Can a 3 week old have Enfamil Gentlease?

Aubrey
We have had to supplement with formula since my daughter was 3 days old and they gave us Enfamil Newborn in the hospital, so that's what she's been on since. However, she gets gas and an upset tummy a lot so I was looking in to switching her to the Gentlease, but it doesn't specify if it's okay for newborns. Anyone know?