Commercial almond milk does not taste good, it makes them taste weird. (thevegan8.com)
However, most commercial almond milk is fortified with calcium to make it equivalent to cow milk in its calcium content. (healthline.com)
I've made almond «milk» which I'd consider trying in homemade ice cream, but I wouldn't use commercial almond milk as it's too processed and full of additives and usually sweeteners. (davidlebovitz.com)