LOCK-IN™
- Calm focus & increased alertness
- Support for screen-stressed eyes
- No crash. No jitters. No added sugar. Nothing artificial.
Back Guarantee
over ₹999
Always
No one has combined focus and eye support into a daily drink for people who live behind screens — until now.
150mg Natural Caffeine + 200mg L-Theanine for focused, productive energy.
500mg ScreenShield™ (Bilberry + Blackcurrant) — anthocyanin-rich berries researched for eye health under screen stress.
Built for founders, creators and professionals who spend 8–12+ hours a day behind screens.
This is what coffee and energy drinks were never designed to do.
Ingredients
Natural Caffeine: 150mg
L-Theanine: 200mg
L-Tyrosine: 500mg
Green Tea Extract: 100mg
Rhodiola Rosea: 150mg
ScreenShield™ (Bilberry + Blackcurrant): 500mg
Usage Instructions
How to Use: Mix one sachet with 300–350ml cold water. Stir or shake until dissolved.
When to Use: Daily, 15–20 mins before focused work. Morning or early afternoon.
Recommended daily intake: 1 sachet.
Shipping & Returns
Ships within 2–3 business days. Standard delivery: 5–7 days across India.
If Lock In™ isn't for you, email us at hello@usecollision.com within 30 days of delivery for a full refund.
Too much screen time makes you feel like sh*t.
We've got you:
Our Formula
Natural Caffeine
150mgSourced from green coffee beans to deliver a smooth, clean lift in energy & alertness to power you through your most demanding tasks.
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L-Theanine
200mgAn amino acid found in green tea known to take the harsh edge off caffeine, promoting a state of calm, creative focus.
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L-Tyrosine
500mgA dopamine precursor that sustains motivation and mental endurance under stress. Keeps you sharp when your brain wants to quit.
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ScreenShield™
500mgOur proprietary blend of Bilberry + Blackcurrant extracts. Rich in anthocyanins to reduce eye strain, support visual processing, and protect against screen fatigue.
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Green Tea Extract
100mgNatural stimulation paired with powerful antioxidant support. Works synergistically with caffeine for clean, sustained alertness.
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Rhodiola Rosea
150mgAn adaptogenic herb clinically shown to reduce mental fatigue and improve stress resilience during prolonged cognitive work.
Learn more ›Stop overpaying for rubbish.
One sachet. 300ml water. 15 minutes to onset. 2–4 hours of uninterrupted focus. No pills, no powders, no complicated stacks.
Join the WaitlistGot questions?
We've answered everything you might be wondering below.
Product & Formula
What exactly is Lock In™?
Lock In™ is a functional focus drink mix designed as a pre-deep-work ritual. Each sachet contains 150mg Caffeine, 200mg L-Theanine, 500mg L-Tyrosine, Rhodiola Rosea, Green Tea Extract, and our ScreenShield™ berry complex. It helps you enter focus faster, sustain it for 2–4 hours, and avoid the crash.
How much caffeine does it contain?
150mg — roughly equivalent to a strong cup of coffee, but paired with L-Theanine to eliminate jitters and smooth the energy curve.
What does it taste like?
Wild Berry. A natural berry sweetness with a slight tartness and citrus finish. Zero bitterness, zero chalkiness.
What is ScreenShield™?
Our proprietary 500mg blend of Bilberry + Blackcurrant extracts. Rich in anthocyanins — powerful antioxidants researched for reducing eye strain and supporting visual processing under screen stress.
Usage
How should I use Lock In™?
Mix one sachet with 300–350ml cold water. Stir or shake until dissolved. Take 15–20 minutes before focused work.
Will I feel it working?
Most people feel onset within 15–25 minutes. The caffeine + L-Theanine kicks in first with calm alertness, followed by deeper cognitive support. Peak window is 2–4 hours with no hard crash.
Is it safe for daily use?
Yes. Every ingredient is dosed within clinically studied safe daily limits. No proprietary blends — every milligram is listed.
Shipping & Returns
How long does shipping take?
Ships within 2–3 business days. Standard delivery: 5–7 days across India.
What if it's not for me?
30-day money-back guarantee. Email hello@usecollision.com for a full refund. No questions asked.