health
Iceberg, romaine, kale: which salad greens are healthiest?
If you’re trying to meet your daily serving of 2.5 cups of vegetables, you might have some questions

TL;DR
- Nutrient density (nutrients per calorie) varies among greens; watercress and cruciferous vegetables are highlighted for their high nutrient content.
- Variety is key, with different greens like spinach, kale, and romaine offering distinct nutritional benefits.
- Darker green vegetables are generally richer in nutrients, especially phytonutrients, but lighter greens still provide essential vitamins and fiber.
- Consuming greens with healthy fats aids absorption of fat-soluble vitamins (A, E, K), and cooking can increase nutrient absorption and safety.
- Thorough washing is crucial for raw greens, but cooking is more effective at reducing the risk of foodborne illnesses.
- Leafy greens are susceptible to contamination due to their physical structure and handling during harvest and transport.
- Some nutrients like folate and vitamin C may decrease with storage, but most vitamins, minerals, and fiber remain stable.
- Proper storage, such as using produce bags or paper towels in containers, helps maintain freshness and nutrient integrity.