Foods that appear to offer additional health benefits beyond simple nutrition. There really isn't one standard definition for superfoods, but they usually are some combination of the following:
- Low in calories.
- Contain substantial amounts of omega-3 fatty acids or monounsaturated fatty acids.
- High in fiber.
- Contain phytochemicals that have been found to have the potential to prevent disease in laboratory or clinical research.
- Rich in vitamins and minerals.
- Low in unhealthy substances such as saturated fats, trans-fats or refined sugars.
One example of a superfood is salmon
. That's because it contains large amounts of omega-3 fatty acids, a substance called astaxanthin
, and is low in saturated fat and calories. Many fruits and vegetables are considered superfoods because they are high in fiber
and phytochemicals and usually low in calories. Functional foods
are often considered superfoods.
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