Human Male AB OTC Serum Off the clot serum goes through minimal processing & is ideal if you require a higher protein value.

Human Male AB OTC Serum can be used for various cell culture applications. OTC typically has a slightly higher protein content than Human Male AB Serum and can be used instead of Human Male AB serum if higher protein Is required for your cell culture process.

Human Male AB OTC Serum is collected from the whole blood donation of healthy male AB donors at FDA-licensed centers within the US.