Celery is high in fiber and nutrients and while being very low in calories. Celery is rich in a plant compound called phthalide, a phytochemical which relaxes the artery walls to improve blood flow and help lower blood pressure. 
The antioxidants in celery include well-known varieties such as flavonoids and vitamin C. They help cancel out free radicals that can harm cells and lead to cancer and other diseases. 
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Photo shows 5g
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100% Organic Celery dehydrated on low heat for maximum nutrient retention. Australian produce.