Phosphtidyl Choline(PPC) Solution made in Korea is much less pricy than those of European competitors but no inferior in quality & effect. Over the clinical trial on over 10,000 patients, no single side-effect has been reported as yet. You can lose 4 to 6 inches on waist/abdomen by treating 4 to 5 boxes with 10 to 15 day interval. Please feel free to contact me for more details.