Since 1947True PotencyProbiotic SupportGluten, Wheat & Dairy FreeSuitable for VegetariansShelf Stable - Once DailyDietary SupplementUnderstanding probiotics can make a real difference in "how you think" about them. Today's advances focus less on the quantity and number of different strains and more on identified strains that deliver clinically supported results, true potency even at expiration, and strains robust enough to survive even harsh stomach acid. That's the difference you'll find with Probi® 20 from Solgar. It delivers all this...and much more.