Ashwagandha Evidence Guide — KSM-66 vs Sensoril, Cortisol, T, and Sleep

Ashwagandha KSM-66 240–600mg/day × 8 weeks lowers cortisol by 27.9% (Lopresti 2019), raises testosterone by 14.7% (Wankhede 2015), and improves sleep onset by 38% (Langade 2019). KSM-66 vs Sensoril compared, with timing and contraindications.