A woman sitting at a sunlit kitchen table beside a DUO Daily Essential bottle and a glass of water
RESEARCH-BASED GLP-1 SUPPORT

Feel betterthrough yourGLP-1 journey.

Research-based nutrition support for the gaps that eating less can leave in nutrition, hydration, and digestion.

  • 11published studies cited
  • 480K+adults in the research
  • 4medical societies’ guidance
Built on research inN Engl J MedAm J Clin NutrObesity ReviewsClinical ObesityClin Nutr ESPENObesityNutrientsDiabetes Metab SyndrEndocrine

Our core products

Start with the core.

Where most routines start.

Shop all1–1 of 8
DUO Daily EssentialStart here
DUO Daily Essential$47.20/mo

Everyday nutritional support.*

Daily Multivitamin
Daily Multivitamin$36.00/mo

Everyday vitamins + minerals.*

Magnesium
Magnesium$38.40/mo

Calm muscles and restful sleep.*

Daily Energy Strips
Daily Energy Strips$35.20/mo

Everyday energy support, anywhere.*

Gut Support
Gut Support$36.80/mo

Daily digestion support.*

Daily Probiotic
Daily Probiotic$38.40/mo

Daily gut balance.*

Digestive Support Strips
Digestive Support Strips$38.40/mo

Digestive support, anywhere.*

Daily Hydration
Daily Hydration$38.40/mo

Electrolytes for everyday hydration.*

74%Reported
Clinical trial

Nearly 3 in 4 adults in a semaglutide trial reported digestive side effects.

Most reported: Nausea · Constipation · Diarrhea · Bloating

JW

John Wilding et al.

University of Liverpool · N Engl J Med 2021

STEP 1 trial. GI events were also common with placebo; most were mild and transient. Read the study

Why it matters

Eating less can leave real nutrition gaps.

Nutrition

60%+

fell short on calcium and iron from food.

JU

Jorge Urbina et al.

Clin Obes 2026

Read
Nutrition

~20%

of recommended vitamin D, on average.

JU

Jorge Urbina et al.

Clin Obes 2026

Read
Nutrition

−271 kcal

less eaten at a measured meal.

AQ

Anh Tuan Quan et al.

Diabetes Metab Syndr · 2026

Read
Peer-reviewed · Authors shown are not affiliated with DUOSee all 11 studies
  • Full Supplement Facts on every product
  • Skip or cancel anytime
  • Free shipping over $75

What DUO does

Your body will thank you.

Your GLP-1 does one job. DUO supports the rest, so you don't have to figure it all out yourself.

1

Start with the essential.

One daily foundation for the nutrients that fall short when you eat less.

DUO Daily Essential

DUO Daily Essential

$47.20/mo

Helps fill everyday nutritional gaps.*

Learn more about Daily Essential
2

Get The Complete Routine.

DUO Daily Essential, Gut Support, Daily Hydration and Metabolic Support together on a kitchen counterRecommended · Best value

All four areas covered: DUO Daily Essential, Gut Support, Daily Hydration and Metabolic Support. The lowest-priced one is on us.

NutritionGutHydrationWeight
DUO Daily Essential bottle

Start here

DUO Daily Essential

Start with the essential, add what you need. Your everyday foundation, then the support that fits your journey.

  • Replenishes key vitamins & minerals*
  • Eases digestion & soothes the gut*
  • Supports steady energy & vitality*

Why a daily foundation

Four medical societies jointly published nutrition priorities for people on GLP-1 medications, including micronutrients and protein, and noted most patients don't receive adequate nutrition support.

Am J Clin Nutr \u00b7 2025 \u00b7 Clinical guidanceExplore the research

The complete routine · Best value

Four needs.
One routine.
Pay for three.

DUO Daily Essential plus Gut, Weight and Hydration, chosen to work together. Get all four and the lowest-priced one is on us, every month.

DUO Daily Essential, Gut Support, Daily Hydration and Metabolic Support together on a kitchen counter

What's inside

4 products

  • DUO Daily Essential

    Essentials · Everyday nutritional support.*

    $59.00

  • Gut Support

    Gut · Daily digestion support.*

    $46.00

    FREE

  • Daily Hydration · Peach Mango

    Hydration · Electrolytes for everyday hydration.*

    $48.00

  • Metabolic Support

    · Daily support for your progress.*

    $50.00

Bought separately$203.00
Bundle discount (lowest item free)−$46.00
Subscription discount (20%)−$31.40
You save$77.40

  • Skip, swap, or cancel anytime
  • Free shipping over $75

Prefer to start smaller? Start with Daily Essential

01 · Essentials

Micronutrients

When you're eating less, the basics get harder to cover.

02 · Gut

Digestion + enzymes

Digestion commonly changes during GLP-1 treatment.

03 · Hydration

Fluids + electrolytes

About 20% of daily fluid usually comes from food.

04 · Weight

Daily metabolic support

A botanical blend, taken alongside the rest.

From research to routine

Every product starts with a finding.

One published study for each area of support, and the DUO product built around it.

See all research
Nutrition

13.6%

of GLP-1 users were vitamin D deficient at 12 months — nearly double the rate at 6 months.

Clin Obes · 2026 · Review, 480,825 adults · Read

So DUO includesDUO Daily EssentialVitamin D3 at 250% DV.*
$47.20/mo
Gut

74%

of adults in a semaglutide trial reported digestive side effects.

N Engl J Med · 2021 · STEP 1 trial · Read

So DUO includesDUO Gut SupportEnzymes, a probiotic and apple cider vinegar.*
$36.80/mo
Hydration

~20%

of the water you take in each day normally comes from food. Eat less, and that share shrinks.

National Academies · 2005 · Dietary Reference Intakes · Read

So DUO includesDUO Daily HydrationElectrolytes plus seven B vitamins.*
$38.40/mo
Body composition

~30%

of weight lost on GLP-1 therapy came from lean mass, not fat.

Obesity · 2025 · Meta-analysis, 7 RCTs · Read

So DUO includesCreatine + Hydration5 g creatine monohydrate per scoop.*
$46.40/mo

Studies describe intake and body composition in general or GLP-1 populations. They were not conducted on DUO products, and DUO is not affiliated with these publishers or authors. * 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.

Shop by need

One journey. Four types of support.

Your GLP-1 journey can affect more than your appetite. Start with the need that fits you.

Shop all products
A small, balanced breakfast on a kitchen table01 — When you're eating less

Help cover your daily bases.

A reduced appetite can mean fewer chances to get the nutrients your body needs.

DUO Daily Essential

$47.20/mo

Research: 13.6% of GLP-1 users were vitamin D deficient at 12 months. Read

Shop essentials
Fiber-rich foods arranged on a counter02 — When digestion feels different

Support your gut.

Changes in digestion are commonly reported during GLP-1 treatment.

Gut Support

$36.80/mo

Research: 74% of adults in a semaglutide trial reported digestive side effects. Read

Shop gut
A glass of water with citrus slices03 — When hydration matters more

Keep hydration within reach.

Eating and drinking patterns can change. Fluids and electrolytes, made easy.

Daily Hydration

$38.40/mo

Research: About 20% of daily fluid normally comes from food. Read

Shop hydration
A person stretching during an at-home workout04 — When you're building new habits

Support the routine around the medication.

Nutrition, movement, and sustainable habits still matter.

Creatine + Hydration

$46.40/mo

Research: Trials report a notable share of weight lost is lean mass. Read

Shop weight

Why you can trust DUO

Know exactly what you're taking.

No hidden claims. Every claim on the bottle traces back to something you can check.

DUO Daily Essential bottle
1

Full Supplement Facts

Full Supplement Facts on every product page.

View ingredients
2

Sourced from established partners

Ingredients from established manufacturing partners.

Learn more
3

Made to recognized standards

Made in FDA-registered US facilities.

Our standards
4

Tested for what matters

Tested for identity, potency and contaminants.

Quality & testing

DUO products are dietary supplements, not medications. FDA registration does not mean FDA has tested or approved these products.

Built by a family that's been through it. Read our story