Pueria Duo is a dietary supplement intended for pregnant women from the 15th week of pregnancy and breastfeeding. It comes in two capsules. One contains a combination of minerals (choline combined with folates recommended by the Polish Society of Gynecologists and Obstetricians*, including the active form of folic acid, iodine, and vitamin D). The other capsules contain DHA, a polyunsaturated fatty acid from the omega-3 family. The recommended daily intake is one capsule containing the combination and two capsules containing DHA. A 90-capsule pack provides 30 days of supplementation. Folates: in the supplement they are present in two chemical forms: pteroylmonoglutamic acid and the active form of L-methylfolate (methylated folic acid), contribute to the growth of maternal tissues during pregnancy, take part in the process of cell division, help in proper blood production. Iodine: helps in the proper production of thyroid hormones and its proper functioning, contributes to maintaining proper energy metabolism, helps maintain normal cognitive functions. Vitamin D: takes part in the process of cell division, helps maintain healthy teeth and proper calcium levels in the blood, helps in the proper functioning of the immune system. Choline: contributes to maintaining proper fat metabolism, helps in the proper functioning of the liver. DHA: obtained as a result of patented technology that ensures exceptional quality and purity, minimizes the fishy taste and smell, from small anchovy fish with a high content of omega-3 fatty acids, contributes to the proper functioning of the brain and vision**, consumed by the mother, it supports the proper development of the eyes and brain in the fetus and breastfed infants****. The Pueria Duo dietary supplement contains no fillers, dyes, or preservatives. It also contains no steroids, which are recommended only in specific cases, and excess amounts may adversely affect pregnancy. *Recommendations of the Polish Society of Gynecologists and Obstetricians regarding supplementation in pregnant women. PTGiP Guidelines 07/2020. ** the beneficial effect is obtained with a daily intake of 250 mg of DHA. ***The beneficial effect is obtained with a daily intake of 200 mg of DHA in addition to the recommended daily intake of omega-3 fatty acids for adults, i.e. 250 mg of DHA and eicosapentaenoic acid (EPA).