Hashimotos, which is an autoimmune condition where you immune system attacks your thyroid, can be set off from having a leaky gut. (Approximately 90% of hypothyroid conditions are due to Hashimoto’s.) It is important to understand what leaky gut is and how to heal it, if you are trying to reverse your thyroid condition.
Leaky gut is also known as increased intestinal permeability. It’s when the cells lining our intestines (gut) separate a bit from each other. They’re supposed to be nice and tightly joined to the cell beside it; this is to allow certain things into our bodies (like nutrients), and keep other things out.
When the tight junctions between intestinal cells weaken it can cause the gut to be more permeable – leakier – than normal. When this happens, it allows things into our bodies that should not get in; things like large pieces of protein, toxins, or even bacteria and waste.
When substances that shouldn’t be there get into our bloodstream through the “leaks” in our gut, our immune system kicks in. These leaked bits mimic a food allergy, and our body reacts accordingly. It mounts a response to try to attack the invaders, and this causes inflammation.
Leaky gut is associated with a number of issues including food allergies, celiac disease, autoimmune diseases (e.g., Inflammatory Bowel Disease, Hashimoto’s, asthma, type 1 diabetes, acne, eczema), joint pain, and neurological problems (e.g., multiple sclerosis). Some research shows that leaky gut might contribute to or worsen these conditions.
While some of our gut permeability may have a genetic factor, there are lifestyle habits that contribute as well. Too much sugar or alcohol, and not enough fibrer can make things worse. Even certain compounds in foods (e.g., gluten, lectins, casein, fructose) and food additives (e.g., MSG) can weaken tight junctions.
So, what should we eat, and ditch, for optimal gut health?
Avoid or reduce these
There are certain foods that irritate the gut or can cause those loosened junctions to get even looser.
Some of these include:
- Foods that you’re allergic to
- Foods with added sugar
- Foods containing MSG
- Foods with sugar alcohols (e.g., sorbitol)
- Gluten-containing grains (e.g., wheat, rye)
- High-lectin foods (e.g., grains, legumes)
- Nightshades (e.g., eggplant, peppers, tomato)
- Dairy (which contains casein & lactose)
- Excessive alcohol
It’s a good idea to reduce these foods and if leaky gut is a confirmed issue for you, avoid them until the leaky gut has been addressed.
Eat more of these
There are also a bunch of foods that support gut health, including the intestinal cells themselves, as well as our friendly gut microbes. Many of these also reduce inflammation.
Things like:
- Probiotic-rich fermented foods (e.g., sauerkraut, kimchi)
- Prebiotic fiber-rich foods which help our gut microbes produce butyrate (e.g., leafy greens, vegetables, fruit, nuts, seeds)
- Glutamine-rich foods (e.g., bone broth, meat)
- Zinc-rich foods (e.g., shellfish, organ meats, and pumpkin seeds)
- Quercetin-rich foods (e.g., citrus, apples, onions)
- Curcumin-rich turmeric
- Indole-rich foods (e.g., broccoli, cauliflower, cabbage, mustard greens)
These are all nutritious foods that can help with gut health and overall health.
It’s not just what you eat that can affect your gut. Other lifestyle habits can help too.
Try:
- Eating slower and chewing better to help break down food better
- Eating when hungry, and stopping when satisfied
- Going to the bathroom when you need to (don’t hold it for longer than necessary)
- Getting more high-quality sleep
- Better stress management
All of these are great healthy habits to get into, gut problems or not.
Here are some other tips for repairing your gut.
Conclusion
To help keep our guts (and our bodies) in optimal condition, there are a lot of foods we should eat (and lots we should reduce).
Sticking with nutrient-dense unprocessed foods is always a good plan, whether you have gut issues, other concerns, or feel completely healthy.
And, don’t forget the importance of a healthy lifestyle like good eating habits, sleep, and stress management.
Which of these foods have you added or reduced? Let me know in the comments below.
Recipe (Gut supporting): Braised Greens with Turmeric
Serves 4
2 bunches leafy greens (kale, chard, collards), washed and chopped
2 tbsp olive oil
Juice of 1 lemon
½ tsp turmeric
2 dashes salt and pepper
Instructions
Heat the olive oil in a large skillet over medium heat.
Add the greens and a splash of water.
Sauté until the greens start to wilt.
Remove from heat and sprinkle with lemon juice, turmeric, salt and pepper.
Serve & enjoy!
Tip: Serve this as a side dish (hot or cold), or add to soup.
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