But still you can use Microparticles and Microspheres for Probiotic delivery purposes. Selecting the delivery system actually depends on your research goal. If you intend to protect your orally administered Probiotics from gastric acid which can both protect the payload from stomach acid and release it gradually in intestine, I would suggest using PEGylated Polymersomes such as PLGA-PEG polymersomes. However, their preparation methods are not easy to set up and master...