We do not provide free samples.  However, we do carry sample sizes for many of our products.  Please also read about our Novus Guarantee which states that all Novus products are 100% guaranteed to work in the species and applications listed on the datasheet. The Innovator's Reward™ program is designed to support your innovative research with minimal financial risk to you.  If you have any questions, please do not hesitate to contact us (view contact info here).