they are stronger than real sugar

This is only true on a per-weight basis - which is why they use a lot less of it to obtain the same degree of sweetness.

they make your intestines absorb more sugar since the sugar receptors get clogged trying to absorb the artificial stuff

This is an amazing chunk of nonsense you should actually be congratulated for.

That second one probably doesn’t affect you very much though

Because it’s nonsense.