Reviewed Brands Top Five: BlueBiotics: Ultimate Care Florastor Probiotics Align Probiotic Ultimate Flora Critical Care TruBiotics Other Reviewed Brands: Bio-K Plus Probiotic Supplement Capsules Culturelle Digestive Health Probiotic Chewables Doctor’s Best Best Probiotic GNC Probiotic Solutions – Adults 50 plus Klaire Labs Vital 10 Member’s Mark Probiotic Plus Prebiotic Nature’s Bounty Probiotic Acidophilus Tablets Nature’s Way Primadophilus Optima Nucific Bio-X4 Probiotic Pearls Max Potency RAW Probiotics for Women Spring Valley Extra Strength Probiotic Schiff Digestive Advantage Daily Probiotic