Imports In 2020, Saint Vincent and the Grenadines imported $4.36k in Calcium hydrogen-orthophosphate, becoming the 0th largest importer of Calcium hydrogen-orthophosphate in the world. At the same year, Calcium hydrogen-orthophosphate was the 0th most imported product in Saint Vincent and the Grenadines. Saint Vincent and the Grenadines imports Calcium hydrogen-orthophosphate primarily from: N/A.