How to take Newmans DHA most effectively? Newmans DHA is a health product that can increase the DHA content of the human body, which is extremely important for the health of pregnancy and children. However, whether the method of use is correct will also affect the effectiveness of the medicine. So, how to take Newmans DHA most effectively? The following will elaborate on it for you from several aspects. 1. Use Time Newmans