Accurately detect the presence of specific antibodies or antigens in patient serum using Rockland's animal-derived complement.


US-derived materials

Active complement is collected in our facilities from hosts of North American Origin using a special process that sustains biological function


Sustainably Sourced

Prepared from healthy, non-medicated animals


Low Variability

Taken from very large pools to reduce lot-to-lot variability


Well Preserved

Fresh-frozen complement is rapidly processed and maintained at –80°C (–112°F) for maximum activity, while lyophilized complement is supplied with a diluent of veronal buffered saline containing optimal concentrations of magnesium and calcium

Rockland offers complement from a variety of different host species including rabbit, guinea pig, and mouse.