Three or Five Groupons, Each Good for $10 Worth of Wraps and Sandwiches at Life Zone Cafe (Up to 40% Off)

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Up to 40% Off
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What You'll Get


Choose Between Two Options

  • $18 for three Groupons, each good for $10 worth of wraps and sandwiches ($30 value)
  • $30 for five $Groupons, each good for $10 worth of wraps and sandwiches ($50 value)
  • See the menu.

Salt: From Kitchen Shakers to Ancient Soldiers’ Paychecks

Salt is one of the most consumed substances in the world, but its uses extend far beyond food. Check out Groupon’s guide to learn more about this storied seasoning.

A familiar presence on tabletops throughout the world, salt is a white, crystalline substance composed of equal parts sodium and chloride. Though composed of at least 97% sodium chloride, ordinary table salt has a few common secondary ingredients: potassium iodide to prevent goiters and safeguard mental health, dextrose to stabilize the compound, and anticaking agents. Typically mined from underground salt deposits, table salt is often highly processed, yielding a fine, even texture easily mistaken for sugar. Conversely, sea salt is derived directly from the ocean (or brine) via evaporation—a process that results in a purer blend with a coarser texture, a slightly different flavor, and sometimes even a slight hue. Regardless of its origin, salt is widely considered to help balance bodily fluids, aid in digestion, and enhance the flavor of foods both sweet and savory.

Salt has long been an important part of daily life. Archaeologists discovered salt mines in Eastern Europe dating back to the Neolithic Age—thousands of years before such ancient cultures as Egypt and China added salt to their to-discover lists. The original use is unclear, but salt was likely used for preserving food and bleaching fabrics before it became a spice and even an antiseptic. As demand grew, the substance became as valuable as currency. In fact, salt made up such a large portion of ancient Roman soldiers’ pay that the allowance became known as salarium—the basis for the word “salary.” If a soldier no longer deserved his full stipend, he was, quite literally, “not worth his salt.”

The Fine Print


Promotional value expires 120 days after purchase. Amount paid never expires. Limit 1 per person. Valid only for option purchased. May be repurchased every 90 days. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.

About Life Zone Cafe


Life Zone Cafe

Restaurant, Bar Food, Cafe, Cafe & Treat
By purchasing this deal you'll unlock points which can be spent on discounts and rewards. Every 5,000 points can be redeemed for $5 Off your next purchase.