Teelixir's evidence-based guide to Withania somnifera — the most-studied adaptogen for stress, cortisol, and hormonal balance. Our research library draws on 1,584+ published studies, including 29 human RCTs, to separate what works from what doesn't.

Start here: Ashwagandha Benefits — Complete Evidence Guide · Dosage Guide · Side Effects & Safety

By health goal: Anxiety & Stress · Sleep · Depression & Mood · Testosterone · Thyroid · Muscle & Strength · Weight Loss

For women: Hormones, Perimenopause & Fertility · Hair & Skin

Compare: vs Lion's Mane · vs Rhodiola · vs Maca · vs Ginseng · vs Reishi · vs Cordyceps

Stacks: + Magnesium

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