Dietary Supplement. New Look! Seasonal Immune System Support†. Supports the Body s Rapid Response† Same Formula As Rapid. Featuring AP-Bio™- Proprietary extraction of Andrographis paniculata, a long prized Ayurvedic botantical. In a randomized double-blind placebo controlled five days clinical trial conducted on 223 subjects, AP-Bio™ was shown effective in supporting nasal, sinus, throat and respiratory health; supporting the mechanisms that regulate the body s temperature; and reducing malaise/ fatigue and occasional sleep distur.