Yes — in specific, measured ways.

Across a 60–100km trail effort, the decline in visual reaction and movement execution seen in control was prevented with VKE, while circulating dopamine roughly doubled. One 2024 trial found about 4.1% better running economy. A 31-day runner trial improved response speed on cognitive tasks.

Broader endurance research supports training adaptation, late-session output and recovery, though that work was done in cyclists rather than runners.

What it has not done is make short races faster: direct 5K and 10K speed trials were null, and one economy study was not reproduced.

It depends on what you're trying to improve.

People searching for “running supplements” are often trying to solve several different problems — energy, endurance, focus, recovery or performance late in a race.

Veech Ketone Ester is a food, not a dietary supplement. It raises D-BHB directly and gives the body another oxidizable fuel rather than simply adding more carbohydrate or acting as a stimulant.

Direct runner research with VKE includes preserved mental performance across a 60–100km effort, a positive running-economy result in one trial, and faster cognitive responses after repeated use. Broader endurance research also points to training-adaptation and recovery applications.

The important part is not simply adding VKE to race morning. The protocol should match the problem you're trying to solve.

EXPLORE VKE FOR ENDURANCE →

“Stamina” can mean several different things: holding pace, using less energy at a given pace, staying mentally sharp, or recovering well enough to keep training.

VKE does not have a universal “makes every runner faster” result. Direct 5K and 10K trials have not shown a reliable race-time benefit.

The more interesting evidence appears elsewhere: mental performance was preserved across a 60–100km trail effort, one direct runner trial found 4.1% better running economy, and broader endurance studies found stronger training adaptation and more late-session output with repeated VKE use.

For many runners, that makes VKE more interesting as something incorporated into long efforts, training and recovery than as a generic pre-race speed shot.

VKE FOR STAMINA + ENDURANCE →

“Hitting the wall” is usually not one single failure. Fuel availability, pacing, heat, hydration and accumulated fatigue can all contribute as the race gets long.

Veech Ketone Ester does not have direct evidence showing that it prevents the marathon wall, and we should not pretend that it does.

What makes VKE relevant is that it provides D-BHB as another oxidizable fuel rather than simply adding more carbohydrate. The direct running and broader endurance research also suggests that duration and fuel context matter considerably.

For a marathoner, the practical question is therefore how VKE fits into the complete fueling and training strategy — and that protocol should be tested before race day.

SEE VKE PROTOCOLS →

VKE's recovery case is broader than simply feeling less sore the next morning.

In the direct ultra-running study, post-run muscle measurements pointed to improved muscular energy status and recovery signaling. The larger repeated-training evidence comes from cyclists, where VKE used around hard training improved late-session output, training adaptation and sleep after strenuous exercise.

That cyclist evidence should not be presented as though it were a direct marathon-recovery trial. But it is highly relevant to the recovery problem runners are trying to solve, especially when another training session or event is coming.

TRAINING + RECOVERY →    SLEEP AFTER HARD TRAINING →

One 2024 trial found about 4.1% better running economy with the ketone monoester taken without carbohydrate, in 11 male middle- and long-distance runners.

The benefit was not seen when the monoester was taken with carbohydrate, and a 2025 follow-up in 18 runners did not reproduce an economy benefit at all — although advanced footwear in the same study did.

Running economy is not the same thing as race time. It measures the oxygen cost of running at a given speed, and neither study measured a race.

Current direct evidence does not show a reliable 5K or 10K race-time benefit.

That doesn't mean VKE has no role for shorter-distance runners. The stronger case may be training support, recovery, and cognitive support under fatigue rather than an acute race-morning speed effect.

The detail: an acute 10K trial was null, and a 31-day trial did not improve 5K time — though response speed on cognitive tasks improved and some physiological measures changed.

This is where the direct runner evidence is strongest.

In a 60–100km trail protocol, visual reaction time in control rose from 353ms to 419ms and movement execution from 174ms to 245ms across the effort. Both deteriorations were fully negated with VKE, and plasma dopamine roughly doubled.

The result is preserved mental performance under extreme duration. It is not a faster finishing time, and that study did not measure one. The research dosing was far larger than anything we recommend.

No — and “replacement” is probably the wrong question.

Carbohydrate is the traditional fuel for high-output marathon running. Veech Ketone Ester adds another oxidizable fuel — D-BHB — through a different metabolic pathway.

The direct runner research shows why context matters. One running-economy study found a positive result when VKE was taken without carbohydrate, but not when carbohydrate was taken alongside it. A later study using a different protocol did not reproduce the economy benefit.

So the question is not simply whether ketones replace carbs. It is how VKE fits into the particular run, training block, recovery window and fueling strategy you're trying to improve.

SEE VKE PROTOCOLS →

It depends on the objective. Long-event use, training-block use and race-morning use are three different questions with three different bodies of evidence.

Whatever you're testing, test it in training first — amount, timing, carbohydrate pairing and gut tolerance. Don't copy research doses, and don't introduce anything new on race day.

SEE VKE PROTOCOLS →

Veech Ketone Ester is not prohibited under WADA rules, and selected KetoneAid products are independently batch tested for substances prohibited under anti-doping rules.

WADA does not certify or endorse products. No product eliminates an athlete's individual anti-doping responsibility. Check current batch documentation for the specific product you intend to use.

All three are the same Veech Ketone Ester at different dilutions, so the choice is about concentration, taste and how you want to dose.

Ke4 is 50% and carries 30g per bottle — the most ester in the fewest bottles, and the most potent taste. Ke2 is 25% with 25g per bottle — the same Veech Ketone Ester, more diluted and easier to drink. The Ketone Shot is 8% with 5g per bottle, ready to drink with nothing to measure.

For a long event, the Ketone Shot is the easiest thing to carry. For a training block, most runners end up on Ke4 or Ke2 on cost per gram.