If you have any questions regarding your order, you can reach us at any time in the United States through phone or email. Our customer service lines are open 24 hours a day for all International customers.

U.S.A Toll Free Numbers

Country you are calling from      Toll Free Number Hours of Operation
USA/CANADA (800) 672-2259 8:00 AM–10:00 PM EST
AUSTRALIA (0011) 800-2358-7491      24 HOURS
NEW ZEALAND (00) 800-2358-7491 24 HOURS
GREAT BRITAIN (00) 800-2358-7491 24 HOURS

NOTE: Please note that some mobile phone carriers do not allow toll free 800 numbers to the USA to connect. We suggest using a landline if you are having trouble with your mobile carrier.

Alternatively, you can also call the number below, but please note that International calling rates apply.

(International Access Code) + 201-942-3600 [US Toll Number]

PO Box 9300
Jersey City, NJ 07303

You can also email us at support@hydroxatone.com to schedule a call back. Please provide First and Last Name, Country, Customer ID number, phone number, day and time to call you back. Please give us 24 hours advance notice.