Eat · Brain health technique
Minimize ultra-processed foods (UPF)
Evidence grade: Essential
Not all processed foods are bad. However, many foods built mostly from industrial ingredients, refined starches, oils, sugars, additives, flavorings, rather than whole foods can have unknown or deleterious effects. Examples: packaged snacks, sugary cereals, instant noodles, processed meats, most frozen “ready meals.”
- Practice
- Eat
- Principle
- Nourishment
- Tactic
- Other Nutritional Strategies
- Health domains
- gut health, inflammation, metabolic
- Evidence grade
- Essential
- Strength of evidence
- High
- Cost
- High
- Effort
- Medium
- Time commitment
- Low
How to practice Minimize ultra-processed foods (UPF)
Try to make ultra-processed foods the exception, not the base of your diet. If you can keep them to roughly 10–15 percent of daily calories, that’s a good practical goal. A few medical or travel foods are fine short-term.
The evidence behind Minimize ultra-processed foods (UPF)
Dozens of large observational studies show that people who eat lots of ultra-processed food have faster memory decline and smaller brain volumes. These foods flood the body with easy carbs and chemical additives that trigger inflammation, insulin resistance, and gut changes that strain the brain’s energy system. Many of these foods are manufactured to be highly palatable, increasing calorie consumption. Short clinical trials show that swapping them out quickly improves inflammation and energy balance.
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