We tested 5 popular ways to beat your afternoon slump
Michelle MasonJune 2026
It hits around 2 or 3 in the afternoon. Your focus drains away, your eyelids get heavy, and you reach for another coffee just to make it to dinner. You slept fine. You ate okay. So why do you feel like someone quietly pulled the plug halfway through your day?
Most people try to fix the crash with whatever is closest to hand — a second coffee, an energy drink, a sugary snack, maybe a B12 shot or an adaptogen they read about. They get a short lift, then they're flat again an hour later, sometimes worse than before.
Here's what almost nobody gets told: the afternoon crash isn't really about sleep, willpower, or more caffeine. It's about energy production inside your cells — and a coenzyme called NAD+. Your mitochondria use NAD+ to turn food into usable energy, and NAD+ levels fall as you age. Less NAD+ means less steady energy. Caffeine and sugar don't refill that tank; they just whip a tired system harder, which is exactly why the lift never lasts.
So we ran a simple test. We took the 5 most common things people use to beat the afternoon crash and compared them head-to-head — not on how fast they hit, but on whether they actually keep you steady past 3 PM.
Key features of our winning fix
Targets the cause, not the symptom
It helps refill NAD+ at the source instead of masking fatigue with a stimulant buzz.
No spike, no jittery crash
Steady energy that builds over weeks, without the caffeine peak-and-drop.
Lasts the whole afternoon
Not a 90-minute peak. Most users report a softer dip and steadier focus into the evening.
Made for daily use
No tolerance build-up like caffeine, and gentle enough to take every single day.
But which one actually works?
Almost everything on this list gives you some kind of lift — that's why people keep reaching for them. The real question is whether that lift treats the cause of the crash or just papers over it for an hour. Most of them mask the problem. One addresses it. So we stopped guessing and scored them.
5 popular energy fixes put to the test
We compared the five most common afternoon-crash fixes over 30 days, scoring each on these five criteria:
Treats the cause vs. masks it
Does it address why your energy dipped, or just override the feeling for a while?
No crash or jitters
Steady lift, or a spike followed by an even harder drop?
All-day energy
Does it hold past 3 PM, or fade after a short peak?
Backed by a real mechanism
Is there an actual biological reason it works, or just a quick stimulant hit?
Daily-use friendly
Can you take it every day without tolerance, sugar, or a midday slump?
We expected the stimulants to dominate. They didn't.
Times
🏆 #1: Rootwella (NMN / NAD+)
Rootwella was the only fix on the list that actually went after the cause of the crash. Instead of a stimulant, it pairs a clinical 500 mg dose of NMN with the cofactors your cells use to convert NAD+ into usable energy: CoQ10, TMG, resveratrol and more.
By week three, testers reported the afternoon dip that used to demand a second or third coffee had simply softened — steadier focus into the evening, with no jittery spike-and-crash. It's the only option here that builds energy from the inside rather than borrowing it from caffeine or sugar.
#2: Rosabella
A popular direct-to-consumer wellness brand with a loyal following. But its range is built around broad, everyday vitality rather than a focused, clinically-dosed NMN-plus-cofactor formula aimed squarely at energy and the afternoon crash. A capable generalist — not a specialist at the one job we were testing for.
#3: IM8
An all-in-one daily wellness blend that tries to cover a lot of bases at once. The trade-off with "do everything" formulas is dosing: when a single serving chases dozens of goals, the specific NAD+ and energy actives are rarely present at the levels shown to move the needle on their own. Convenient, but spread thin for this job.
#4: Catakor NMN
A dedicated NMN supplement, which is a step in the right direction. The gap is what surrounds the NMN: without the cofactor stack that converts NAD+ into felt energy — and without a clearly published dose and third-party COA — the effect on the afternoon crash tends to plateau. Closer to the mark than a general wellness blend, but still not a complete energy formula.
#5: Pur Nature
A natural-positioned, value-friendly option. The catch with budget "natural energy" formulas is transparency and dose — without a clearly published, clinical NMN amount and third-party testing, it's hard to be sure you're getting enough of the actives that actually drive steady energy.
Why the afternoon crash happens (and why coffee can't fix it)
Your mitochondria — the power plants inside your cells — rely on NAD+ to convert food into energy. When NAD+ is high, that conversion runs smoothly and your energy stays level. As NAD+ declines with age, the system sputters, and that shows up as the mid-afternoon wall, brain fog, and reaching for caffeine. Stimulants and sugar give you a borrowed spike, but they never refill the NAD+ your cells actually run on — which is why the lift always fades and the crash comes back.
What actually fixes the 3 PM crash
Refill NAD+ at the source
A direct precursor like NMN tops up the coenzyme your cells run on.
The right cofactors
CoQ10, TMG and resveratrol that turn NAD+ into felt, usable energy.
Steady release, no spike
Energy that holds through the afternoon instead of peaking and dropping.
A daily habit, not a quick hit
Something you take every day without tolerance or a sugar slump.
What to avoid
Stacking more caffeine
Past a point it stops working and just adds jitters and a harder crash.
Sugar and energy-drink spikes
A fast high followed by an even faster low.
One-off "energy shots"
Short-acting stimulants that fade before the afternoon is over.
Vague "proprietary energy blends"
They hide doses and rarely contain a meaningful amount of anything that works.
So can you really fix the crash at the source?
All signs point to yes. Across 30 days of testing, the fixes that only masked fatigue — caffeine, sugar, energy drinks — gave a short lift and a predictable drop. The one that addressed the underlying NAD+ decline produced something different: a steadier afternoon, a softer dip, and energy that didn't need to be topped up with another coffee. The key isn't a bigger stimulant. It's refilling what your cells actually run on.
The winner is clear...
After 30 days, the stimulants did what stimulants do — a quick spike, then the crash again. Rootwella was the only fix that targeted the cause: a clinical NMN dose plus the cofactors that turn NAD+ into steady, all-day energy — the kind that finally makes the afternoon coffee optional.
If you're done borrowing energy from your coffee maker and want it to come from your own cells instead, Rootwella is the clear winner.
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These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Individual results vary.