Focus
& Studying
Struggling to stay locked into your revisions, to string together hours of deep work, or to push through the afternoon attention dip? Concentration isn't about willpower — it's a brain mechanism you can support. Here's how, and with what.
Why can't I concentrate?
Concentration relies on the prefrontal cortex and its chemical fuel: dopamine and norepinephrine (motivation and alertness) on one side, acetylcholine (attention and working memory) on the other. When those signals weaken — poor sleep, stress, notification overload, end-of-day fatigue — the mind disengages and jumps from task to task.
Nootropic supplements act precisely on these circuits: supplying neurotransmitter precursors, smoothing caffeine's stimulation, and supporting brain energy. The goal isn't to 'drug yourself to work', but to put the brain back in optimal conditions to do what it's already capable of.
The 3 neuro levers of focus
Low levels → procrastination, wandering mind, hard to "get going"
L-Tyrosine & NALT (direct precursors)
Weak transmission → forgetfulness, reading that "won't stick", losing the thread
Citicoline & Huperzine A
Coffee alone → spike then crash, anxiety, racing heart
CalmFocus (caffeine + L-theanine 1:1)
Each situation, its lever
Take the quizRevision & exams
- — Hold long study sessions
- — Memorize faster
- — Stay calm under pressure
- — Avoid the post-coffee crash
Deep work
- — Enter "flow" quickly
- — 4-6h focus without distraction
- — Chain demanding tasks
- — Less decision fatigue
Afternoon dip
- — Beat the 2-4pm slump
- — Stable brain energy
- — Without harming night sleep
- — Without caffeine overload
Mental load & stress
- — Think clearly under pressure
- — Reduce "brain fog"
- — Keep pace in busy periods
- — Recover faster
The focus stack
Full catalogThe most studied focus stack in the world: clean energy, no jitters, no crash. Ideal for 4-6h of revision or deep work.
Dopamine precursor: maintains mental clarity and motivation under pressure — exams, deadlines, short nights.
Acetylated form of tyrosine, better absorbed. Supports dopamine and norepinephrine for sustained attention.
Boosts acetylcholine, the neurotransmitter of concentration and working memory.
Extends acetylcholine's action — to memorize and learn faster.
Which focus stack is right for you?
Answer a few questions about your goals and profile — we'll recommend the best-fit combination. 2 minutes, free.
Find my stackFrequently Asked Questions
What is the best supplement for focus and studying?
For most students, the best starting point is a caffeine + L-theanine stack (CalmFocus): it delivers stable 4-6h focus without the jitters or crash of coffee alone. During exams or stress, L-Tyrosine (a dopamine precursor) is often added for motivation and mental clarity.
How is this better than just coffee?
Coffee alone often causes an energy spike followed by a crash, sometimes with jitters and palpitations. L-theanine paired with caffeine (1:1 ratio) smooths this out: you keep alertness and attention, but without the agitation, for longer and cleaner focus.
How fast do these supplements work?
Caffeine + L-theanine and L-tyrosine stacks work from the first dose (30-60 minutes). Cholinergic supports like Citicoline reach their full effect on focus and memory after a few days to weeks of regular use.
Is it safe for a student?
These supplements are well tolerated at recommended doses. They replace neither sleep nor a healthy lifestyle — the foundation of all concentration. If you are on medication, pregnant, or have a medical condition, consult a health professional before starting.