6 Foods That Boost Workout Endurance

1. Onions

Quercetin amount: 20 mg/100 g

2. Green Tea

Quercetin amount: 1.69 milligrams per 100 g brewed

3. Apples

Quercetin amount: 10 milligrams per medium unpeeled

4. Tomatoes

Quercetin amount: .58 mg/100 g

5. Berries

Quercetin amount: 3.58 mg (blackberries); 7.67 mg (blueberries) per 100 g.

6. Cherries

Quercetin amount: 2.29 mg/100 

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