It's pretty good as Nootropic, especially in combination with other herbs and the racetams.
This adaptogenic herbal stimulant has been used as an energy-boosting agent in Russia and China for centuries. It balances the autonomic nervous system, enhancing stress-management capacity along with empowering the immune system and combating fatigue.
Having read a couple of books and innumerable studies about herbal adaptogens, I can name Rhodiola as the best herbal adaptogen. If you want to take one herb to enhance your overall health, this is it.
Listen to podcast: Rhodiola: The High Performance Biohacker’s Herb