Enfamil O-Lac Enfamil O-Lac is a nutritionally complete, lactose-free, cow's milk based special feed for babies who cannot tolerate lactose, with symptoms such as colic, bloating, wind or diarrhoea. Temporary lactose intolerance can be triggered by an episode of gastroenteritis which may result in diarrhoea & vomiting, which usually lasts from 4-8 weeks. As Enfamil O-Lac contains cow's milk protein, it has the same taste & appearance as routine formula. Enfamil O-Lac is the only lactose-free formula available with DHA & ARA added. What is LIPIL?LIPIL is a blend of nutrients DHA & ARA, also known as Omega 3 & Omega 6 fatty acids. DHA & ARA are present in breast milk & are important building blocks for baby's brain & eye.