✔ WORLD’S BEST ASHWAGANDHA: This product contains 1650mg of KSM-66 ashwagandha extract per serving, which is considered the ‘World’s Best Ashwagandha’. Organic Ashwagandha KSM-66® with BioPerine® - 1650mg - 5% Withanolides - Most Bioavailable Full-Spectrum Root Extract.