| Effect | Decrease |
| Trial Design | Double blind |
| Trial Length | 1-7 Days |
| Number of Subjects | 223 |
| Sex | Both Genders |
| Age Range | 18-29, 30-44, 45-64 |
| Body Types | Overweight, Average |
200mg of Andrographis extract (31% Andrographolide) in two divided doses of 100mg for 5 days was significantly better than placebo at reducing signs of upper respiratory tract infection
