We can offer discounts on larger quantities. Please request a quote.

If you are looking for protamines from other mammals than those listed here, please inquire about their availability – we may be able to help.

Please use the contact form to send us an email (preferred method of contact).

Phone: 1-925-203-5657 –  Your call is important to us. If we are not available when you call, please leave a message with your name, contact info, date and time of the call, and the best time to call you back. We will return your call as soon as possible.

Fax: 1-925-215-2142

Our mailing address is Briar Patch Biosciences, 15986 Mines Road, Livermore, CA 94550, USA