Weight loss effect. The efficacy and function of Oreo cupcakes The calcium and iron content of cream cupcakes, the efficacy and function of slimming, and the efficacy and function of Oreo cream cupcakes in supplementing calcium, vitamin A, vitamin B, iron and vitamin E, etc. Oreo was born in 19 12. It's chocolate biscuits mixed with various flavors of cream. It is Kraft's superstar, the king of biscuits, and is synonymous with chocolate-flavored sandwich biscuits all over the world.