Flexi-Patch with proprietary Mandarin wood vinegar from Korea is the only clinically tested foot patch. Great for detox, tired and aching muscles, better sleep, edema (swollen legs and ankles due to water retention), better skin complexion and as part of a health maintenance program. May be used by those needing to manage symptoms caused by gout or diabetes such as pain in the feet or cramps. Flexi-Patch is safe as it does not put anything into the body so there is no risk of contraindication with other medication.