Estro-AssuredDiscover Estro Assured is a blend of herbs and nutrients that supports the female reproductive system. Supports the female glandular system. Provides nutritional support for mature women experiencing normal physical and emotional changes. How It Works How It Works Estro Assured contains kudzu which may also improve the menopausal experience for some women as it supports a balanced hormonal profile. Maitake mushroom stimulates immune system activity.