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Nootropic drink mix · Formula 01 · Clinical doses

Think clearly.
Act
decisively.

Get SERO — $1.48/day See the formula →
SERO Focus — Lunar Frost
7Ingredients
0Prop Blends
40Servings
Zero Proprietary Blends·Clinical Doses·Made in USA·Third-Party Lab Tested·Full Label Transparency·No Crash · No Jitters· Zero Proprietary Blends·Clinical Doses·Made in USA·Third-Party Lab Tested·Full Label Transparency·No Crash · No Jitters·

What you'll notice

Feel the difference

SERO Focus isn't a caffeine pill with a label. Every ingredient is dosed at the level studied in clinical trials — not fairy-dusted. This is what that feels like.

⚡
Sustained Focus
Caffeine + L-Theanine at 2:1 ratio delivers clean, locked-in focus for 6+ hours without the spike and crash of coffee.
🧠
Sharper Memory
Alpha GPC 300mg directly raises acetylcholine — your learning and working memory neurotransmitter. Noticeable within 60 minutes.
😌
Calm Under Pressure
L-Theanine removes the anxiety edge. Inositol smooths dopamine and serotonin signalling — mental noise drops.
🔄
No Afternoon Crash
No stimulant overload — the stack is calibrated for a clean come-down. You stop without noticing you stopped.
💪
Physical + Mental Edge
L-Arginine 1000mg supports nitric oxide production — improves blood flow to the brain and physical output simultaneously.
📈
Builds Over Time
Ginseng and Alpha GPC compound with consistent use. The longer you run the stack, the better the baseline gets.

Why SERO

Why customers trust SERO Focus

SERO Focus
✓
Zero proprietary blends
Every ingredient dose is on the label — exactly what's in it, exactly how much.
✓
Clinical doses only
Each ingredient is dosed at the level used in published clinical studies — not token amounts added for label credibility.
✓
Third-party lab tested
Every batch is independently verified for purity and potency.
✓
Made in the USA
Manufactured in FDA-registered, cGMP-certified facilities under strict quality control standards.
🔬
Third-Party Lab Tested
🇺🇸
Made in USA
✅
cGMP Certified
🚫
No Prop Blends
🌿
No Artificial Fillers
⚗️
Clinical Doses

Start your stack

Choose your supply

Free shipping on all US orders over $75.

Starter
1 Tub
SERO Focus 1 Tub
$65.00
$59.00
Save $6.00
$1.48/serving · 40 servings
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Best Value
Most Popular
2 Tubs
SERO Focus 2 Tubs
$130.00
$108.00
Save $22.00 · $1.35/serving
Best for a 60-day stack
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Best Savings
Committed
3 Tubs
SERO Focus 3 Tubs
$195.00
$149.00
Save $46.00 · $1.24/serving
90-day protocol for full results
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The formula

What powers SERO Focus

Every ingredient is selected on one criterion: does the peer-reviewed literature support this dose for cognitive performance? If it's on the label, it's dosed to work.

1000mg
L-Arginine
Nitric oxide precursor — improves cerebral blood flow and oxygen delivery.
600mg
Inositol
Supports serotonin and dopamine receptor signalling. Reduces anxiety and mental noise.
300mg
Alpha GPC
Most bioavailable choline source. Directly raises acetylcholine — your primary learning neurotransmitter.
200mg
Caffeine
Adenosine antagonist — blocks fatigue signals and drives alertness and reaction speed.
100mg
L-Theanine
Promotes alpha brain wave activity — calm focus without sedation. Removes jitters from caffeine.
50mg
Panax Ginseng
Reduces mental fatigue under stress. Improves working memory and reaction time.
5mg
BioPerine®
Patented black pepper extract. Increases bioavailability of all co-ingested nutrients by up to 20x.
Lunar Frost flavour
40 servings per tub
No sugar · No artificial colours
Full label transparency

Real results

Benefits backed by science

🎯
Deep Focus on Demand
Caffeine + L-Theanine enters bloodstream within 30 minutes. Sustained focus for 4–6 hours.
🧬
Memory & Learning
Alpha GPC is the most bioavailable choline source. Raises acetylcholine — compounds over weeks.
🩸
Cerebral Blood Flow
L-Arginine → nitric oxide → vasodilation. More oxygen reaching your brain during cognitive load.
🛡️
Stress Resistance
Inositol + Ginseng reduce the cognitive cost of stress. Performance stays consistent under pressure.
SERO Focus

The timeline

How it works

00 — 20 min
Caffeine + Theanine activate
Clean energy kicks in. Alpha waves rise. Sharp and calm — not wired.
30 — 60 min
Alpha GPC elevates focus
Acetylcholine rises. Deep work clicks. BioPerine maximises absorption.
2 — 4 hours
Inositol holds the line
No 2pm wall. Inositol keeps serotonin signalling clean throughout.
Daily use
Ginseng compounds
Cerebral blood flow improves week by week. The stack gets more effective the longer you run it.

Customer results

Why thousands trust SERO Focus

★★★★★
Actually feels different
I've tried six or seven nootropics. SERO is noticeably different — cleaner focus, no crash, I actually get through deep work without checking my phone every 5 minutes.
James R. · Verified buyer
★★★★★
The transparency is the thing
Most brands hide their doses in a proprietary blend. SERO shows every single one. That alone made me trust it before I even tried it.
Priya M. · Verified buyer
★★★★★
My morning stack, done
I used to take Alpha GPC, L-Theanine, and caffeine separately. SERO has all of it in one. Better ratios, better flavour, cheaper per serving.
Marcus T. · Verified buyer
★★★★★
No afternoon crash
I used to die at 2pm no matter what. Started SERO 3 weeks ago and I genuinely don't get the afternoon wall anymore.
Sarah K. · Verified buyer
★★★★★
Better than expected
Two weeks in and my focus during work is noticeably sharper. The flavour is good too — not sweet or chemical like most powders.
Daniel W. · Verified buyer
★★★★★
Stacks well with everything
I take it pre-study, pre-gym, and sometimes just for a long drive. Consistent clean energy every time. No dependency after 6 weeks.
Alex N. · Verified buyer

Questions

Frequently asked

Caffeine + L-Theanine takes effect within 30–45 minutes. Alpha GPC and Ginseng compound with daily use — most users notice best results after 2–4 weeks.
Yes — the formula is designed for daily use. There's no dependency risk at these doses. If you're caffeine-sensitive, start with half a serving.
Light, clean, slightly sweet — similar to a mild lychee-mint. Mix with 250–350ml of cold water for best results.
Most nootropics use proprietary blends to hide underdosed ingredients. SERO shows every dose — and every ingredient is dosed at the level studied in peer-reviewed clinical trials.
Every batch is independently lab tested for purity, potency, and safety. Manufactured in an FDA-registered, cGMP-certified facility in the US.
Yes. SERO pairs well with Lion's Mane, Bacopa, Ashwagandha, and Magnesium. Avoid stacking with other high-caffeine products.
Currently shipping to the United States. International shipping coming soon.
🛡️

Risk-free

30-day money-back guarantee

Try SERO Focus for 30 days. If you don't feel a noticeable difference — get a full refund. No questions asked.

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Research

The science behind SERO

June 2026
Why the L-Theanine + Caffeine ratio matters more than the dose
The 2:1 L-Theanine to caffeine ratio is the most studied cognitive stack in nootropics research.
June 2026
Alpha GPC vs CDP-Choline: which choline source actually reaches the brain?
Not all choline is equal. Alpha GPC crosses the blood-brain barrier at a higher rate.
May 2026
What proprietary blends are hiding — and why it matters for your stack
The supplement industry's biggest trick is the proprietary blend.