Ayurveda pharmaceutics deals with the preparation of medicines using herbal, mineral, metallic, marine drugs, etc. It also deals with dietetic preparations. Pathya is an important aspect in the maintenance of health. Many dietetic preparations are mentioned in ayurveda pharmaceutics and few are fermentation products. There are preparations that are hydro alcoholic in nature termed as sandhana kalpas. These preparations have therapeutic effect as well as have nutritive value. These formulations and dietetic preparations have the effect of probiotics and prebiotics.