3 ms·

Exactly, and this is because a huge part of our immune system lies in our gut. You can eat things all day that would kill you if injected.

• hyghjiyhu 10mo ago
  I think it's also the physical barrier. Like how getting bacteria on your skin is no big deal.
• cheald 10mo ago
  This is, specifically, why oral GLP-1s haven't been a thing until now; peptides are too fragile to survive the digestive system and make it into the bloodstream.