The B-Bridge Oxytocin Immunoassay kit is the most sensitive kit available for quantitative measurement of the important neuro-active peptide Oxytocin present in serum, plasma, clarified milk and tissue culture media samples. Our kit's sensitivity is 6.3 pg/mL, which breaks the 10 pg/mL sensitivy barrier of other kits for the first time. In fact, our new kit has several unique advantages over any of the currently available kits for oxytocin: Twice as sensitivie as popular oxytocin assays. Works for Mammals, Birds, Fish, and Amphibian samples. Easy to use: sample extraction solution included. Low signal to noise ratio.