Neither products have specific properties to help with increasing appetite. The main differences between Goat Milk and Cow Organic Milk are: 1) Goat Milk has Natural A2 Goat Protein, with low A1 making it easier to digest. Cow Milk has high A1 casein 2) Goat Milk contains less lactose than Cow Milk 3) Goat Milk has smaller fat molecules with a greater surface are, for faster and easier digestion compared to Cow milk which has larger fat molecules 4) Goat Milk has higher levels of Omega 6, Vitamin A & D vs Cow Milk that has higher Vitamin B12 and Folic Acid