What's in your Chipotle burrito?

Salt adds up pretty quickly when you're building a burrito from scratch. A Carnitas, or pork, burrito with white rice, pinto beans, Tomatillo-red chili sauce, Romaine lettuce, sour cream, cheese and guacamole has 2,650 mg of sodium, not to mention 1,185 calories. Surprise: the saltiest item is the soft flour tortilla that holds it all together (at 670 mg of sodium). Choose this instead: A Burrito Bowl. Skip the tortilla and dish up lower-salt fillings like chicken, brown rice, fajita veggies, and green tomatillo salsa. The total comes to 920 mg of sodium and 385 calories.

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    What's in your Chipotle burrito?

Popular food chain Chipotle announces that some of its ingredients are genetically modified. CNN's Brian Todd reports.