This definition appears rarely
See other definitions of HAF
Other Resources:
Acronym Finder has 21 verified definitions for HAF
If your toddler is used to milk, there are other options out there for milk based toddler formula that you should probably try first. The Gentlease line is for sensitive babies and contains partially broken down proteins to aid with digestion of milk. It does taste different, but for babies that had milk allergies and are used to the disgusting taste of Nutramigen/ Alimentum and similar hypo-allergic baby formula.