Hello, I am 3.5 month old baby mother. He is drinking Similac IQ+ by birth. I want to know which other powder milk will be best for my baby

A. This Is a very good brand itself why do you want to switch to another brand see if it is suiting your child for last 3 1/2 months don’t change to another brand because some brands can cause constipation and all these issue why do you want to do it just continue with this only it is a very good brand