This is the only formula my son can handle. His poor little tummy will ache terribly if I give him anything else, I'm so grateful they make this formula and I will not be switching to any other kind! I love that Enfamil sends gift checks too. It does get pricey with a large can costing about $30, but it is worth it. I tried the store brand claiming to be "Gentle" formula and coparable to Gentlease, but it was just not the same at all and caused him constipation and gas. I recommend anyone thinking of using Nutrimigen to first give Gentlease a try, it is much… read full review »