
He can't eat cheesecake.
He's lactose INTOLERANT.
The Big Bang Theory Season 1, Episode 16

- Right. No. I'm lactose INTOLERANT.
- Right.
The Big Bang Theory Season 2, Episode 1

-be gluten INTOLERANT, as many people.
-Yes.
Money Heist Season 1, Episode 11

Leonard's lactose INTOLERANT.
He can't eat anything here...
The Big Bang Theory Season 4, Episode 4

You know I can't eat butter.
I'm lactose INTOLERANT.
The Big Bang Theory Season 2, Episode 23