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10/28/20255 Worst Foods for Your Gut Health (and What to Eat Instead)
Feeling off your game lately? Maybe you’re extra tired, bloated, or just not yourself. You might think it’s stress or lack of sleep but your gut could be the real reason.
Let’s dive into the 5 worst foods for your gut health and what to eat instead. Some of these may surprise you! You can catch this information on my 5 Worst Foods Youtube Video.
1. Ultra-Processed Foods
Packaged snacks, frozen meals, instant noodles…sound familiar? According to the CDC, Americans now get about 55% of their daily calories from ultra-processed foods.
These “foods” are low in fiber and loaded with preservatives and additives that disrupt the delicate balance of gut bacteria. Even worse, they’re engineered to light up your brain’s dopamine reward center, hitting the “bliss point” of sugar, salt, and fat that keeps you craving more.
Better choice: Home-cooked, whole-ingredient meals. Even a quick stir-fry or veggie-packed soup beats anything from a box. Meal prep is your secret weapon because it keeps healthy food ready when you’re short on time.
2. Sugar and Refined Carbs
No surprise here! Sugar is one of the worst offenders for your microbiome. It feeds harmful gut bacteria and yeast, leading to inflammation and a condition called dysbiosis, when bad microbes outweigh the good.
And don’t forget refined carbs — they quickly turn to sugar in the body.
Better choice: Fresh fruit like blackberries, raspberries, or Granny Smith apples. They’re naturally low in sugar, rich in fiber, and taste sweeter once you detox from added sugar.
3. Artificial Sweeteners
Those “zero-calorie” sweeteners in diet sodas and sugar-free snacks like aspartame, sucralose, and saccharin aren’t doing your gut any favors. Studies show they can disrupt gut bacteria and even affect blood-sugar control, the very thing they’re supposed to help with.
Better choice: Natural options like stevia or monk fruit, used sparingly. Your gut (and your taste buds) will adjust beautifully over time.
4. Alcohol
Whether it’s wine, beer, or cocktails, alcohol can damage your gut lining, trigger leaky gut, and reduce beneficial bacteria. Mocktails can be tricky too since many are high in sugar.
Better choice: Sparkling water with lemon or cucumber, kombucha (watch the sugar), or calming herbal teas. If you enjoy a drink occasionally, keep it moderate. Fun fact: A recent Gallup poll found that only 54% of U.S. adults now drink alcohol, down from 62% just a couple of years ago. You’ll be in good company if you skip it.
5. Processed and Fast-Food Meats
Bacon, hot dogs, lunch meat, fast-food burgers — these are full of saturated fat, nitrates, and preservatives that fuel inflammation and upset gut flora. Even “nitrate-free” versions may still be high in salt or fat.
Better choice: Choose grass-fed or lean meats, or plant-based proteins like tofu and tempeh. (Skip the fake meats — they’re ultra-processed too.) The key is building meals at home so you control the ingredients.
A Final Gut Check
Your gut does more than digest food. It supports your immune system, mood, and brain health. So if you’re feeling off, tired, or foggy, a few simple food swaps can make a big difference.
Cut back on the gut offenders. Add more real, whole foods. And pay attention to how your body responds. You’ll likely notice better energy, less bloating, and a happier gut.
Download my free guide: The 5 Worst Foods for Gut Health (and What to Eat Instead). It’s packed with simple swaps to help you reset your gut and feel your best.Join my monthly eNewsletter Brenda’s Gut Health Secrets with self care tips, science-backed advice, online event announcements, success stories, and much more.



