Vitamin B12
What it is
An essential vitamin found mostly in animal foods.
Why it's here
Supports normal energy metabolism.*
Nutrition
Daily Energy Strips
Caffeine and L-theanine, on a strip that dissolves on your tongue.
- Supports increased energy*
- Helps fight occasional fatigue*
- Fast-dissolving oral strip*
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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 Daily Energy Strips exists
Sound familiar?
Eating less changes more than your plate.
A few bites and I'm done.
Smaller meals leave less room for vitamins and minerals.
60%+ fell short on key nutrients from food
Clin Obes 2026 · Read
I'm eating less, but am I eating enough?
You're not imagining it. 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 Daily Energy Strips right for you?
An honest answer, so you can decide with confidence.
You'll probably like it if
- Your plate got smaller.You’re eating less and want the basics covered.
- You want one simple step.One daily foundation, not a cabinet of bottles.
- You like knowing why.Every ingredient listed, in plain language.
Daily Energy Strips
from $35.20/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’re sensitive to caffeine.
Still not sure? Ask us a question
DUO products are dietary supplements, not medications.
What's inside
B12, caffeine and L-theanine in one strip.
What each one is, and why it's here.
Per serving: 1 oral strip (290 mg) ·
About half a cup of coffee
Caffeine
What it is
The natural stimulant found in coffee and tea. 50 mg is about half a cup of coffee.
Why it's here
Supports alertness.*
Found in tea leaves
L-theanine
What it is
An amino acid naturally found in tea leaves.
Why it's here
Often paired with caffeine for smooth, focused energy.*
Good to know
- • Contains 50 mg caffeine per serving.
- ✓ Gluten-free
- ✓ Lactose-free
- ✓ Vegetarian
- ✓ Vegan
- ✓ Non-GMO
How to take it
Simple enough to keep doing.
Daily
From the label
Place one oral strip on your tongue and allow it to dissolve. Take one oral strip anytime, up to a maximum of 1 strip a day.
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
Questions
Questions we'd ask if we were you.
Place one oral strip on your tongue and allow it to dissolve. Take one oral strip anytime, up to a maximum of 1 strip a day.
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 Daily Energy Strips to your DUO.
Caffeine and L-theanine, on a strip that dissolves on your tongue.
Full Supplement Facts · Free shipping over $75 · Skip or cancel anytime
Want every area covered? See the Complete Routine
* 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.