Displaying 4 results of Androstenedione Impurities Androstenedione is a steroid hormone that is naturally produced in the body. However, during the manufacturing process, impurities can be introduced into the final product. These impurities can be harmful to the body and can cause adverse side effects. Therefore, it is important to carefully monitor and control the production process to ensure that the final product is safe and effective for use. Possible impurities may include by-products from synthesis, residual solvents, and other contaminants.