Can a product with "0g sugar" contain lactose?

from blog Alex W.'s Blog, | ↗ original
I am severely lactose intolerant, so I strictly avoid lactose in my diet. Unfortunately, there is no lactose free label1. However, lactose is a sugar. So, can you use the sugar entry on a nutrition label to determine if a product has zero lactose? Firstly, is lactose including in the analysis of “Total Sugar” on an FDA mandated nutrition label?...