A review.Human breast milk supplies vital nutrients to infants and is the gold standard to which all infant formulas are compared.While many infant formulas supply necessary nutrients comparable to breast milk, the type of fat can differ significantly.Human breast milk fat largely contains a unique placement of palmitic acid on the sn-2 position of the triglyceride and although infant formulas can contain palmitic acid, the placement of palmitic acid at the sn-2 position is much lower.High sn-2 palmitic acid is the same triglyceride structure found in human milk fat and serves as a functional ingredient when added to infant formulas.Studies show that high sn-2 infant formula (High sn-2 IF)*, much like breast milk, leads to increased fatty acid absorption, increased calcium absorption, reduced formation of fecal calcium soaps, and softer stools vs. fat sources used in common com. infant formulas.