This is the nutrient content in 1 cup (185 grams). This applies to cooked quinoa (2):
Protein: 8 grams.
Fiber: 5 grams.
Manganese: 58% of the RDA.
Magnesium: 30% of the RDA.
Phosphorus: 28% of the RDA.
Folate: 19% of the RDA.
Copper: 18% of the RDA.
Iron: 15% of the RDA.
Zinc: 13% of the RDA.
Potassium: 9% of the RDA.
Over 10% of the RDA for vitamins B1, B2 and B6.
Small amounts of calcium, B3 (niacin) and vitamin E.
This is coming with a total of 222 calories, with 39 grams of carbs and 4 grams of fat. It also contains a small amount of omega-3 fatty acids.
Quinoa is non-GMO, gluten-free and usually grown organically. Even though technically not a grain, it still counts as a whole grain food.
NASA scientists have been looking at it as a suitable crop to be grown in outer space, mostly based on its high nutrient content, ease of use and how easy it is to grow (3).
The year 2013 was actually called “The International Year of Quinoa” by the United Nations (UN), based on its high nutrient value and potential to contribute to food security worldwide (4).