The Effects of Rhodiola rosea L. Extract on Anxiety, Stress, Cognition and Other Mood Symptoms
Key Finding
Rhodiola rosea (400mg daily) significantly reduced stress symptoms and improved mood within one week of treatment.
Plain-English Summary
This randomized, double-blind, placebo-controlled study examined the anti-stress effects of Rhodiola rosea in 80 participants with chronic stress. Subjects received either 400mg of rhodiola extract daily or placebo for 28 days.
Results showed significant improvements in the rhodiola group across multiple stress and mood measures. Self-reported stress symptoms decreased by 30% in the treatment group compared to minimal changes in placebo. Participants also reported improvements in fatigue, concentration, and overall quality of life.
The study used validated assessment tools including the Perceived Stress Scale and the Hospital Anxiety and Depression Scale. Benefits were noticeable within the first week of treatment and continued to improve throughout the study period. Rhodiola was well-tolerated with no significant adverse effects, confirming its safety and efficacy as an adaptogenic supplement for stress management.