I don't use Danzen tablets anymore, becoz according to my dr, it has been discont'd in Japan and Korea, etc....found to be similar to placebo (sugar pills!)

http://www.hsa.gov.sg/publish/hsaportal ... 2548580121

Have switched to leftose, which is safe and very effective against sore throats.....my whole family uses it. Almost overnight recovery. Sold in Guardian and I think Unity too....