Every PB8 label is printed in full on its product page: strains, CFU, serving and storage.

Classic probiotics

PB8 classic probiotics

The formulas PB8 is known for, in classic capsules.

3formulas
14–15BCFU per serving
$0.28lowest per day

Classic · 2 capsules a day

PB8 Original Probiotic

8 strains with inulin from chicory root

4.7 (4,267) 4.7 out of 5 from 4,267 ratings

Regular price$8.99 $0.30 a day

60 capsules +3 more sizes

Classic · plant capsule

PB8 Vegetarian Probiotic

The Original blend in a vegetarian capsule

4.7 (4,013) 4.7 out of 5 from 4,013 ratings

Regular price$11.62 $0.39 a day

60 capsules +3 more sizes

Classic · 1 capsule a day

PB8 Immune Support Probiotic

15 billion CFU and 10+ strains in one capsule

4.7 (320) 4.7 out of 5 from 320 ratings

Regular price$25.49 $0.42 a day

60 capsules

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

The 3 classic probiotics side by side

The PB8 formulas side by side
FormulaOriginal14BVegetarian14BImmune15B
CFU per serving at manufacture14 billion14 billion15 billion
Strains on the label8831 (sold as 10+)
Serving2 capsules2 capsules1 capsule
Servings per bottle606060
CapsuleCapsuleVegetarian capsuleCapsule (hypromellose)
PrebioticInulinInulinAcacia, oat hull fiber
PostbioticsNot listedNot listedNot listed
After openingBest refrigeratedBest refrigeratedNo line printed
ForAdultsAdultsAdults
Lowest price per day$0.28 a day$0.32 a day$0.42 a day
Buy

Two of the three are the same blend. The Original and the Vegetarian both carry eight strains, two of them Lactobacillus acidophilus, with 14 billion CFU in a serving of two capsules and inulin from chicory root. The only difference is the capsule: the Vegetarian one is plant cellulose and water. Both come in 60 and 120 capsules and in packs of two and three bottles.

The third is Immune Support, the yellow bottle: one capsule a day with 15 billion CFU and more than ten strains, made to help support the immune system as well as digestion.* Its bottle of 60 lasts two months.

Every bottle of the PB8 lineup prints its full label on its own page, and the comparison page holds all six side by side.

Questions

Questions about PB8 classic probiotics

What is the difference between your PB8 Original and Vegetarian?

Only the capsule. Both have the same eight strains, 14 billion CFU per two-capsule serving and inulin from chicory root. The Vegetarian capsule is made of plant cellulose and water.

How long does a PB8 Original bottle last you?

At the label serving of two capsules a day, a 60-capsule bottle is 30 days and a 120-capsule bottle is 60 days. The two- and three-bottle packs are 120 and 180 days.

Can you take PB8 Immune Support as one capsule?

Yes, its label serving is one capsule a day, with 15 billion CFU. A bottle of 60 lasts two months.