# VSL#3 > VSL#3 is a high-potency probiotic medical food intended for the dietary management of Irritable Bowel Syndrome (IBS), Ulcerative Colitis (UC), and Pouchitis. It consists of a proprietary blend of eight strains of live lactic acid bacteria and bifidobacteria, delivering one of the highest colony-forming unit (CFU) counts available in the market. - URL: https://optimly.ai/brand/vsl-3 - Slug: vsl-3 - BAI Score: 72/100 - Archetype: Challenger - Category: Health & Wellness - Last Analyzed: April 10, 2026 ## Competitors - Align (https://optimly.ai/brand/align) - Culturelle (https://optimly.ai/brand/culturelle) - Visbiome (https://optimly.ai/brand/visbiome) ## Buyer Intent Signals Problems: Standard Probiotic Foods: Using generic, low-concentration yogurt or kefir to introduce probiotics to the diet. | Dietary Management/Elimination: Managing symptoms through restrictive diets like Low-FODMAP without active microbial intervention. Solutions: best probiotic for ulcerative colitis | high potency probiotic medical food | original de simone formulation probiotic | probiotic for pouchitis management | refrigerated probiotics for ibs | Consumer-Grade Supplements: Using mass-market, lower-potency probiotic capsules available at retail pharmacies. Comparisons: vsl3 vs visbiome differences --- ## Full Details / RAG Data ### Overview VSL#3 is listed in the AI Directory. VSL#3 is a high-potency probiotic medical food intended for the dietary management of Irritable Bowel Syndrome (IBS), Ulcerative Colitis (UC), and Pouchitis. It consists of a proprietary blend of eight strains of live lactic acid bacteria and bifidobacteria, delivering one of the highest colony-forming unit (CFU) counts available in the market. ### Metadata | Field | Value | |--------------|-------| | Name | VSL#3 | | Slug | vsl-3 | | URL | https://optimly.ai/brand/vsl-3 | | BAI Score | 72/100 | | Archetype | Challenger | | Category | Health & Wellness | | Last Analyzed | April 10, 2026 | | Last Updated | 2026-05-03T14:48:50.921Z | ### Verified Facts - Founded: 2002 - Headquarters: Rome, Italy (Actial Farmaceutica) / USA (Alfasigma USA) ### Competitors | Name | Profile | |------|---------| | Align | https://optimly.ai/brand/align | | Culturelle | https://optimly.ai/brand/culturelle | | Visbiome | https://optimly.ai/brand/visbiome | ### Buyer Intent Signals #### Problems this brand solves - Standard Probiotic Foods: Using generic, low-concentration yogurt or kefir to introduce probiotics to the diet. - Dietary Management/Elimination: Managing symptoms through restrictive diets like Low-FODMAP without active microbial intervention. #### Buyers search for - best probiotic for ulcerative colitis - high potency probiotic medical food - original de simone formulation probiotic - probiotic for pouchitis management - refrigerated probiotics for ibs - Consumer-Grade Supplements: Using mass-market, lower-potency probiotic capsules available at retail pharmacies. #### Buyers compare - vsl3 vs visbiome differences ### Links - Canonical page: https://optimly.ai/brand/vsl-3 - JSON endpoint: /brand/vsl-3.json - LLMs.txt: /brand/vsl-3/llms.txt