e200921c_sity_of_Michigan_Health_System__Why
[Supplement] 1 Star Eleuthero Refer to label instructions [Why] 
Adaptogens such as eleuthero are thought to help keep various body systems—including the immune system—functioning optimally. Eleuthero contains eleutherosides that appear to have immune-enhancing effects according to preliminary studies.54 , 55 Human research, some of it double-blind,56 , 57 has shown benefits for treating the common cold using Kan Jang, a combination of andrographis extract (48 to 60 mg andrographolides per day) and an eleuthero extract containing 2.0 to 2.4 mg per day of eleutherosides.
Common Cold/Sore Throat (Holistic) | University of Michigan Health System
Why