Weight

Berberine

800 mg of berberine HCl extract per serving.

  • Supports healthy glucose metabolism*
  • Supports metabolic health*
  • 800 mg berberine HCl extract*
1

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Why Berberine exists

Sound familiar?

It's about more than the number on the scale.

I want to feel strong, not just smaller.

What you lose matters. Protein and movement help.

~30% of weight lost was lean mass

Obesity 2025 · Read

I'm eating less, but am I eating enough?

One study measured 271 fewer calories at a single meal.

−271 kcal at a meal

Diabetes Metab Syndr 2026 · 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 Berberine right for you?

An honest answer, so you can decide with confidence.

You'll probably like it if

  • You’re focused on your routine.You want support alongside healthy habits.
  • You like knowing why.Every ingredient listed, in plain language.
Berberine

Berberine

from $40.00/mo

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.
  • You take medication that lowers blood sugar.

Still not sure? Ask us a question

DUO products are dietary supplements, not medications.

What's inside

One active ingredient: berberine.

What each one is, and why it's here. Every amount is listed on the label.

Per serving: 2 capsules ·
Berberine extract (8%)

Berberine comes from plants like barberry

Berberine extract (8%)

790 mg

What it is

A plant extract from bark and root, standardized to contain 8% berberine, a yellow compound found in plants like barberry and goldenthread.

Why it's here

Supports healthy metabolism.* 790 mg per serving.

Berberine extract (97%)

Berberine extract (97%)

10 mg

What it is

A more concentrated berberine extract (97%), from bark.

Why it's here

Adds a small concentrated amount (10 mg).

Good to know

  • • Contains botanicals that may affect blood sugar.
  • • No caffeine or added stimulants.
  • ✓ Gluten-free
  • ✓ Vegetarian
  • ✓ Vegan
  • ✓ 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 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
What each one means

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 healthcare professional.

Berberine

Ready when you are

Add Berberine to your DUO.

800 mg of berberine HCl extract per serving.

Full Supplement Facts · Free shipping over $75 · Skip or cancel anytime

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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.