Primary Research · 2015
Examining the effect of Withania somnifera supplementation on muscle strength and recovery: a randomized controlled trial
Wankhede et al. · Journal of the International Society of Sports Nutrition, 2015
Key finding
300mg KSM-66 2x/day for 8 weeks increased muscle strength, size, and recovery vs placebo in resistance-trained men.
Read the paper
Open on PubMedhttps://pubmed.ncbi.nlm.nih.gov/26609282/
Cited in 2 guides
Review
Ashwagandha for Testosterone: What the Evidence Actually Shows
Ashwagandha shows modest but real testosterone effects in men — especially stressed or sedentary men. Here's how the mechanism works and whether you'll notice.
Guide
Ashwagandha Guide 2026: Clinical Evidence Reviewed
Learn which ashwagandha extract actually matches the RCT evidence — KSM-66, Sensoril, or generic powder — and what cortisol, anxiety, and testosterone data show.
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