Rhizome and root.
The European Medicine Agency (EMA) accepts its traditional use for the relief of symptoms of asthenia, such as fatigue and weakness.
Improves physical and mental performance in situations of fatigue, as well as the ability to work, decreasing the severity of fatigue after the practice of intense physical exercise, reducing recovery time and improving circulatory adaptation to exercise (heart rate and blood pressure).
It produces an improvement in symptoms of depression according to the Hamilton Scale for Depression (HAMD) and reduces anxiety levels on the Hamilton Anxiety Scale (HARS).
Increases visual perception, short-term memory and attention.
It has been found to produce an improvement in states of exhaustion, reduced motivation, somnolence, decreased libido, sleep disorders and cognitive impairment.
Numerous pharmacological actions for preparations of Rhodiola have been described, highlighting the following effects: adaptogen (a concept related to the ability to normalize body functions and strengthen systems compromised by stress), cell protector, antidepressant and anti-anxiety, anti-oxidant, anti-inflammatory and immunomodulatory.