It is possible to react to Lil Mixins Infant Powders, because they are 100% real. Most reactions occur within 2 hours. Before you worry, remember that allergic reactions are far less severe in babies under one year old.
The safest time to begin feeding proteins is actually between 4 and 6 months old.
If your baby has a reaction, call your doctor or seek medical attention. Discuss your options moving forward with your pediatrician.