Protease
In blendWhat it is
An enzyme that helps break down protein.
Why it's here
Supports the normal digestion of protein-rich foods.*
Gut
A six-enzyme blend, taken before meals.
How subscribing works
Full termsWhy Digestive Support exists
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.
N Engl J Med 2021 · Read
Vegetables are the first thing I skip.
Less fiber on your plate means less for your gut.
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.
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
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An honest answer, so you can decide with confidence.
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Digestive Support
from $36.80/2 mo · Everyday digestive enzyme support.*
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DUO products are dietary supplements, not medications.
What's inside
What each one is, and why it's here. Individual amounts inside the blend aren't listed on the label.
Six digestive enzymes that each break down a different part of a meal (2,500 HUT).
400 mg
What it is
An enzyme that helps break down protein.
Why it's here
Supports the normal digestion of protein-rich foods.*

From pineapple
What it is
An enzyme that comes from pineapple stems.
Why it's here
Helps break down protein.*

From papaya
What it is
An enzyme that comes from papaya.
Why it's here
Helps break down protein.*
What it is
An enzyme that helps break down fats.
Why it's here
Supports the normal digestion of fats.*
Breaks down milk sugar
What it is
An enzyme that breaks down lactose, the natural sugar in milk.
Why it's here
Supports the digestion of dairy.*
Beans & veggies
What it is
An enzyme that breaks down certain carbs found in beans and some vegetables.
Why it's here
Supports the digestion of beans and cruciferous vegetables.*
Good to know
How to take it
Daily
From the label
Take one (1) capsule twice a day as a dietary supplement. For best results, take 20-30 min before a meal or as directed by your healthcare professional.
Habit
Keep it consistent
Same time each day makes it easy to remember.
Our own internal standard. Not a third-party certification.
Questions
Take one (1) capsule twice a day as a dietary supplement. For best results, take 20-30 min before a meal or as directed by your 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
A six-enzyme blend, taken before meals.
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* 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.