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Best adaptogens compared
Updated October 2026 · How we review
How popular adaptogens compare on research strength and what they've been studied for.
| Herb | Research | Studied for |
|---|---|---|
| Rhodiola | Limited–mixed | Fatigue, mental performance under stress and exercise endurance |
| Ashwagandha | Moderate | Stress and perceived stress, sleep quality and cortisol |
| Holy basil (tulsi) | Limited | Stress and general well-being in traditional use |
| Eleuthero (Siberian ginseng) | Limited | Fatigue and endurance |
| Panax (Asian) ginseng | Mixed | Mental performance, fatigue and general well-being |
| Schisandra | Limited | Fatigue and stress in traditional use |
| Cordyceps | Limited | Exercise performance and energy |
| Reishi | Limited | Sleep, stress and immune support in traditional use |
"Best" depends on your goal, your health and your medications. Read each herb's cautions, and talk to your doctor before choosing.
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