Innovative Beverage Group Holdings Inc. launched Drank, a relaxation beverage. Drank contains melatonin, valerian root and rose hips to help relax the body and mind, the company says. The product has 100 calories per serving. In addition, the lightly carbonated grape-flavored beverage is packaged in a 16-ounce can, and retails between $1.99 and $2.49.