Liquid-based phamaceutical and/or veterinary and/or nutraceutical compositions comprising non pathogenic sporogenic bacteria, component SP), and the following components: O) from 0.001 to 95% by weight of one or more oils selected from esters of C 4 -C 32 acids, C 4 -C 32 , S) from 0 to 90% by weight of one or more amphiphilic compounds, selected from surfactants, polymers forming organized structures such as aggregates, micelles, liquid crystals, vesicles, in the liquid in which they are solubilized, AD) from 0 to 60% by weight of one or more additive compounds selected from modifiers of the water and/or oil polarity, modifiers of the film curvature of component S), co-surfactants, PA) from 0.001 to 70% of one or more compounds selected from food supplements and pharmaceutical and/or veterinary active principles, W) from 0.1 to 99.9% by weight of water or saline aqueous solution, optionally buffered, the sum of the percentages by weight of the components, excluding SP), is 100%.
