Supplementing with salidroside, an active compound in the adaptogen Rhodiola rosea, exerts positive impacts on exercise performance, according to a new study in the Journal of the International Society of Sports Nutrition. The study used Gnosis by Lesaffre’s Landkind Pure Salidroside — marketed as the first salidroside from fermentation — and shows the ingredient enhances performance, protects muscle and supports moods.