FIT TIP: Along with replacing the fluid your body loses through sweating after exercise, it is of equal importance to replace the sodium loss as well. On average your body loses about 500mg sodium/lb of sweat during exercise. What’s a great way to get natural sodium you ask? CELERY! There is 80mg of sodium per 100g of celery. Other health benefits: rich in vitamin A, C, E, D, K, contains folate and provides fiber!