Billing terms are Net 30 days. We will mail your bill only after your item(s) ship, usually the same day. Shipping charges are pre-paid and added to your invoice unless you have an account number with a shipper.

Payment is accepted in USD (US Dollars $) only.

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Diapharma accepts Visa, MasterCard, American Express, Check, Wire or ACH (preferred).

  • Starting 06/01/23, a 2% processing fee will be added to all invoices
  • The fee is calculated by multiplying 2% by the pre-tax invoice total (product + freight)
  • You may deduct the fee if you pay within thirty days of invoice date and if you pay via ACH or wire transfer.


If you are mailing your payment, please send to:

DiaPharma Group, Inc.
Department 101
P.O. Box 32160
Louisville, KY 40232-2160



Sales Terms And Conditions