For example, Nutrilon AR, Enfamil AR
These formulas are most commonly used when a baby doesn’t gain enough weight or suffers from spitting-up or regurgitation (acid reflux). It is recommended not to use these formulas without consulting with your doctor because it is high in calories and sugars and shouldn’t be used when these extra calories are not required.
These formulas usually contain corn flour or rice starch that pre-thickens the formula and adds more calories to the same amount of milk. Using this formula when it is not advised for a specific case, may cause overweight gain and tendency to future obesity and constipation.