Low in Calories:
- Red onions are low in calories, making them a good choice for adding flavor without significantly impacting caloric intake.
Carbohydrates:
- They contain a modest amount of carbohydrates, primarily from natural sugars and fiber.
Fiber:
- Red onions are a good source of dietary fiber, which supports digestive health, helps maintain healthy bowel movements, and can aid in weight management.
Protein:
- They provide a small amount of protein, though not in significant quantities compared to other protein sources.
Fat:
- Very low in fat, which makes them a heart-healthy addition to meals.
Vitamins:
- Vitamin C: Red onions are a good source of vitamin C, which supports the immune system, acts as an antioxidant, and helps in the absorption of iron.
- Vitamin B6: Contains vitamin B6, which is important for brain health and the metabolism of proteins and carbohydrates.
- Folate (Vitamin B9): Provides folate, which is essential for DNA synthesis and cell division.
Minerals:
- Potassium: Supports cardiovascular health by helping to regulate blood pressure and fluid balance.
- Calcium: Contributes to bone health and muscle function.
- Magnesium: Important for muscle and nerve function, and bone health.
- Iron: Contains iron, which is vital for oxygen transport in the blood.
Antioxidants:
- Rich in antioxidants such as quercetin and anthocyanins, which can help reduce oxidative stress and inflammation. These compounds are also believed to have anti-cancer properties.