Extrait de valériane haute puissance 5392 mgHigh Potency Valerian Root Extract 5392mg 3 Months Supply Pureclinica High Potency Valerian Root Extract 5392mg is a premium high strength Valerian root extract stress relief supplement. High Potency Valerian root extract 5392mg contains 674mg of Valerian root extract 8: 1 extract equivalent to 5392mg of root per tablet. Standardised to ensure it contains exactly what the label states, each tablets provides an industry leading amount of the alkaloids,