Not all Ashwagandha supplements are equal. The source tissue (root vs leaf), extraction method, standardization and dose all significantly affect efficacy.
Clinical trials showing cortisol reduction and stress benefits primarily use root extract. Leaf extract contains different withanolide profiles and is not interchangeable. SodaPeak uses Ashwagandha Root Extract specifically.
Look for products standardized to withanolides, the active compounds. Common research-grade extracts (KSM-66, Sensoril) are standardized to specific withanolide percentages, ensuring consistent potency.
Clinical trials typically use 300 to 600mg of standardized root extract daily. Effects build over 4 to 8 weeks of consistent daily use. Immediate effects should not be expected.