03/31/2026
Most people have never heard of emulsifiers. But if you are eating packaged foods regularly, you are almost certainly consuming them.
Emulsifiers are additives used to improve the texture and extend the shelf life of processed foods. They are what make nut milks creamy, protein powders smooth, and salad dressings from separating on the shelf. On the surface, that sounds harmless. But what they do inside your gut is a different story.
Research shows that common emulsifiers like polysorbate 80, carboxymethyl cellulose, and carrageenan can thin and erode the protective mucus layer that lines your intestines. That mucus barrier exists for a reason. It keeps bacteria and food particles where they belong and out of your bloodstream. When it gets damaged, you create the conditions for leaky gut, chronic inflammation, and immune dysregulation.
What makes this particularly frustrating is where these ingredients show up. Not just in obvious junk food, but in the products people buy specifically because they are trying to eat well. Oat milk, almond milk, coconut milk, protein powders, salad dressings, and even some supplements.
The fix is not complicated, but it does require reading labels. Look for these names on ingredient lists:
Polysorbate 80, carrageenan, carboxymethyl cellulose, soy lecithin, guar gum, xanthan gum.
If you are dealing with bloating, irregular digestion, food sensitivities, skin issues, or fatigue that no one has been able to explain, the ingredients in your everyday foods may be part of the picture.
This is the kind of root cause detective work we do every day at Aura Functional Medicine.
Link in bio to schedule a free discovery call with Dr. Egeland.