Sodium can come from salt added to food and from processed products. Reading labels and considering the whole diet helps identify sources. Ask a professional before adopting a restrictive diet for an existing condition. Compare sodium information on packaged foods where available. Consider table salt, seasoning cubes, sauces and salty snacks together rather than focusing on one brand. This article helps identify sodium in everyday eating; the blood-pressure article explains its relevance to hypertension. A clinician or dietitian should advise on personal restrictions and salt substitutes when health conditions affect food choices.