I’m lactose intolerant, as are (both) my parents and my sisters.
Nobody needs milk. Milk is meant for young cows, not for humans. I haven’t drunk milk in the 25 years that I’m alive and I’m perfectlt healthy. So are my parents and sisters.
I use a Dutch product called Kerutabs, which works great. I have my parents send me it by mail now and then, when I run out. Take half a tablet and I can eat all milk products except for real milk for 2 to 3 hours.
Combined with being a vegetarian (again, my whole family) these lactase enzymes are truly lifesaving… imagine not eating meat/fish and not eating dairy! I’d go crazy.