Product Description
Your training is done. Your meal prep is dialed. But by 2pm, you're starting to drag. Those work meetings are looming. Your focus feels fuzzy. You are distracted between tasks. That is the reality a lot of high-performers face, especially when training and working hard.
Every decision you make fires a neurotransmitter called glutamate in the prefrontal cortex — the part of your brain that handles strategy, focus, and judgment. Over the course of a full training and work day, that buildup degrades your mental signal.
Numin Cognitive Support is a clinically studied drink mix designed to clear that buildup and keep your thinking clean — through training blocks, race-days, and everything that work can throw at you.
Clinically Proven, Not Just Claimed – Numin was tested in a peer-reviewed trial published in Frontiers in Nutrition (2025). Participants showed 43% fewer cognitive errors, 11.2% better decision accuracy, and sustained peak cognitive function for 6+ hours — with no caffeine and no crash.
Built Around Decision Fatigue – Most nootropics target stimulation. Numin targets the specific mechanism behind afternoon mental decline — glutamate accumulation in the prefrontal cortex.
No Caffeine, No Crash, No Jitters – The clarity you feel with Numin is different from caffeine. It's not a kick — it's an absence of friction. Decisions flow. Focus holds. The 3pm wall stops showing up.
The formula combines Rhodiola rosea (an adaptogen that helps your brain handle prolonged stress), Curcumin as Curcugen™ (a highly bioavailable form that supports glutamate clearance and reduces neural inflammation), L-Tyrosine (a dopamine and serotonin building block that supports working memory when reserves are running low), MSM (which crosses the blood-brain barrier to suppress oxidative stress), and Crominex 3+ (which supports glucose delivery to the prefrontal cortex so your brain maintains its preferred fuel source during sustained effort).
How to Use Numin Cognitive Support
Mix and Take: Combine one stick pack with 8–12 oz of cold water. Tastes like lemon iced tea.
Timing: Take 30–60 minutes before your highest-demand mental window — pre-race morning, before a long training block, or at midday to sustain afternoon performance.
Daily Use: Best results reported by day 4–5 of consistent use. Most users notice the difference most clearly on the days they skip it.
Athletes who manage high training loads while working full schedules, coaching, or racing understand the cost of mental fatigue. Numin is for that athlete — the one who can't afford to lose the second half of their day.
Supplement Facts
| Amount Per Serving | ||
|---|---|---|
| % Daily Value* |
* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.
** Daily Value (DV) not established
We want you to love the nutrition you purchase from The Feed. We also know that sports nutrition is personal - a flavor, texture, supplement, or fueling product that works perfectly for one athlete may simply not be the right fit for another.
That’s why we offer our Always Happy Promise.
If you try a nutrition or consumable product and you’re not satisfied with it, let us know within 30 days of delivery and our Athlete Experience team will work to make it right.
Numin Cognitive Support FAQ's
Everything you need to know about Numin Cognitive Support.
Decision fatigue is a specific form of cognitive decline caused by glutamate accumulating in the prefrontal cortex — the part of your brain that handles strategy, judgment, and focus — over the course of a decision-heavy day. Unlike physical tiredness, you can feel it while still being physically alert: the inability to think clearly, the pull toward easy choices, the 3pm mental fog. Numin targets the underlying mechanism directly rather than masking it with stimulation.
Numin's formula was evaluated in a peer-reviewed, placebo-controlled trial published in Frontiers in Nutrition (2025). Participants showed 43% fewer cognitive errors, 11.2% better decision accuracy, and sustained peak cognitive function for 6+ hours compared to placebo. It's the first cognitive supplement of this type to publish a trial at this level — not an in-house study, a peer-reviewed journal.
Caffeine works by blocking adenosine receptors — it suppresses the feeling of fatigue without addressing what's causing it. When it wears off, the fatigue it masked is still there, often compounded. Numin addresses the glutamate accumulation that degrades cognitive performance in the first place, which is why the clarity you notice with Numin doesn't involve a crash — there's no borrowed energy to pay back.
For race-day, taking Numin 30–60 minutes before your pre-race window supports the mental decision-making demands that come with pacing strategy, in-race problem-solving, and managing the pressure of the start. For daily training, athletes managing full work schedules alongside training blocks report the most benefit from consistent midday use — the window where cognitive performance is most likely to drop off when training load is high.
Within the first hour, most users report the absence of the usual afternoon mental friction rather than a sudden sensation of alertness. The more consistent effect builds over days — most people report the clearest difference by day 4–5. A useful indicator from regular users: you notice it most clearly on the days you forget to take it.