Energy & mood 20:1 Extract | Adaptogen | Tonic Herb Rhodiola is known for its ability to significantly reduce fatigue and "burnout" that came from stress and anxiety. It also appears to be highly serotonergic (increases serotonin), reduces corticosteroids, and may improve mood generally. Research is currently being conducted on Rhodiola's ability to improve fatigue tolerance. - Potent 20:1 Extract, 1g extract = 20g dried herb (Twice as strong as 10:1). - Sourced from Certified Organic Growers. - Free from fillers. - Lab-tested for heavy metals and contaminants.