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Average retail price per pound: $1.35

This is probably the most popular fruit during the fall season. They are naturally sweet, full of potassium, protein, and vitamins A and K. They will keep your metabolism high, your skin glowing and aid in muscle recovery. Pumpkin seeds pumpkin are also an energy booster. They are light, easily digestible, and high in proteinMagnesium is crucial for the production of ATP (adenosine triphosphate), the energy molecules in the body.