ACOG Just Updated Its Menopause Guidelines — Here’s What Changed

However, ACOG states that the available evidence doesn’t support the efficacy or safety of phytoestrogens (such as soy isoflavones) or herbal supplements for treating hot flashes or other menopause symptoms. The guidelines also note that these products don’t need to be approved by the FDA before hitting the market, so they haven’t necessarily been tested for safety, efficacy, or purity.