June follows a special diet that does not allow her to eat any milk products. this diet could be

Vegan
A Vegan diet means no consumption of animal products. There are varying degrees of strictness for these diets, but most variations are meat and dairy-free. Some only restrict these products while others restrict everything including honey and use of non-food animal products.

Make a decision because you before you make a decision you have to know what it’s about and do reasearch