Woman with Transparent Skin Showing Path of Nutrients into Breast Milk
Some nutrients in breast milk are made in mammary gland cells but other components come from the mother's bloodstream. When the mother's digestive system breaks down food nutrients are absorbed into her bloodstream. Eventually the nutrients travel to capillaries in the breast tissue where they are taken up by lactocytes and repackaged into breast milk.

C-reactive Protein (hsCRP) Test and Fat cells