Spinach is a vegetable that's nearly all water. Add it to your meals and snacks throughout the day for extra H2O.

Is spinach the most healthy vegetable?

1. Spinach. This leafy green tops the chart as one of the healthiest vegetables, thanks to its impressive nutrient profile. One cup (30 grams) of raw spinach provides 56% of your daily vitamin A needs plus your entire daily vitamin K requirement — all for just 7 calories (1).

Why is spinach healthy?

Spinach is an excellent source of vitamin K as well as being a source of magnesium, calcium and phosphorus. These nutrients are important for maintaining bone health.