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Probiotic 40 Billion with Prebiotics by BioCore Labs: 4 probiotic strains, 60 capsules
Probiotic 40 Billion with Prebiotics by BioCore Labs
Built to survive stomach acid with MAKTREK Bi-Pass
Is it right for you? Bloating, sluggish gut, after 50
More complete than a probiotic alone
30-day satisfaction guarantee
Why choose BioCore: 4 label-backed reasons
Supplement Facts for Probiotic 40 Billion
★★★★★ 4.8 · 7,500+ verified reviews

Your gut stopped working the way it used to.
Here's how you take it back.

If you're not going like you should, feel heavy by afternoon, and catch every bug going around — your gut flora is running on empty. Antibiotics, stress and age wiped out the good bacteria your body runs on. This is where you rebuild.*

🚽 Go regularly
🔋 Kill the 3pm crash
🛡️ Fewer sick days
🌿 Rebuild your gut
Choose your pack
Buy now $79.99
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Start your gut routine with confidence. Join thousands of customers already noticing the difference.
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★★★★★ 4.8/5 based on 7,500+ reviews

Customer Reviews

What people who have tried it are saying

Sarah Mitchell with Probiotic 40 Billion
Sarah Mitchell, 47✔ Verified Purchase
★★★★★

After years of antibiotics, my system felt depleted. Biocore helped me rebuild my gut from the inside out. I finally feel balanced again, and my skin even looks clearer. It's the essential restoration I needed to feel like myself again at 47.

Linda Peterson with Probiotic 40 Billion
Linda Peterson, 65✔ Verified Purchase
★★★★★

I used to dread mornings because of my slow system. Now, I finally go regularly without any struggle. At 65, staying consistent is everything, and these probiotics have made it effortless. No more heavy, backed-up feeling! A total life-changer.

Richard Stevens with Probiotic 40 Billion
Richard Stevens, 72✔ Verified Purchase
★★★★★

I used to hit a massive wall every afternoon. Killing that 3pm crash was my main goal, and Biocore delivered. My energy is steady all day long now. At 72, I didn't think I'd feel this vibrant again. No more caffeine jitters, just natural energy.

Martha Higgins with Probiotic 40 Billion
Martha Higgins, 72✔ Verified Purchase
★★★★★

Living in my community, I used to catch everything going around. Since starting these, I've had fewer sick days and feel much more resilient. My immune system finally has the support it needs to keep me active and healthy at 72. Truly grateful!

Barbara Collins with Probiotic 40 Billion
Barbara Collins, 67✔ Verified Purchase
★★★★★

The constant bloating after dinner was making me miserable. I'm 67 and wanted to enjoy meals again. These capsules eased my digestive discomfort within a couple weeks. I feel so much lighter and no longer have to loosen my belt after eating. Excellent!

James Miller with Probiotic 40 Billion
James Miller, 45✔ Verified Purchase
★★★★★

I'm 45 and work a high-stress job that wrecked my stomach. Biocore calmed my frequent digestive issues. I no longer deal with that 'knot' in my gut or the constant gas. It's a reliable part of my daily health routine now.

Mary Sullivan with Probiotic 40 Billion
Mary Sullivan, 63✔ Verified Purchase
★★★★★

My digestion has been a source of stress for a decade. Since I turned 63, it only got worse — until Biocore. It eased my sensitivity to certain foods and calmed my system. I can finally eat out with friends without worrying about my stomach.

Robert Anderson with Probiotic 40 Billion
Robert Anderson, 54✔ Verified Purchase
★★★★★

Dealing with an unpredictable gut at 54 was frustrating. This probiotic smoothed everything out. My digestion is finally predictable and comfortable. It's a solid product that actually does what the label says. Very satisfied with the results!

Why it matters

Your gut runs more than your digestion.

The bacteria in your gut don't just break down food. They help keep you regular, help your body pull energy from what you eat, and roughly 70% of your immune system lives down there.*

Antibiotics and stress wipe them out

A round of antibiotics, chronic stress, and processed food strip away the good bacteria your body depends on.*

Age depletes them too

The older you get, the fewer good bacteria you hold onto. That's why your gut isn't what it was at 40.*

And you feel it everywhere

When they're gone: irregular digestion, that constant heavy feeling, energy that never shows up, and getting sick more than you used to.

Rebuilding them is the whole point.

40 billion CFU, four strains, fed by prebiotics, delivered past stomach acid — daily.*

Probiotic delivery matters

Most probiotics die before they reach your gut. Yours won't.

You can swallow 40 billion bacteria and have almost none survive — stomach acid destroys them on the way down. That's why a big CFU number means nothing without a way to get them there alive.*

MAKTREK® Bi-Pass Technology

A marine polysaccharide shield carries the bacteria through stomach acid so they arrive where they actually work — your intestines.*

40 billion CFU, 4 strains

A substantial daily dose from four clinically studied strains — not a token amount that starves before it counts.*

Fed by prebiotics

Prebiotic fiber feeds the good bacteria once they arrive, so they take hold and stay — instead of passing through.*

Daily gut support

A complete synbiotic — probiotics plus prebiotics — in one capsule, built for consistent daily use.*

Is it right for you?

This is for you if...

40 billion CFU + 4 probiotic strains + prebiotics in one daily serving. If any of these sound like you, your gut flora needs rebuilding.*

01

You can't go

Days pass, no relief

Days go by and your gut just won't cooperate. You feel backed-up and stuck.

02

You feel heavy & slow

Sluggish, all day

That heavy, sluggish feeling follows you around no matter what you eat.

03

You're always exhausted

Even after sleep

Your energy crashes even when you sleep enough — that afternoon wall hits hard.

04

You catch every bug

And can't shake it

You catch every cold going around and it takes forever to recover.

And since 50, your gut just isn't what it used to be.

Comparison

More complete than a probiotic alone

Cheap probiotics give you bacteria and stop there. Without prebiotic fiber to feed them, the good bacteria you just paid for starve. BioCore feeds them — so they take hold and stay.

BioCore Synbiotic Probiotic only Prebiotic only
Probiotics + prebiotics together
40 billion CFUVaries
4 probiotic strainsVaries
MAKTREK® Bi-Pass (survives stomach acid)Varies
Gluten · Lactose · Allergen · Corn freeVariesVaries
How to Use

It's that simple

1

Two capsules a day

Take it as a dietary supplement, with a glass of water.

2

One day, one evening

For best results, take one capsule during the day and one in the evening.

3

Stay consistent

Each bottle has 60 capsules: a full month of daily gut support.

Caution: Do not exceed the recommended dose. Pregnant or nursing mothers, children under 18, and individuals with a known medical condition should consult a physician before using this or any dietary supplement. Keep out of reach of children. Do not use if the safety seal is damaged or missing. Store in a cool, dry place.
FAQ

Questions?

What if I don't feel a difference?

We want you to try it with confidence. If you don't notice a difference after using it consistently, write to us within the first 30 days and we'll gladly help you with your case under our satisfaction policy.

When will I start to notice a difference?

Gut flora support is gradual. Many customers report feeling better over the first weeks of consistent daily use as the good bacteria take hold. Individual results may vary.*

Why does "survives stomach acid" matter?

Stomach acid destroys a large share of probiotic bacteria before they reach the gut. Our MAKTREK® Bi-Pass Technology shields the bacteria through the acid so they arrive in your intestines alive, where they actually work. A CFU number means little without a delivery system behind it.*

What's the difference between this and your Digestive Enzyme?

They do opposite jobs. The enzyme helps break down the meal in front of you — proteins, fats, dairy, carbs. The probiotic rebuilds the good bacteria that keep your whole system running between meals. Many customers use both together.

How long does shipping take?

We process your order in 1–2 business days, and shipping within the United States usually takes 3 to 5 business days. You'll receive a tracking number so you can follow your package. Shipping is FREE.

Can I take it with medications or other supplements?

Our formula is a dietary supplement. Still, if you take medications, have a medical condition, or are pregnant or nursing, we recommend consulting your doctor before using this or any supplement. Your peace of mind comes first.

Does it contain allergens?

It's gluten free, lactose free, corn free, and free of the most common allergens. The capsule is hypromellose (plant-based).

How long does a bottle last?

Each bottle contains 60 capsules. Taking two capsules a day, it lasts 30 days.