While Vitamin D requirements do not increase during pregnancy, Vitamin D is important for Calcium absorption, so pregnant women should make sure they are getting enough. Vitamin D contributes to normal function of the immune system. Vitamin D status of the mother affects the Vitamin D status of the baby in the first few months of life.

Sunlight is the main source of Vitamin D, however it can be difficult to get enough in many circumstances, for example during winter or if using sunscreen on a regular basis. One serve of MamaCare provides pregnant women all of their daily requirements. Some foods such as fortified margarines, eggs and oily fish such as salmon, herring and mackerel provide some Vitamin D.