Dietary Supplement. Before, During, & After Pregnancy. Doctor Recommended. Superior Triglyceride Form. Healthy Mood & Infant Development Daily Prenatal DHA provides all the DHA you need for proper infant development of the brain, eyes, and nervous system, as well as mood and nerve support for mothers-throughout all stages of pregnancy and lactation.* Doctor-recommended, Nordic Naturals third-party tests every batch of oils for environmental toxins including heavy metals, dioxins, and PCBs. All fish oils used in Nordic Naturals products surpass the strictest international standards for purity and freshness. Certificates of analysis are avail.