Note: I am not a doctor or nutritionist, just someone who does a lot of research. You should do your own.
All cholesterol in food comes from animals — and by all accounts, way too much of it. Put differently, if you’re vegan like I am, then you get precisely none in your diet, your body has to manufacture it all.
There’s ton of pages out there explaining about “good” and “bad” cholesterol, for example this one: