2 oz current formula 1 oz new formula. In their quest to soothe a fussy baby many parents try changing formulas assuming that the symptoms are caused by a formula intolerance. There are small differences including different combinations of whey and casein proteins in different milk-based formulas.
Start by mixing a bottle with 14 of the new formula with 34 of the old formula then mix 12 of the new formula with 12 of the old formula a couple of days later.
Its good to ask about the best formula for your child. 3 The fat sources in the various milk-based baby formulas may be provided by different types of oil. But if your little one is lactose intolerant speak to your. If your doctor is adamant that your baby doesnt need to switch formula pay attention there might be something else going on with your baby that has nothing to do with the formula he or she is drinking.