Important COVID-19 Update: We continue to ship orders on time. Inventory is limited as we try to keep stores and customers supplied. Our products with Zinc (Dry Mouth Lozenges and TheraBreath PLUS Oral Rinse) have been hardest hit, but our manufacturing team is... (more)

Contact Us

General Information:

1-800-97-FRESH  (973-7374)
or 323-993-8320
Monday - Friday (8am - 5pm Pacific Time)*

* Note: Our office and phone line may be closed or have limited hours on some US holidays.

* Our office and phone line will be closed or have limited hours on the following dates — November 28, November 29, December 24, December 25, and December 31**, 2019; January 1, 2020.
**Open limited hours from 8am-12pm PST

Patient Care & Product Questions:

1-800-97-FRESH  (973-7374)

Ordering Questions:

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1-800-97-FRESH  (973-7374)

International Distribution:

Find International Sellers
1-800-97-FRESH  (973-7374)

Corporate Address

Dr. Harold Katz, LLC
5802 Willoughby Ave
Los Angeles, CA 90038
Fax: 1-323-993-8327

Business Hours:
Mon-Fri, 8AM-5PM PST

The address above is a mailing address only. No foot-traffic allowed.

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Office Visits

Los Angeles Office (Map)
10289 West Pico Blvd.
Los Angeles, CA 90064

Call 1-800-963-9273
for more information and to make an appointment.