...two years old. Finally, doctors switched Makenzie to Neocate, a hypoallergenic formula made up of individual amino acids (the building blocks of protein) instead of the full or partial protein chains in the other formulas that Makenzie tried. Almost immediately, she was able to keep the formula down. Within a month, she gained six pounds. At age four Makenzie began to show signs that she wanted to eat orally. Pam tried feeding her jarred baby...