Made from fermented apples
Apple cider vinegar
1,000 mgWhat it is
Fermented apple juice, dried into a powder so it fits in a capsule.
Why it's here
A traditional kitchen staple, included as part of everyday digestive support.*
Gut
Gut Support
Apple cider vinegar, enzymes and a probiotic in one capsule.
- Promotes digestive health*
- Supports regular bowel movements*
- ACV, enzyme & probiotic blend*
1
How subscribing works
Full terms- Delivered every month. Free shipping over $75.
- Skip or change the date from your account.
- Cancel online anytime.
- Save 20% on every delivery.
- Full Supplement Facts panel
- Formulated on published research
- Skip or cancel anytime
- Free shipping over $75
Why Gut Support exists
Sound familiar?
Eating less can change how digestion feels.
My digestion feels different now.
You're not imagining it. It's the most common change people report.
74% reported digestive changes
N Engl J Med 2021 · Read
Vegetables are the first thing I skip.
Less fiber on your plate means less for your gut.
None met daily fiber targets
Nutrients 2025 · Read
Nobody told me what to eat with this.
You're not alone. Four medical societies now say nutrition belongs in GLP-1 care.
4 societies agree
Am J Clin Nutr 2025 · Read
Built by a family that's been through it. Read our story
Quotes describe common experiences. Studies aren't of DUO products. All research
Is this right for me?
Is Gut Support right for you?
An honest answer, so you can decide with confidence.
You'll probably like it if
- Your digestion feels different.You want simple daily support for your gut.
- Vegetables are the first to go.Smaller plates mean less fiber-rich food.
- You prefer one simple step.One daily capsule, not a cabinet of bottles.
Gut Support
from $36.80/mo · Digestion + gut health.*
Check with your provider first if
- You’re pregnant, nursing or planning to be.
- You take prescription medication, including for diabetes or blood pressure.
- You have a medical condition or an upcoming procedure.
Still not sure? Ask us a question
DUO products are dietary supplements, not medications.
What's inside
Four ingredients for everyday digestion.
What each one is, and why it's here. Every amount is listed on the label.
Per serving: 2 capsules ·
From Jerusalem artichoke root
Inulin (prebiotic fiber)
200 mgWhat it is
A plant fiber from Jerusalem artichoke root that your body doesn’t digest; your gut bacteria do.
Why it's here
Prebiotic fiber that feeds the beneficial bacteria in your gut.*
Digestive enzymes
DigeZyme® enzyme blend
100 mgWhat it is
A blend of digestive enzymes: proteins that help break food down into smaller parts.
Why it's here
Supports the normal digestion of carbohydrates, proteins and fats.*
Also found in yogurt and kefir
Lactobacillus acidophilus (probiotic)
10 mgWhat it is
A “friendly” bacteria naturally found in the gut and in fermented foods like yogurt.
Why it's here
Supports a healthy balance of gut bacteria.* 1 billion CFU at manufacture.
- ✓ Gluten-free
- ✓ Vegetarian
- ✓ Non-GMO
- ✓ Allergen-free
How to take it
Simple enough to keep doing.
Daily
From the label
As a dietary supplement, adults take two (2) capsules daily. For best results, take with 6-8 oz (177-236ml) of water or as directed by a healthcare professional.
Habit
Keep it consistent
Same time each day makes it easy to remember.
Meets the DUO Standard
If we can't explain why it's here, it doesn't belong here.
Our own internal standard. Not a third-party certification.
- 01Purposeful
- 02Evidence-led
- 03Transparent
- 04Tested
- 05Explainable
The Complete Routine · Best value
Four needs. One routine. Pay for three.
Daily Essential plus Gut, Hydration and Weight. The lowest-priced one is on us.
$125.60/ mo · $4.19 a day
Upgrade to the Complete Routine
Questions
Questions we'd ask if we were you.
As a dietary supplement, adults take two (2) capsules daily. For best results, take with 6-8 oz (177-236ml) of water or as directed by a healthcare professional.
No. Every DUO product is sold on its own. The Complete Routine is for people who want all four areas covered at the best price.
Talk to your healthcare provider or pharmacist before starting any supplement if you take medication. Bring the full Supplement Facts with you; you can find them above.
No. DUO is an independent dietary supplement brand. It is not affiliated with, endorsed by, or connected to any pharmaceutical company or prescription medication.
Ready when you are
Add Gut Support to your DUO.
Apple cider vinegar, enzymes and a probiotic in one capsule.
Full Supplement Facts · Free shipping over $75 · Skip or cancel anytime
Want all four? Get the Complete Routine and pay for three
* These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Talk with your healthcare provider before starting any supplement, especially if you take medication.