If there’s a stress and fatigue adaptogen worth considering, rhodiola is probably the one. But the science isn’t what most bottles claim. What it is: a plant from high altitudes in Russia, Scandinavia, and the Arctic. Used for centuries in those regions for fatigue, stress, and altitude sickness. What the evidence shows: → Multiple small randomized trials show modest improvements in stress-related fatigue, mental performance under stress, and burnout → European Medicines Agency classifies it as