Antioxidants are remarkable compounds that help neutralize free radicals, those unstable molecules that, left unchecked, can damage our cells over time. While science is still uncovering the many ways antioxidants support our health, research suggests they play an important role in protecting everything from our brain and gut to our heart and other vital organs.
The USDA has tested a wide range of foods for antioxidant levels, and some consistent standouts include fruits, vegetables, nuts, seeds, and green tea. Berries, leafy greens, and unsweetened dark chocolate are often at the top of the list, and it’s fascinating to think about how nature seems to have built these protective compounds right into some of the most colorful, flavorful foods.
Interestingly, when water is removed from fruit - as in dried fruit - the antioxidant concentration per bite becomes higher. This makes dried fruits a convenient, nutrient-dense snack for travel or busy days. That said, it’s worth checking labels and choosing options without added processed sugars so the health benefits aren’t overshadowed by unnecessary sweeteners.
A diet rich in fiber - often found alongside antioxidants in whole plant foods - can also support gut-brain health and help maintain steady blood sugar levels. It’s a reminder of how interconnected our systems are, and how simple daily choices can ripple into long-term well-being.
See this PDF for the list of top 20 foods and top categories overall: https://www.stjohns.health/documents/content/top-20-foods-high-in-antioxidants.pdf
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