AP-Bio® / KalmCold® is a clinically studied extract of Andrographis paniculata standardized to contain 7 key bioactives. Designed to support immune function and reduce the severity and duration of cold symptoms, this low-dose extract offers fast-acting relief backed by scientific research. Developed by Natural Remedies Human Health, it delivers consistent efficacy and safety. https://naturalremedieshumanhealth.com/ap-bio-kalm-cold/