The present invention relates to a floating granule comprising a solid core, on which an active ingredient is supported and also comprising a compound which is capable of generating a gas discharge which is constituted by an alkaline agent, characterised in that it does not comprise an acid agent which is capable of generating a gas discharge.本發明關於一種浮動性顆粒,其包含有一活性成份承載在上面之固體核心及能產生氣體排出之由鹼性試劑所組成的化合物,其特徵為該浮動性顆粒不含能產生氣體排出之酸試劑。