<prompt> Translate the following text to SwahiliFor his experiments, he used exclusively this yogurt, it didnt provoke any unexpected gastric sensations like the natural ones, without those stabilizing E-numbers E298, E301, E980.  <response>: Kwa majaribio yake, alitumia tu yoghurt hii, haikusababisha hisia za tumbo zisizotarajiwa kama zile za asili, bila zile zinazodumisha nambari za E E298, E301, E980. 