Contact Us

Source Naturals does not sell directly to consumers. You can purchase our products from a local retailer or online.

Customer Service

For retailer assistance with orders and shipments, technical product questions or general customer service issues, please contact Customer Service. 

Alternately you can reach us by phone at (831) 438-1144, or (800) 815-2333, or via fax at (831) 438-7410.

Employment Opportunities

Available positions are listed on the Threshold Enterprises website.

Employment Opportunities

Become a Source Naturals Retailer

Applications and instructions on how to become a retailer are available on the Threshold Enterprises website.

Retailer and Vendor Documents

International Sales Information

Threshold Enterprises, Ltd., Scotts Valley, CA

E-mail:  international@thresholdent.com
Telephone: (831) 461-7326
Fax: (831) 461-9573

Direct Contact to International Distributors:

United Kingdom: info@earth-force.co.uk
Netherlands:  alain@innovital.nl