Low sodium olives contain 40 mg sodium compared to 120 mg of sodium in regular olives. 30 calories per serving. 40 mg of sodium (2% DV). www.mariocamachofoods.com. Home to Mario olives in the sun-drenched groves of the Mediterranean, the Camacho family has grown and prepared olives for over a hundred years. Enjoy Mario's unmistakable, delicious, bold flavor. Just pop the top and discover a little taste of olive heaven! Join the conversation! Facebook/MarioOlives. Product of Spain.