Often referred to simply as Pei Pa Koa, the sticky black cough syrup has been produced by Hong Kong-based company Nin Jiom Medicine Manufactory since 1946, but has its roots in the early years of ...

When Ariana Grande says she’s adding something to her ‘vocal box’, you know it will work wonders for your throat. We’re talking about Pei Pa Koa (also called Nin Jiom Pei Pa Koa), a Chinese herbal ...

Pei Pa Koa, a popular herbal remedy used by Filipinos and Chinese for sore throats, is apparently an essential for some of the cast members of Wicked. In a promotional video, the cast of the hit m ...

When Ariana Grande says she’s adding something to her ‘vocal box’, you know it will work wonders for your throat. We’re talking about Pei Pa Koa (also called Nin Jiom Pei Pa Koa), a Chinese herbal ...