Rhodiola rosea is an adaptogenic herb with a long history of traditional use in Scandinavian and Eastern European cultures, now supported by a growing body of modern research. Studies indicate that standardized extracts, particularly those providing roughly 3% rosavins and 1% salidroside, may help the body manage stress more effectively while supporting mental energy and reducing feelings of fatigue. Research suggests that Rhodiola may also play a role in supporting cognitive function under stressful conditions, with some trials noting improvements in attention, processing speed, and overall mood. While results are promising and generally consistent across several controlled studies, individual responses can vary, and researchers continue to explore the full scope of its benefits and long-term use.
Compare this supplementThe two studies linked here do not contain research on Rhodiola and cognitive function. One study examines the geneti...
View studies →Research suggests that the available evidence directly linking Rhodiola to mood support is not represented in the stu...
View studies →Research suggests that Rhodiola rosea may exert stress-relieving effects in part through anti-inflammatory mechanisms...
View studies →These are commonly referenced dosage ranges for this supplement. They are not medical recommendations. Always consult a healthcare provider before supplementing.
| Form | Dose range | Frequency | Studied for | Source |
|---|---|---|---|---|
| Extract | 50–100 mg | Twice daily | acute stress and mental fatigue | Lower-dose protocols observed in short-term fatigue studies; Spasov et al. 2000 |
| Extract | 200–400 mg | Daily | cognitive function and mental performance | Common in clinical trials; Darbinyan et al. 2000 used 370 mg in physicians on night duty |
| Extract | 400–600 mg | Daily | energy and fatigue reduction | Based on RCTs including Olsson et al. 2009 and Shevtsov et al. 2003 |
| Extract | 340–680 mg | Daily | mood support and mild-to-moderate depression | Based on Mao et al. 2015 RCT comparing Rhodiola to sertraline |
| Extract | 200–600 mg | Daily | stress relief and general adaptogenic use | Common in clinical trials using standardized SHR-5 extract (3% rosavins, 1% salidroside) |