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Enfamil (a play on words of 'infant meal') is a brand of infant formula made by Mead Johnson. From 1972 through 2011, Mead Johnson used Beatrix Potter's Peter Rabbit on its U.S. packaging. However, in 2012, the company transitioned to its signature duck across its U.S. Enfamil product line. Enfamil is a product name associated with formulas for babies.
This baby formula brand began in the late 1950s and is owned by Mead Johnson, which was founded in 1905 in New Jersey by Edward Mead Johnson and relocated to Indiana in 1915. Enfamil R was Mead Johnson’s first routine infant formula designed to be a nutritional formula based on the pattern of human milk. Since then, Mead Johnson has produced a broad variation of Enfamil Products.
Products in the line
For pregnant women
Expecta (R) - supports baby eye and brain development during pregnancy
For infants 0-1 years
Enfamil (R) Newborn – for newborns through 3 months
Enfamil (R) Infant - supports infants overall development
Enfamil R Gentlease R - designed to reduce fussiness and gas
Enfamil A. R.- reduces frequent spit up
Enfamil Reguline - A formula that is designed to promote comfortable stools. 
Enfamil for Supplementing designed to complement breast milk for those breastfeeding moms who choose to introduce formula.
Nutramigen R with Enflora LGG- manages colic quickly, often within 48 hours - enriched with hypoallergenic proteins that are very easy to digest for the baby.
Enfamil R Prosobee- soy-based, milk-free formula
Enfamil R EnfaCare- for premature infants or infants with low birth weight
Enfamil R Premature- for rapidly growing premature infants or infants with low birth weight who do not receive human milk
Enfamil R Human Milk Fortifier Acidified Liquid- fortifies breast milk with extra proteins and nutrients for feeding premature or low-birth-weight infants
Pregestimil R- for infants who have trouble absorbing fat
Pregestimil R- for infants who have trouble absorbing fat and who may also be sensitive to intact proteins
Nutramigen R AA TM - for infants with severe cow’s milk protein allergy or multiple food protein allergies not effectively managed by an extensively hydrolyzed formula
Enfamil R D-Vi-Sol TM Drops- supplemental Vitamin D drops for infants and children
Enfamil R Tri-Vi-Sol R With Iron Drops- source of Vitamins A, C, and D, for breastfed infants
Enfamil R Enfalyte- designed to be fed to infants and children for the maintenance of water and electrolytes that might otherwise be lost during vomiting and diarrhea
Enfamil R Poly-Vi-Sol With Iron Drops- multivitamin and iron supplementation for infants and children
Enfamil R Fer-In-Sol Drops- supplemental Iron
For toddlers 9-18 months
Enfagrow TM Toddler Transitions - complete nutrition formula tailored for toddlers 9-18 months.
Enfagrow TM Toddler Transitions Gentlease - designed for toddlers 9-18 months who are experiencing fussiness or gas.
Enfagrow TM Toddler Transitions Soy - soy based formula for toddlers 9–18 months.
For toddlers 1 Year and older
Enfagrow TM Toddler Next Step - A nutritional milk drink for toddlers 12 months+ that complements solid foods. Available in Natural Milk and Vanilla flavors, in powder and Ready-to-Drink.
According to Mead Johnson, availability of these products varies by country. 
The types of ingredients used in Enfamil R vary, based on the type of formula. The base of each formula may vary extensively, but Enfamil provides different formulae for different infants needs.
While many of the ingredients in Enfamil meet with considerable approval, a growing number of watch groups point to ingredients that might not be safe. According to the United States Food and Drug Administration, test results have shown that traces of cyanuric acid have been found in Enfamil Lipil With Iron, however, the products still are approved by the FDA due to small consumption levels, being considered tolerable.