The probiotic dietary supplement market is being analyzed in terms of its size and share through 2034. Related markets, including those for probiotic gummies, psychobiotic ingredients, postbiotic supplements, probiotics in food and cosmetics, gut health supplements, and the human microbiome, are also being examined for their size, share, and growth prospects. The market is expected to experience significant growth, with one estimate suggesting a compound annual growth rate of 13.1 percent.