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Fixed combination of Rhodiola rosea, Schisandra chinensis and Eleutherococcus senticosus extracts (ADAPT-232/Chisan) causes a concentration-dependant increase in life span of N2 wild-type C. elegans. A highly significant change in longevity is observed when Kaplan-Meier survival analysis (log-rank test) is used to compare between groups (p = 0.001) (Panosyan and Wiegant, unpublished data, 2005).
