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The natural probiotic market offers many options. Few are backed by science. Bio-K+ produces natural probiotics through a real fermentation process — live bacteria that multiply inside every bottle, not blended from powders after the fact. The result is 50 billion live, active bacteria, guaranteed until the best before date, in every drinkable form.

Grounded in more than 30 years of research, Bio-K+'s formula is built on three exclusive, human-origin proprietary strains: Lacticaseibacillus casei LBC80R®, Lacticaseibacillus rhamnosus CLR2®, and Lactobacillus acidophilus CL1285®. These strains are found in no other product worldwide.

Backed by 16 published clinical trials and 45+ peer-reviewed publications, and with every batch produced in-house — from strain cultivation to finished bottle — Bio-K+ is the natural probiotic consumers can validate before they buy.

Frequently Asked Questions

What are natural probiotics?

Natural probiotics are live microorganisms produced through genuine fermentation — bacteria that are cultivated, grown, and guaranteed to remain active until the best before date. Bio-K+'s drinkable probiotics are fermented in-house, delivering live and active bacteria in every bottle. Bio-K+ drinkable probiotics contribute to intestinal flora health.

What is the best natural probiotic in Canada?

The best probiotic for those seeking natural, clinically validated live cultures needs three things: strains backed by clinical trials, potency guaranteed until the best-before date, and a transparent manufacturing process. Women seeking the best natural probiotic for daily gut health may consider Bio-K+'s fermented beverages or capsules, backed by a formula with 16 published clinical trials and more than 30 years of research.

What is the difference between natural and synthetic probiotics?

Natural probiotics come from live fermentation processes using real bacterial cultures. Synthetic probiotic blends are typically produced by freeze-drying powder strains and blending them post-manufacture. Bio-K+'s drinkable probiotics contain live bacteria that actively ferment inside the bottle from production to consumption.

How many CFU should a natural probiotic have?

Bio-K+ drinkable probiotics contain 50 billion live and active bacteria, guaranteed until the best before date, not at the time of manufacture. The Extra Elderberry drinkable contains 80 billion CFU. CFU count is only meaningful when potency is guaranteed to expiry, not just at the time of production.