Celery is an excellent source of B vitamins, vitamin C and fibre. It is a great source of potassium, calcium and folate. It's anti-inflammatory and antioxidant properties aid digestion, calm the nervous system and reduce oxidative stress. It is an effective diuretic that improves detoxification. Celery-based juices are fantastic after a workout to restore electrolytes and rebalance sodium and potassium levels.