The original red clover isoflavones supplement with calcium and vitamin d3 formulated by world leading isoflavones researchers food supplement promensil is the original red clover isoflavone supplement used most in clinical research with women going through menopause promensil uses standardised red clover isoflavones ensuring that each tablet contains the highest quality shelf stable form of isoflavones 3 in 1 formula for post menopause wellbeing bones heart before menopause