Yin Qiao Formula (or Honeysuckle and Forsythia Combination) is regarded as highly effective in combating cold and flu in traditional Chinese medicine (TCM). Devised almost 150 years ago, this herbal formula contains honeysuckle (flos lonicerae), forsythia, peppermint, arctium fruit, schizonepeta, lophatherum herb, balloonflower root, semen sojae preparatum, and licorice, a combination that has been historically documented and an immune enhancing, flu fighting formula*. 71601SKU 6934918705679