It is best to supplement sugar after running, because at this time, the body's glycogen consumption is almost the same, and the effect of supplement is better. Especially after 30-60 minutes of strenuous exercise, the absorption rate of sugar supplementation is 300% of usual.

Never eat salt water! Excessive sodium intake, beware of high blood pressure! Drink some sports drinks if you want to supplement inorganic salts.

Dizziness after running is generally due to a little ischemia and discomfort in the brain. It doesn't matter as long as it's not heatstroke. During running, if possible, it's best to replenish some water and drink a few mouthfuls every 5- 10 minutes. Especially in summer, it is very important to replenish water. Every time the body lacks 1% water, the exercise ability will drop by 2%!