(Planetary Formulas) Vitex Chaste Tree Berry Extract is standardized to a concentrated 0.5% or 125 mg quality agnusides with whole berries. Combining the extract with the whole berry insures that the full spectrum of vitex compounds is included. Supports PMS, menopause, reduces water retention, and balances hormones. Chaste Berry helps regulate and balance female hormone production. The liquid and the tabs contain the same concentrations, but the liquid form is better absorbed. 500 mg. Liquid: 1/2 tsp per serving, 2-3x daily. Liquid form contains alcohol.