Dietary Supplement. Sharpens Memory Retention. Full-Spectrum Rhodiola. Promotes Overall Mental Health & Stamina*. 100% Vegetarian. No artificial Colors or Flavors. Rhodiola rosea or Rose Root is an exalted herbal stress "adaptogen". Thriving in high altitudes & in nature s most challenging climates, this most resilient herbal is intensively studied for enhancing concentration & endurance, uplifting one s mental state & supporting optimal immune, adrenal & cardiovascular function even under conditions of severe stress.* Widely used by Russian athletes & cosmonauts to increase energy, Rho.