How sharp is
your eye
right now?
Play the quick 60-second spot game, reveal your Focus Type + Mental Sharpness Score, and see what keeps your mind clear and quick under pressure — not just first thing in the morning.
★★★★★ 58,000+ players · 100% freeSpot the one that's different
A grid of dots will appear — all the same, except one. Tap the odd one out as fast as you can before the timer runs out. Each round the grid grows. This tests the focused attention that blurs first when you're depleted.
Building your Focus Profile…
The Afternoon Blurrer
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, focus blurs, choices get harder, and the 3pm wall hits. These are the 5 signs:
Details you'd normally catch start slipping past you.
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 the blur doesn't arrive. 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
"I edit for a living — by afternoon I'd miss obvious typos. That blur is gone. I catch things again."
"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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