All returns require approval in advance and a Credit Return Authorization Number. Returned product must be in its original packaging and free from defect and/or damage. Products must be returned within 30 days of purchase. Return shipping fees to be paid by customer. Once returned product has been received and inspected by Nonin, a refund will be issued via credit card used for original purchase.

Please call (800) 356-8874, extension 3217 should you need to make a return.