Digestive Health Icon

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.*

  • 4 High Potency Probiotic Strains
  • 50 Billion Live Probiotic Cultures†
  • Prolonged Release Capsules
  • Gluten Free, Non-GMO & Vegetarian-Friendly

COUNT: 30

ITEM 28080

Where to Buy

Where to Buy

Supplement Facts Serving Size 1 Vegetarian Capsules
Amount Per Serving% Daily Value

Proprietary Blend
Containing 50 billion live cultures†
Lactobacillus acidophilus, Streptococcus thermophilus, Bifidobacterium bifidum, Lactobacillus salivarius

625 mg**

Other Ingredients: Inulin, Cellulose. Contains <2% of: Magnesium Silicate, Magnesium Stearate, Silicon Dioxide.

Contains milk.

Gluten Free. Non-GMO. Vegetarian Friendly.

No Artificial Colors, Artificial Flavors, Artificial Sweeteners, Wheat or Soy.

  • Digestive Health Icon
  • Gluten Free Icon

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.

Warning: Consult a healthcare provider prior to use if pregnant, nursing, on medications, have a medical condition or are planning a medical procedure. Stop use and contact a physician if adverse reactions occur.

Keep out of reach of children. Do not use if product appears to be tampered with or seal is broken. Refrigerate after opening.

Top view of a bowl filled with different types of superfoods.

10 Superfoods to Add to Your Diet in 2020

Read More
Two hands holding up a quarter slice of watermelon.

Foods That Will Keep You Hydrated

Read More
Bowls filled with delicious fruit, granola and yogurt.

Spring into Smarter Eating Habits

Read More

This information may differ from the product you purchased. Please refer to the supplement facts listed on the package label for information related to the purchased product.

Similar Products You May Also Like

We're Committed to Your Wellness

With over 30 years of research and innovation, we meticulously formulate wellness products using premium grade ingredients strictly sourced through our vendor certification program.  All of our products undergo rigorous testing to ensure you are receiving the purity, potency and guaranteed quality labeled on each product.

Learn More

Have a question or can't find what you are looking for?

21ST Century Healthcare respects your privacy. The information you provide below is only used to respond to your inquiries unless you inform us otherwise. To learn more about how we handle personal information, visit our Privacy Policy.

If you have a question about our product or are looking for something that you just can't find, please send us a note below.

Please enter your name.
Please enter a valid email address.
Please enter your question.
Please agree to our Terms of Use and Privacy Policy.