You already know something’s off.
1 in 3
coffee drinkers regularly
experience jitters
30%
say caffeine increases
their anxiety
81%
report side effects from
caffeine under pressure
It’s not you. It’s how caffeine works.
Caffeine blocks adenosine
Within minutes, caffeine blocks the receptors that make you feel tired. You start to feel more awake - but your body has lost its natural brake.
Your stress response activates
Cortisol and adrenaline rise. You feel switched on and alert, but you might notice your palms getting sweaty or your heart beating a little faster.
Stimulation peaks
You’re fully alert, but it can tip into feeling jittery, overwhelmed, or anxious. The line between focused and overstimulated is thin.
Adenosine floods back
As caffeine wears off, all the tiredness it was blocking hits at once. Energy crashes. Focus scatters. The afternoon disappears.
Cortisol lingers
The caffeine is gone but the stress hormones aren’t. Sleep suffers. You wake up tired. And reach for the coffee again.
Millions of people have quietly changed how they drink coffee.
Gave it up
Maybe missing coffee more than expected...
Cut back
One cup should be enough...
Switched
Matcha is fine. It’s just not... coffee.
Tolerating it
Would be great if I could handle it better...
What if caffeine didn’t have to be a compromise?
No artificial sweeteners
·
Real coffee, real milk
·
Clean label
Arabica Coffee
100mg natural caffeine
Brewed from Arabica beans. Not instant, not from concentrate.
L-Theanine
200mg from green tea extract
The amino acid that makes tea feel smoother than coffee.
Magnesium
120mg per can
Contributes to normal functioning of the nervous system and normal psychological function.*
Vitamin B12
100% daily NRV
Contributes to normal energy-yielding metabolism and normal psychological function.*
*EFSA authorised health claims
Premium iced latte. Reliably balanced.
No jitters
L-theanine from green tea takes the edge off caffeine without dulling it.
No crash
Steady energy that tapers gently instead of dropping off a cliff at 3pm.
No overstimulation
Alert without the racing heart. Focused without the edge.
No compromise
Real coffee taste. Real milk. No artificial sweeteners. Nothing to apologise for.
We didn’t invent the science.
The effects of L-theanine and its 2:1 ratio with caffeine appear in dozens of published studies. Here are ten.
“L-theanine reduced caffeine-augmented stress responses - including cortisol, heart rate, and subjective anxiety - without impairing cognitive benefits.”Dietz & Dekker, Biological Psychology (2017)
“The combination of L-theanine and caffeine improved cognitive performance and increased subjective alertness beyond either compound alone.”Giesbrecht et al., Nutritional Neuroscience (2010)
“L-theanine and caffeine in combination had synergistic effects on cognition and mood, with improvements in both speed and accuracy of attention tasks.”Haskell et al., Biological Psychology (2008)
Reviewing multiple randomised controlled trials, the authors concluded that L-theanine and caffeine have synergistic effects on attention and task-switching, with the combination consistently outperforming either ingredient in isolation.
In a triple-blind, placebo-controlled study, participants given L-theanine alongside caffeine showed lower cortisol responses and reduced subjective stress during a standardised psychological stress test, while maintaining the cognitive improvements associated with caffeine.
Participants given 100mg L-theanine and 50mg caffeine showed faster response times and improved accuracy on attention-switching tasks compared to placebo.
A randomised, placebo-controlled trial found 200mg daily L-theanine over 4 weeks was associated with reductions in stress-related symptoms including sleep quality and cognitive function.
Using functional MRI, researchers observed reduced activity in default mode network regions during sustained attention tasks, suggesting reduced mind wandering.
Participants deprived of sleep and given L-theanine with caffeine showed faster reaction times without an increase in errors, compared to caffeine alone.
A 12-week trial in adults aged 50-69 found daily consumption of caffeine and L-theanine was associated with improvements in attention and executive function.
In a double-blind placebo-controlled trial, 200mg L-theanine significantly reduced heart rate and salivary immunoglobulin A responses to an acute stress task, indicating both subjective and physiological stress reduction.
In a double-blind, placebo-controlled crossover study of 34 healthy adults, an L-theanine drink significantly reduced subjective stress one hour post-dose and salivary cortisol three hours post-dose following a cognitive stressor.
A double-blind, randomised, placebo-controlled trial found that 450-900mg daily L-theanine supplementation over 8 weeks was well-tolerated and associated with improvements in anxiety, sleep satisfaction, and cognitive function in adults with generalised anxiety disorder.
We asked people what surprised them most.
Gave it up
“Gave up coffee about two years ago. The anxiety wasn’t worth it. This is the first thing that actually feels like having it back.”
Cut back
“Down to one coffee a day now. I get shaky hands, can’t concentrate. Tried this and genuinely got through the whole day without any crash.”
Switched
“Switched to matcha last year. Missed the taste of actual coffee though. This is that.”
Tolerating it
“I never stopped drinking coffee, I just accepted the anxiety and heart palpitations as part of it. This is an absolute game changer.”
The questions everyone asks.
A 250ml ready-to-drink iced latte. Arabica coffee, real milk, L-theanine from green tea extract, magnesium, and B12. No artificial sweeteners, no stevia. Served cold from the can.
Every can contains 200mg of L-theanine alongside 100mg of caffeine - the 2:1 ratio used in most published research. Regular iced coffee has caffeine and nothing to complement it.
It tastes like a proper iced latte because it is one. Arabica coffee, real milk, no chalky supplement aftertaste. If you’ve ever grabbed an iced coffee from a fridge, you know what to expect - just without the jittery after-feeling.
An email list. No payment, no commitment. Founding members get first access and launch pricing when Cocha ships. Unsubscribe with one click, anytime.
We’re in the final stages of production. People on the early access list will be the first to know and the first to order.
Cocha contains around 100mg of caffeine (similar to a standard coffee) and dairy. Not recommended during pregnancy or breastfeeding, or if you’re very sensitive to caffeine.
Coffee without the compromise.
Founding member spots are limited.
Free to join. No payment required.
Free to join. No payment required.