rights Reserved. The content provided on or available through this site, is intended for general informational and entertainment purposes only. It should not be construed as a substitute for medical or professional advice, diagnosis or treatment of any kind. You are encouraged to confirm any information obtained from or through this web site with other sources, and review all information regarding any medical condition or treatment with your physician. Your use of this website indicates your agreement to these terms. * These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease. If you are pregnant, nursing, taking medication, or have a medical condition, consult your physician before using this, or any other nutritional product.