Ultimate Probiotic

21st Century Ultimate Probiotic Prolonged Release formula is a potent probiotic blend delivering 50 billion live cultures† in a specialized prolonged release system that supports beneficial bacteria throughout your digestive tract. Unlike ordinary probiotics that release all at once, our probiotic ensures prolonged delivery of friendly bacteria for maximum effectiveness.

Support Your Digestive Balance*

• 24-Hour Digestive Comfort - Support optimal gut balance and digestive health.*
• Enhanced Regularity - Helps maintain healthy bowel function and regularity*
• Prolonged Release Capsule - Ensures beneficial bacteria reach your digestive system, not just your stomach*
• Immune System Support - 70% of your immune system resides in your gut. Our formula helps support your body's natural defenses*

Probiotic Proprietary Blend to Support Your Gut Health From Within*

• 50 Billion Live Cultures† - Powerful concentration of beneficial probiotics.
• Lactobacillus acidophilus - Supports health digestive function and nutrient absorption.*
• Streptococcus thermophilus - Supports digestive comfort.*
• Lactobacillus rhamnosus - Promotes intestinal function and immune health.*

Your Body Will Thank You

Our carefully selected probiotic strains work synergistically to support a balanced intestinal microbiome essential for digestive wellness.*

For over 30 years, 21st Century Vitamins has provided trusted vitamins and supplements by upholding the highest standards of quality in every product we offer. From sourcing the finest ingredients to rigorous testing and production processes, we ensure that every product meets our stringent quality benchmarks. We are here to support your wellness every step of the way.

†50 Billion active cultures per serving guaranteed at time of manufacture.

Directions: As a dietary supplement, adults take one (1) capsule daily with any meal or as directed by a healthcare provider. Do not exceed recommended dosage. Individual results may vary.