Calm Focus for Finals: LSC100 + Studying, Exam Season & ADHD Focus
Curated by The Dose, by LSC100® 15 cards Updated Nov 2026
For students who get jumpy on coffee and still need to lock in for finals. This stack covers what the research says about L-theanine taking the edge off caffeine, the doses studies have actually tested, who should be careful with caffeine because of anxiety, why ADHD medication and caffeine need a doctor's input, why "study drugs" are a bad trade, and why sleep across the whole semester matters more than the night before the test. Sources are peer-reviewed trials, reviews and MIT research, plus students on LSC100 in their own words. LSC100 pairs 100mg caffeine with 100mg L-theanine, a 1:1 ratio, in a lozenge that dissolves on your tongue. No line, no cup, no can.
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Nutritional Neuroscience crossover trial: 50mg caffeine with 100mg L-theanine improved speed and accuracy on attention switching and cut distraction more than caffeine alone.
Biological Psychology trial testing 150mg caffeine with 250mg L-theanine: the pair improved reaction speed and working memory and lowered tiredness and headache ratings.
Randomized controlled trial in Nutrients: healthy adults taking 200mg L-theanine daily for four weeks reported lower anxiety, depression and sleep-complaint scores than on placebo.
We examined the acute effects of l-theanine, caffeine and their combination on sustained attention, inhibitory control and overall cognition in boys with attention deficit hyperactivity disorder (ADHD). The study found that the l-theanine–caffeine combination may be a potential therapeutic option for ADHD-associated impairments in cognitive performance.
Meta-analysis in General Hospital Psychiatry: high caffeine doses, around five cups of coffee, triggered panic attacks in about half of people with panic disorder. Know your own sensitivity.
Review of human studies: moderate caffeine is tied to better alertness and mood, while high doses more commonly cause anxiety, and its role in ADHD is still under-studied.
University of California review on non-medical use of prescription stimulants: misuse carries risks of addiction, bad reactions at high doses and medical complications.
Study of 1,534 college students in Addictive Behaviors: stimulant misuse usually came with other substance use and poorer psychosocial functioning, not better grades.
MIT study of students wearing activity trackers: longer, more consistent sleep through the semester tracked with higher grades, while sleep the night before an exam made no difference.
Shop LSC dissolvable caffeine doses for clean, fast energy. 100mg caffeine per dose, hits in 5 minutes, no jitters — just unhinged focus.
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