Echinacea
Echinacea is an immunostimulant herb that enhances innate immunity, reduces the duration of upper respiratory infections, and decreases the incidence of colds and flu. It is effective when taken at symptom onset or prophylactically.
Evidence last reviewed: 20 Apr 2026
The evidence suggests Echinacea can moderately reduce the risk of upper respiratory infections and shorten the duration of colds. However, the overall strength of the evidence is mixed, with some studies showing low confidence in results.
Duration of common coldGeneral population · Meta-analysisModerate
Echinacea reduced the duration of common cold symptoms by approximately 1.4 days.
Immune system supportHealthy individuals · Systematic reviewLow
Echinacea is suggested to support immune health, particularly under stress conditions.
Upper respiratory infection preventionGeneral population · Systematic reviewModerate
Echinacea was found to reduce the risk of developing upper respiratory infections by approximately 35%.
Immune Support and Antiviral Defense
Combining Echinacea with Elderberry can enhance immune function and provide antiviral defense. Echinacea is known for its immune-boosting properties, while Elderberry has been shown to reduce the severity and duration of viral infections.
Forms & usage▾
Take Echinacea at the first sign of symptoms, typically in capsule or liquid form, following the product's dosing instructions.