Friday, Aug 21, 2020, 9:38 am

By:Tony Williams

#11 Spinach

Setting all Popeye jokes aside, spinach really is a super food for strength and endurance. Research shows that the nitrates contained in spinach make the oxygen supply to our blood more efficient. Nitric oxide specifically helps to avoid loss of stamina through heat loss, a major side effect of exercise. Eat your greens!