Answer: No (Star-K, cRc).
Reason: Plain sugar has no kashrut concern.
Source:
- Star-K: its list of products that need no hechsher includes sugar (cane, beet, brown, confectioners), provided there are no additives and it is not a product of Israel.
- cRc: sugar is acceptable without a hechsher, including white, brown, confectioners, pearl sugar, turbinado, piloncillo and panela.
Related questions:
- Does salt need a hechsher? No (Star-K, cRc).
- Does molasses need a hechsher? No, if from cane sugar and unflavored (Star-K, cRc).
- Does maple syrup need a hechsher? Yes (cRc).
References: Star-K, “Approved Without A Hechsher” list · cRc (askcrc.org), “Sugar”
