Delivery
Actually makes it past your stomach.
Most probiotic capsules are corpses by the time they reach the gut. Delayed-release shells get the live cultures where they're supposed to do their work.
Probiotic 40 Billion with Prebiotics
Backed by our 30-day money-back guarantee
You finished antibiotics
two weeks ago.
Your gut still hasn't.
60 vegetable capsules · 40 billion CFU · 4 strains + prebiotic · 30-day supply
Bottle, label, capsule, and packaging appearance may vary slightly from images shown.
Probiotic 40 Billion with Prebiotics
Backed by our 30-day money-back guarantee
You finished antibiotics
two weeks ago.
Your gut still hasn't.
60 vegetable capsules · 40 billion CFU · 4 strains + prebiotic · 30-day supply
Maybe it was antibiotics. Maybe it was a holiday where the food disagreed with you. Maybe it's just that the bloat after meals has been sticking around longer than it used to. Two capsules a day, 40 billion live cultures, four clinically-recognised strains, a marine polysaccharide complex, and a prebiotic to feed them — delivered via MAKTREK® Bi-Pass Technology, a patented marine-polysaccharide system designed to protect cultures through stomach acid. Most probiotics never actually arrive.
“Bloating I'd lived with for years just quietly went away.”
Pre-launch tester feedback. Individual results vary.
Maybe it was antibiotics. Maybe it was a holiday where the food disagreed with you. Maybe it's just that the bloat after meals has been sticking around longer than it used to. Two capsules a day, 40 billion live cultures, four clinically-recognised strains, a marine polysaccharide complex, and a prebiotic to feed them — delivered via MAKTREK® Bi-Pass Technology, a patented marine-polysaccharide system designed to protect cultures through stomach acid. Most probiotics never actually arrive.
“Bloating I'd lived with for years just quietly went away.”
Pre-launch tester feedback. Individual results vary.
- 40 billion CFU — MAKTREK® Bi-Pass Technology for acid-resistant delivery
- 4 clinically-recognised strains: L. Acidophilus, B. Lactis, L. Plantarum, L. Paracasei
- Marine polysaccharide complex + FOS prebiotic to nourish the culture
- Bottled in the USA · GMP-certified · 30-day money-back guarantee
Be one of our first customers.
Try it risk-free — covered by our 30-day money-back guarantee, no return needed. Single-origin actives, bottled in the USA in a GMP-certified facility.
You’re saving $159.96 today
Free US Shipping · 30-day money-back guarantee
Small batch — bottled this month, shipped while fresh
Free US Shipping · Ships from US warehouse · US orders only
USDA Organic
Ashwagandha root
GMP-Certified
USA facility
Vegan
Pullulan caps
Single-Origin
Traceable root
30-Day Guarantee
Risk-free
The formula
Six things to know about what's in the bottle.
- Organic ashwagandha root, 650mg
- Black pepper for absorption
- Vegan pullulan capsule
- Standardised for potency
- No fillers or flow agents
- Bottled in the USA, GMP-certified
A quieter system
Three ways the shift shows up.
Comfort
Bloat that quietly stops happening.
The post-meal heaviness, the irregular week, the rumble at the worst moment — the four strains in here are the families gut-health research keeps coming back to.
Immune
Fewer of the colds your kid brought home.
Around 70% of your immune system sits in your gut. The healthier the floor down there, the less every winter cough turns into your weekend off.
Complete your stack
Pairs well with Probiotic 40 Billion with Prebiotics
A few SKUs people who buy this one tend to grab alongside it. Verified stacks — no upsell tricks.
gut
Gut Health
30-day guarantee
$39.99USD
foundation
Complete Multivitamin
30-day guarantee
$39.99USD
foundation · immune
Fruits and Veggies
30-day guarantee
$39.99USD
What's inside
The label is the whole story.
Every ingredient, the form we use, the dose per serving, the mechanism that makes it relevant, and the peer-reviewed study that backs it.
Proprietary blend
Proprietary Blend of Probiotic Bacteria — MAKTREK® Bi-Pass Technology
Form: 800 mg (40 Billion CFU) per 2-capsule serving
The full 800 mg probiotic blend is delivered via MAKTREK® Bi-Pass Technology — a patented marine-polysaccharide matrix that forms a protective layer around each culture, helping them survive transit through stomach acid and reach the intestine intact. Most unprotected probiotic capsules experience significant die-off before arriving.
Health Benefits of Probiotics: A Review · ISRN Nutrition, 2013Proprietary blend
Lactobacillus Acidophilus (La-14)
Form: part of 800 mg / 40B CFU proprietary blend
One of the most-studied Lactobacillus strains in clinical research. La-14 is found naturally in the human small intestine and in fermented foods. Research links acidophilus supplementation to supporting digestive comfort and the gut's natural mucosal barrier.
Health Benefits of Probiotics: A Review · ISRN Nutrition, 2013Proprietary blend
Bifidobacterium Lactis (Bl-04)
Form: part of 800 mg / 40B CFU proprietary blend
A bifidobacterium strain particularly well-studied for digestive regularity and immune response in healthy adults. Native to the large intestine, Bl-04 is linked to improved intestinal transit time and immune modulation in randomised trials.
Effect of Bifidobacterium animalis subsp. lactis HN019 on intestinal transit time · Beneficial Microbes, 2011Proprietary blend
Lactobacillus Plantarum (Lp-115)
Form: part of 800 mg / 40B CFU proprietary blend
A resilient Lactobacillus strain known for tolerating a wide pH range and colonising throughout the gastrointestinal tract. L. Plantarum is associated with maintaining gut barrier integrity and supporting balanced gut flora diversity.
Proprietary blend
Lactobacillus Paracasei (Lpc-37)
Form: part of 800 mg / 40B CFU proprietary blend
A Lactobacillus strain with research linking it to immune function and gut microbiota balance. Lpc-37 complements the other strains in the blend by broadening genus diversity across the lower digestive tract.
60 mg per serving
Complex Marine Polysaccharide
Form: 60 mg per 2-capsule serving
The marine polysaccharide complex is the carrier matrix behind the MAKTREK® Bi-Pass system. It forms a protective gel layer around probiotic cultures, shielding them from gastric acid during passage through the stomach before releasing them in the intestinal environment.
24 mg per serving
Fructooligosaccharide (FOS) Prebiotic
Form: 24 mg per 2-capsule serving
A short-chain prebiotic fiber that selectively nourishes Bifidobacterium and Lactobacillus strains already present in the gut. FOS acts as food for the probiotic cultures, supporting their establishment and persistence in the microbiome.
Prebiotics: Definition, Types, Sources, Mechanisms, and Clinical Applications · Foods, 2019These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
What the research says
Reviewed. Trialled. Documented.
Peer-reviewed human trials on the active ingredients that anchor what people feel.
Beneficial Microbes · 2011
Effect of Bifidobacterium animalis subsp. lactis HN019 on intestinal transit time
B. lactis HN019 supplementation improved intestinal transit time and digestive-comfort scores over 12 weeks vs placebo.
Read the studyISRN Nutrition · 2013
Health Benefits of Probiotics: A Review
Comprehensive review of Lactobacillus and Bifidobacterium strains across digestive and immune endpoints.
Read the studyFoods · 2019
Prebiotics: Definition, Types, Sources, Mechanisms, and Clinical Applications
Review of FOS and other prebiotic fibers across mechanism and clinical research.
Read the studyCited studies were conducted on the active ingredients in this product. Individual responses vary. These statements have not been evaluated by the Food and Drug Administration.
Try without risk
30 days. Bottle empty or full. Your call.
Try this for a full month. If it isn't what you were looking for — even with an empty bottle — write us within 30 days of delivery and we'll refund the order. No return required. Email us — we'll process the refund, the bottles stay with you. No restocking fee, no return shipping, no “are you sure?” forms.
Reach contact@withanly.com — average refund response under twelve hours.
Real reviews only
Be one of the first to review this
Real reviews only
Real verified-buyer reviews coming as orders land.
Be one of the first to leave a review after you try it — and lock in 15% off every future order, forever with code REVIEWER15.
Submit your review →Close form ↑
Honest answers
Questions you actually asked
Why 40 billion CFU?
The research on digestive-comfort endpoints clusters around 10–50 billion CFU. We chose 40 billion as a defensible mid-range — meaningful colonisation potential, without the unnecessary cost-loading of 100B+ formulas that lack additional research backing.
What strains are in this and why those four?
The formula contains four strains — Lactobacillus Acidophilus (La-14), Bifidobacterium Lactis (Bl-04), Lactobacillus Plantarum (Lp-115), and Lactobacillus Paracasei (Lpc-37). Each brings a different research profile: L. Acidophilus for digestive comfort and barrier support; B. Lactis for regularity; L. Plantarum for resilience and diversity; L. Paracasei for immune function. Together they cover the genus diversity the research points to.
What is MAKTREK® Bi-Pass Technology?
MAKTREK® is a patented marine polysaccharide delivery system that forms a protective gel layer around the probiotic cultures. It's designed to shield them from stomach acid during transit, so they arrive alive in the intestine where they can actually do their job. Most bare probiotic capsules lose a significant portion of their cultures before reaching the gut.
Does it need refrigeration?
No. The MAKTREK® marine polysaccharide delivery system and strain selection are stable at room temperature. Store in a cool, dry place. Refrigeration is fine and extends shelf life but is not required.
How quickly will I notice anything?
Most people describe a digestive baseline shift in 7–14 days. The deeper microbiome rebalancing builds over 8–12 weeks of consistent use.
Should I split the two capsules or take them together?
The label recommends one capsule during the day and one in the evening for best results. Splitting the dose can help with the initial adjustment period if you experience any mild gas in the first week.
Will I get bloating when I start?
Some people notice mild gas the first 3–5 days as the microbiome adjusts. This typically resolves on its own. If it persists past a week, try splitting the two capsules across morning and evening as directed on the label.
Can I take it with antibiotics?
Take the probiotic 2–3 hours after the antibiotic dose. Many physicians recommend probiotic use during and after a course of antibiotics — talk to yours for specific guidance.
Is it safe during pregnancy or breastfeeding?
Most probiotics are considered safe during pregnancy and breastfeeding, but talk to your physician before starting any new supplement during this period.
What if it doesn't work for me?
Email contact@withanly.com within 30 days of delivery and we'll refund the full amount — you don't need to send the bottles back.
How fast does it ship?
From our US warehouse, USPS Ground typically arrives in 2–4 business days within the contiguous US.