Here’s a simple but powerful habit: aim to eat at least 30 different plant foods every week, and try to include plenty of dark-colored ones like black beans, blueberries, and dark chocolate. Why does this matter? Because a diverse plant intake feeds your gut bacteria, which helps your digestion, brain, and overall health work better.

How to do it:

1. Keep a list of plant foods you eat each week—fruits, veggies, nuts, seeds, legumes, herbs, and spices all count.

2. Each day, add something new or different. For example, swap your usual snack for roasted chickpeas or edamame.

3. Toss berries or nuts on your morning cereal or yogurt.

4. Experiment with herbs and spices like turmeric, cumin, or sumac to change up your flavors.

5. Focus on dark-colored plants because they contain anthocyanins andbthese antioxidants help reduce inflammation in your brain, support new brain cell growth, and improve how your brain cells connect.

Why it works:

Eating a wide variety of plants feeds different types of good bacteria in your gut. Research from the American Gut Project found that people who eat over 30 different plant foods a week have a more diverse gut microbiome and fewer antibiotic resistance genes, which basically means a healthier gut that can better protect you. The dark-colored plants add extra brain benefits through their antioxidant properties.

When and how to use this:

Try this as a foundation for better health. Pair it with gentle daily movement like walking or yoga to help digestion and reduce stress hormones. Once you’re comfortable, you can also try eating within an 8-hour window (like noon to 8 p.m.) to help keep your blood sugar stable without cutting nutrients.

Bottom line: eating a broad range of plants is about adding small, manageable changes that build up to real benefits. Keep it simple, keep it varied, and notice how your energy and focus improve.