A randomized, double blind placebo controlled study of efficacy and tolerability of Withaina somnifera extracts in knee joint pain: https://www.sciencedirect.com/science/ar...0298?via%3DihubBody Weight Management in Adults Under Chronic Stress Through Treatment With Ashwagandha Root Extract: A Double-Blind, Randomized, Placebo-Controlled Trial: https://pubmed.ncbi.nlm.nih.gov/27055824/