CBP Finds China to be Origin of Colonoscopy Preparation Solution

CBP determined that Prepopik colonoscopy preparation solution originates in China for government procurement “buy American” purposes, the agency said in a notice (here). The combining of sodium picosulfate and magnesium oxide are what give the product "a more stimulative effect," said CBP. Because those two ingredients are combined in China, that's where the substantial transformation occurs, the agency said..