Know what is inside.
A species name is a start. The specific strain and formula matter, too. Explore the culture names, ingredients and label behind your choice.
Read a label with confidence ↗
The art of living cultures
Life.
Life.
Well cultured.
Thoughtfully made probiotics for your daily routine, and the people you care for.
Made by Natren.
Since 1982.
Since 1982.
Made by us.Our own California facility Known by strain.Explore the cultures inside Carefully kept.Why we refrigerate
A family of culturesFind the Natren
Find the Natren
that fits your life.
Different formulas. Familiar care.
Start with who you’re choosing for.
01 / Everyday
Daily probiotics
Healthy Trinity. Three named strains in one oil-based capsule.
Our signature formulaExplore daily care02 / Individual cultures
Individual cultures
Megadophilus, Bifido Factor and Digesta-Lac. Capsules and powders.
Choose your formula and formatExplore individual cultures03 / Family
Family care
Life Start and more, with ingredients and age guidance close at hand.
For different stages of lifeExplore family care04 / Pets
Petbiotics
Probiotic gels for dogs and cats, plus a powder option for pets.
For the pets you loveExplore pet careProTren by Natren
Discover ProTren A professional focus.
Formulations, labels and resources for practitioners and their patients.
Need a starting point?
Find your routineA living product. Thoughtfully kept.
Healthy Trinity / Keep refrigerated. Do not freeze.
Refrigerated care, from us to youLiving cultures.
Living cultures.
Care that continues.
How a probiotic is kept matters. Refrigerated storage and thermal packaging are part of how we care for Natren’s live cultures, all the way to your daily routine.
- 01Kept refrigerated
At Natren, before your order leaves.
- 02Thermally packed
Prepared for the journey to your door.
- 03Back to the fridge
On arrival, following your bottle’s directions.
Our flagship / Healthy Trinity®Precision, from
Precision, from
the inside out.
Three named cultures, one oil-based capsule. Take a closer look at the formula that brings the Natren approach together.
3 identified strains · 35 billion CFU per capsuleExplore the science & research ↗
Make it your daily culture
Healthy Trinity®
Current product prices load with the catalog.
Review shipping and taxes at checkout.
A little room for yourselfYour day.
Your day.
Your daily culture.
Compare subscription options for your Natren products.
Compare subscription options ↗Review the price and delivery schedule before choosing.
For the pets who make life better.NATREN PETBIOTICS / PART OF THE FAMILYCare for every
Care for every
member of your family.
Pets bring so much to our lives. Explore Natren’s probiotic gels for dogs and cats, or find a powder option for their care.
Discover Natren PetbioticsKnow who makes it.
We make our human probiotics in our own California facility. Cultivation, formulation and bottling stay close to the people responsible for the finished product.
Inside our facility ↗Know how to care for it.
Living cultures need care suited to their formula. From thermal packaging to the directions on your bottle, we make those details part of your routine.
Why we refrigerate ↗
From the Natren production archive.
Made by Natren / Westlake Village, California
Our cultures.
Our own facility.
We make our human probiotics in our own California facility, with hands-on oversight from cultivation through production.
See how we make themPROFESSIONAL PERSPECTIVESA shared belief
A shared belief
in care.
A nutrition researcher and a physician reflect on Natren and the people behind it. In their own words.
A LETTER ABOUT NATREN
“I am writing this letter to express my support, longstanding appreciation, and optimism for Natren probiotics”
A LETTER ABOUT NATREN
“Working with Natasha and her team has been delightful”
A fresh perspective.
An enduring commitment.
A clearer way to find your familiar products, understand the cultures inside, and care for your daily routine. Our online home is new. The Natren you recognize is right here.
Discover what’s new ↗04 / A belief we carry forward1982EST.
My purpose
in life is
to educate.
in life is
to educate.
Natasha Trenev
Co-founder of Natren · Author & probiotic educator
Natasha built her life’s work around living cultures and helping people understand them. That purpose carries forward in the way we explain our formulas, share our labels and make room for your questions.
Meet our founder ↗05 / The Culture JournalCuriosity.
Explore the journal ↗Curiosity.
Well nourished.
The essentials
What makes a strain a strain?
A clearer way to read a probiotic label.
In preparationProduct care
A living product. A little care.
Storage, delivery, and the questions worth asking.
In preparation
Everyday culture
Make room for a small daily ritual.
Consistency without complexity.
In preparation