Displaying 3 results of Nilutamide Impurities Nilutamide is an anti-androgen medication used to treat prostate cancer. However, the drug can contain impurities that may affect its potency, safety, and efficacy. These impurities include related substances, residual solvents, and heavy metals. It is important to monitor and control the levels of these impurities to ensure the quality and purity of Nilutamide.