Smile Guard

Improve Your Oral Health and Protect Your Smile

Oral health lozenge • Doctor-formulated • Scientifically-tested • Can help with bad breath, plaque, sore gums, and more
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Liquid Probiotics for Newborns & Infants

Support Little Tummies

Supporting general gut health and development for infants and children of all ages.
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Probonix for Women

Women on the Move

12 of the most effective probiotic strains for gut health, digestion, and vaginal health
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Did You Know?

Probonix is the ONLY probiotic scientifically tested and proven to deliver live bacterial cultures?

Popular Products

Explore Our Bundles

  • Family Bundle

    The perfect bundle for everyone in your family!

    Bundle includes ONE Adult Probonix, ONE Women Probonix, and TWO Toddler/Children Probonix.

    Shop Now!

  • Him/Her

    The perfect pair!

    Our adult liquid probiotic uses an exclusive formula of 12 of the most effective probiotic strains for general gut health.

    Our women liquid probiotic uses an exclusive formula containing 12 of the most effective probiotic strains to help with gut health, yeast infections, and urinary tract infections.

    Save 10%

  • New Mom

    Our women liquid probiotic uses an exclusive formula containing 12 of the most effective probiotic strains to help with gut health, yeast infections, and urinary tract infections.

    Our infant liquid probiotic uses an exclusive formula containing 8 of the most effective probiotic strains for supporting general gut health and development for infants and children of all ages.

    Save 10%

  • Probonix + Repair

    Adult Probonix and Repair - a powerful combination to repair leaky gut and promote a healthy probiotic balance in your body.

    Save 10%

Doctor Formulated, Scientifically Tested

Ryan Bentley, MD, PhD, DC
Co-Founder and Medical Director of Humarian

Dr. Ryan Bentley is a physician, researcher, author, educator and national speaker. He has a passion for health and helping people live their best possible lives. Dr. Bentley and the doctors at Humarian uniquely formulated the Probonix line of probiotics to address the needs of their patients and those suffering from a variety of health conditions.

Probonix is the ONLY scientifically tested probiotic proven to deliver live probiotic into the intestinal tract.

We found that Probonix delivered more live cultures to the small intestine with a survival rate 10-12 times higher than leading competitors.

Read about our Science

Questions We Hear the Most

Customer Reviews

Based on 176 reviews
87%
(153)
13%
(23)
0%
(0)
0%
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C
Charles Harrison
Soothing to the gut

I really like this probiotic. It makes a big difference the way I feel. My head is clear and my eyes don’t bother me as much. I have only been taken steady for about two weeks. My wife started taking it a couple days ago. I like the science behind it. Stand out different from the rest.

R
Rob Root
My view

This is the best probiotic I've used to help elimination!

M
Mary Meyer
Best Product

This is the only probiotic after trying so many others that finally work

T
Tonya Nichols
The Best Probiotic

This is my go-to probiotic for our family! It have seen it help in various ways. It has helped settle a constant burning sensation in my stomach that wouldn’t allow me to eat anything— even when the doctor didn’t know what it was. I have had friends report their children able to use the bathroom better and others who could tolerate gluten and dairy after using the drops. It truly does work!

L
Lisa Ehrhart
Great Product

This probiotic works!

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Probonix - Liquid Probiotic for Adults - No Refrigeration Required
Probonix for Women - Liquid Probiotic for Women
Probonix for Cats - Liquid Probiotic for Cats

Guarantees

  • WE CARE ABOUT YOU

    Only uniquely formulated, scientifically tested probiotic, Probonix, delivers more cultures to the small intestine with a survival rate 10-12 times higher than leading competitors.

    LEARN MORE

  • 100% MONEY-BACK GUARANTEE

    Get a full refund up to 30 days after purchase if you're not happy with the product.

  • FREE SHIPPING

    Free Standard Shipping on all US orders.