Any giving their baby toddler formula ?

Tota • Vet 🥼 ! LA girl ! 👧🏻 1st time pregnant 🤰! EDD June ! Dog Mommy 🐶🐶 🐶

Can you mommas plz advice me cow milk vs toddler formula like toddler enfamil . I have a sample should I try Before purchasing .My LO is rejecting cows milk for last one month . He is 13 months now and not drinking any milk , Am concerned