The invention relates to a powder for preparation of a probiotic yogurt food. The powder contains probiotic cultures with a prespecified proportion of living probiotic lactic-acid bacteria and a thermogenetic-lipolytic resorption-enhancing agent, in particular pepper extract, to intensify the resorptive processes in the intestine, as well as a capillary-dilating agent, in particular nicotinic acid, to achieve dilation of the capillaries in the intestinal tract.