Contact Us

Customer service representative

We welcome your questions and comments.

US customers please call: (800) 543-3873
International callers please call: (775) 783-1600

Monday-Friday, 7:00am - 5:00pm PST

E-mail us:

Kindly direct all inquiries to

Need to return a product?

We stand by our products. Please see our returns page.

Did you know?

  • Life Enhancement was the first company to market 5-HTP

Great discounts!