Chapter 1 of 10
Spinach
If You Read Nothing Else

Spinach is one of the densest sources of dietary nitrate, which the body uses to relax blood vessels.
Read the whole guide on one page →A brief sauté with olive oil and garlic — the Persian way — improves absorption of its fat-soluble vitamins.
Pair it with lemon or another vitamin-C food to get more of its iron.
Spinach is one of the most nutrient-dense leafy greens there's. A small serving covers a meaningful share of your daily magnesium, folate, vitamin K, and the dietary nitrates that support circulation and exercise performance.