it is made from thousands years recognized unique vegetation of yunnan province which enjoys a reputation of kingdom of green vegetation. it was purified and refined by modern technology. it refined the useful content from daidai by complicated technic, is manufactured by the approval of the state drug and food gmp manufacture standard and is proven to be no side effect. specification: 350mgx6pillsx5pcs storage: store in cool (room temperature), dry and dark condition. valid period: 24 months approval code: ywszz [2007] no.530100-002310 standard employed: q/kl2004-02 producer: kunming lingcao bio-technology co., ltd. general franchiser: kunming dali industry & trade co., ltd. address: no.372, west renmin road, kunming, yunnan province.