The great majority of infants formula contain fats exclusively from vegetable oil. Nevertheless, the use of both vegetable and dairy lipids is on a real interest to obtain an infant formula closer to the nutritional composition of maternal milk.

Inclusion Criteria:

• normal growth;
• considered as healthy by the investigator according to the medical interrogation and the clinical examination;
• receiving exclusively infant formula for at least 15 days.
• without any solid food during the month of the study

Exclusion Criteria:

• Premature born children or small born weights;
• Children breast-fed or weaned for less than 15 days;
• Children with solid food
• Food allergy, particularly in milk proteins allergy , and lactose intolerance ;
• Tumoral, inflammatory, cardiac, lung, renal, digestive diseases(syndrome of malabsorption);
• Digestive pathology previous to the inclusion, in particular infectious (rotavirus, gastroenteritis) or functional symptoms (important stomach pains, colicky) having required a lot of change in formula quality;
• Children under medical treatment (ex: paracetamol).