In a research paper, published in the Journal of Functional Morphology and Kinesiology, 12 studies are analyzed where people were given Ashwagandha dosage between 120mg and 1250 mg per day.

Ashwagandha has most often been used by adults in doses up to 1000 mg daily, for up to 12 weeks. Speak with a healthcare provider to find out what dose might be best for a specific condition.