Photo by Jordan Shakeshaft

While some salads are clearly superior to others, it turns out they can vary greatly when it comes to nutritional value — and it all starts with that leafy green base. So while iceberg is a solid source of vitamins A and K, spinach and romaine pack up to ten times higher concentrations of essential nutrients. And it turns out opting for the greener tops and outer leaves of most greens makes for an even more nutritious base (not to mention a more colorful one!). Take a look at our graphic for a more detailed breakdown of each green’s nutritional makeup to help you build the perfect salad.

The Takeaway: Opt for greens like spinach and romaine for a healthier salad.

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