Probiotic for men sales will rise through 2036, driven by Lactobacillus at 33.4% of the strain type segment in 2026. Gummies dominate the product form segment with a 29.6% share and e-commerce leads distribution with 35.1% share. The market is projected to reach USD 2.7 billion in 2026 and USD 5.61 billion by 2036.