If you're going to use formula, Earth's Best Organic Soy Infant Formula with Iron, ARA & DHA is a great option. I know that if you don't breast feed, or if you supplement with formula like I did, the strictly nursers will make you feel like you're not doing the best for your baby. With this formula, you can shake off some of that guilt! Since it's organic, you know the ingredients are safe and healthy. It's made from soy rather than dairy so you know that it's going to be gentle. My son was lactose intolerant, so he absolutely had to have a soy formula or he would get sick all over the place. Since there's been so much hubbub about DHA lately it's also nice that Earth's Best Organic contains DHA to aid in cognitive functions. Easily Digested I believe that since this formula is made from soy that it's more easily digested than other dairy formulas. Ease of Preparation Simple to prepare, like any other powder formula.