How long does
your focus
actually last?
Play the quick 60-second sequence game, reveal your Brain Energy Type + Cognitive Stamina Score, and see what keeps your mind sharp deep into the day — not just before lunch.
★★★★★ 48,000+ players · 100% freeWatch the sequence, then repeat it
The pads will light up in order. Watch closely — then tap them back in the exact same order. Each round adds one more step. This tests the working memory that drains fastest when you're depleted.
Building your Brain Profile…
The Quick Drainer
Here's the part most people miss: by mid-afternoon your brain isn't just tired — researchers describe it as depleted from the thousands of decisions you've already made. The good news is that this is one of the more addressable patterns.
It's called decision fatigue
You make tens of thousands of small choices a day. Each one fires glutamate in the prefrontal cortex. When it builds up faster than your brain clears it, working memory shrinks, focus slips, and the 3pm wall hits. These are the 5 signs:
Losing track of what you were just about to do.
Picking the easiest option instead of the best one.
Putting decisions off until the pressure builds.
Reacting impulsively instead of responding thoughtfully.
Sharp in the morning, foggy and slow after lunch.
The conventional fix is more caffeine — but coffee wakes you up, it doesn't help your brain clear the buildup. That's the gap the next step targets →
Numin — clinically studied focus
A once-a-day drink built around the buildup behind decision fatigue. No caffeine kick — you simply notice your stamina lasts longer. Tastes like lemon iced tea.
Formulated around glutamate clearance in the prefrontal cortex — the brand's described mechanism for decision fatigue.
Rhodiola rosea, L-Tyrosine, Curcumin (Curcugen™), MSM and Crominex 3+ — chosen for cognitive support under load.
Steady clarity without the coffee spike-and-drop. You notice what doesn't happen.
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Choose your plan
"My focus used to nosedive at 2pm. Now I make it to dinner without that mental brownout. Wild difference."
"Stimulants spike my anxiety. This doesn't. An actual solution that doesn't leave me wired."
"I'd been burned by energy supplements before. This isn't about energy — it's about staying sharp. Six hours in, no jitters, no crash."
[*] Manufacturer-cited clinical trial, reported as published in Frontiers in Nutrition (2025). Figures are the brand's claims and have not been independently verified on this page.
[1] Baumeister & Vohs — research on decision fatigue & self-regulation. Overview
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