Guifei vinegar is made by fermenting apple juice and Lycium barbarum twice, and then adding pollen, isomaltooligosaccharide, honey and pearl powder. According to Suixiju Diet Spectrum, drinking vinegar regularly can "nourish the liver, strengthen tendons, warm bones, promote digestion and sober up" ... Less salt and more vinegar can keep you healthy, and it tastes better when chilled.

Ingredients list: fresh apple juice, medlar, apple vinegar, pollen, honey, pearl powder, glucose, vitamin C and sorbic acid.