5 Foods I’ll Never Eat Again (and Why You Shouldn’t Either)
Dr. Steven GundryPublished on September 4, 2025
Summary authored by editor@wellifi.com
TLDR Summary
Many foods marketed as healthy, such as low-fat products, diet sodas, and conventional dairy, can actually harm your health. Opt for high-fat, low-sugar diets and consider alternatives to commonly consumed items to improve well-being.
Key Points
- Avoid low-fat diets as they often contain added sugars.
- Diet sodas can lead to glucose intolerance and increased cravings for sweetness.
- Whole grains may contain harmful lectins; consider alternatives like millet or sorghum.
- Cow's milk can promote rapid growth and contains proteins that may be harmful.
- Most coffee creamers are unhealthy; opt for MCT-based options or skip them entirely.
Top 5 Foods to Avoid for Better Health
In the quest for optimal health, many individuals turn to foods that are often marketed as healthy but may actually do more harm than good. After spending decades in the operating room, I have identified several so-called health foods that deserve a second look. Here are five foods you might want to rethink.
1. Low-Fat Diets
One of the biggest nutrition mistakes in recent history is the widespread adoption of low-fat diets. Starting in the 1970s, fat was vilified, leading to the proliferation of fat-free products that were often loaded with sugar and starch instead. This notion originated from a cherry-picked study by scientist Ancel Keys, which falsely linked fat to heart disease. The result? Rising obesity rates, diabetes, and heart disease. Today, I embrace a high-fat, low-sugar, plant-heavy diet, and I avoid anything labeled as low-fat, as these products often contain added sugars.
2. Diet Sodas
Having once been a daily consumer of diet sodas, I learned the hard way that these beverages, despite being calorie-free, contain artificial sweeteners like aspartame and sucralose. These sweeteners can confuse your brain and harm gut bacteria, potentially leading to glucose intolerance and insulin resistance. Additionally, they are much sweeter than sugar, dulling your taste buds and increasing your cravings for sweetness. Instead, I now enjoy San Pellegrino with balsamic vinegar as a healthier alternative.
3. Whole Grains
Grains such as wheat, rye, and barley are known to contain gluten, a type of lectin that can damage the gut lining. While some may argue that quinoa is a healthier option, the traditional preparation methods of the Inca people involved fermenting and detoxifying it, which is not commonly practiced today. I recommend pressure-cooking quinoa to reduce lectin content or opting for naturally lectin-free grains like millet or sorghum.
4. US Cow Dairy
Cow's milk is designed to promote rapid growth in calves, largely due to insulin-like growth factor (IGF-1). This substance can be detrimental to both children and adults. Most American dairy comes from Holstein cows, which produce a type of casein protein (A1) linked to various health issues, including leaky gut and autoimmune responses. Instead, I suggest using dairy products from goats, sheep, or buffalo, particularly those rich in medium-chain triglycerides (MCTs) and containing A2 casein, such as Parmigiano-Reggiano from Italy.
5. Coffee Creamer
Many people rely on coffee creamers, but most contain emulsifiers that can damage the gut wall and are loaded with unhealthy oils. Even so-called healthy creamers can pose risks due to their ingredients. I recommend MCT-based creamers made from coconut milk or almond milk (without skins), or simply adding cinnamon to your coffee instead.
Conclusion
It's essential to be discerning about the foods we consume. Many products marketed as health foods can be misleading and harmful to our well-being. By avoiding low-fat diets, diet sodas, whole grains, cow dairy, and conventional coffee creamers, and instead opting for healthier alternatives, we can improve our health and overall quality of life.
Key Takeaways:
- Avoid low-fat diets as they often contain added sugars.
- Diet sodas can lead to glucose intolerance and increased cravings for sweetness.
- Whole grains may contain harmful lectins; consider alternatives like millet or sorghum.
- Cow's milk can promote rapid growth and contains proteins that may be harmful.
- Most coffee creamers are unhealthy; opt for MCT-based options or skip them entirely.
TLDR Summary:
Many foods marketed as healthy, such as low-fat products, diet sodas, and conventional dairy, can actually harm your health. Opt for high-fat, low-sugar diets and consider alternatives to commonly consumed items to improve well-being.