mind

Reaction Speed Increase

See how Reaction Speed Increase is framed as a mind-related effect.

24Practices

These are research findings, not promises. Most options have little evidence, and results differ from person to person.

What may help

What studies found for each option, best evidence first.

24 options:5 some evidence3 mixed12 not enough evidence1 personal stories only3 no benefit found

What studies foundSize of effect

Tai ChipracticeSome evidence it helpsSize of effect: Not known
Some human studies found a benefit. More research could change this.
All 4 studies with a clear result found a benefit. Strongest study: a randomized controlled trial.
Open the Tai Chi page
Hatha YogapracticeSome evidence it helpsSize of effect: Not known
Some human studies found a benefit. More research could change this.
All 3 studies with a clear result found a benefit. Strongest study: a randomized controlled trial.
In an RCT with 118 participants, reaction times were shorter on mixed and repeat task-switching trials. A quasi-experimental study with 18 participants also reported a decrease in auditory oddball reaction time after a Hatha Yoga program.
Open the Hatha Yoga page
Alternate Nostril Breathing (Nadi Shodhana)practiceSome evidence it helpsSize of effect: Not known
Some human studies found a benefit. More research could change this.
All 3 studies with a clear result found a benefit. Strongest study: a randomized controlled trial.
Open the Alternate Nostril Breathing (Nadi Shodhana) page
Mindfulness MeditationpracticeSome evidence it helpsSize of effect: Not known
Some human studies found a benefit. More research could change this.
All 2 studies with a clear result found a benefit. Strongest study: a randomized controlled trial.
A review reported faster reaction times than sham control during a working-memory task among 24 participants. A trial with 69 young adults also reported faster eye-movement reaction times, but the time-by-intervention interaction was not significant.
Open the Mindfulness Meditation page
Jump Rope TrainingpracticeSome evidence it helpsSize of effect: Not known
Some human studies found a benefit. More research could change this.
All 2 studies with a clear result found a benefit. Strongest study: a randomized controlled trial.
Open the Jump Rope Training page
Strength TrainingpracticeMixed resultsSize of effect: Not known
Studies disagree: some found a benefit, others found none. Do not count on it.
2 of 3 studies found a benefit; 1 found none. Strongest study: a systematic review of studies.
A review reported positive reaction-time results in one study involving 30 people. Another review found reduced reaction time and improved movement efficiency after combined cognitive and explosive power training, across outcome analyses including 377 people.
Open the Strength Training page
BreathworkpracticeMixed resultsSize of effect: Not known
Studies disagree: some found a benefit, others found none. Do not count on it.
3 of 4 studies found a benefit; 1 found none. Strongest study: a randomized controlled trial.
A review covering 31 people in its analysis reported that one breathing session reduced stop-signal reaction time, while go reaction time increased. A separate 2025 randomized trial of 86 people found lower auditory and visual reaction times and P300 latency in the test group than in the control group.
Open the Breathwork page
High-Intensity Interval Training (HIIT)practiceMixed resultsSize of effect: Not known
Studies disagree: some found a benefit, others found none. Do not count on it.
2 of 3 studies found a benefit; 1 found none. Strongest study: a randomized controlled trial.
In a trial of 64 people, response times were shorter in the experimental group than in the control group; another trial of 85 people found a decrease in WRT with higher-intensity exercise. A separate trial involving 132 people found no significant effect of measurement time or interaction between group and measurement time.
Open the High-Intensity Interval Training (HIIT) page

Binaural BeatspracticeNot enough evidence
Too few or too small studies to know if it works.
4 of 6 studies found a benefit; 2 found none. Strongest study: a randomized controlled trial.
In a randomized trial, auditory reaction times were lower after 10 minutes of exposure at the second and third visits. However, another trial of 38 people found no significant reaction-time differences between stimulus conditions and no effect on sustained-attention performance, so results are mixed.
Open the Binaural Beats page
QigongpracticeNot enough evidence
Too few or too small studies to know if it works.
2 of 3 studies found a benefit; 1 found none. Strongest study: a randomized controlled trial.
An RCT of 96 people reported improved choice reaction time after Qigong. In a separate study of 88 people, response speed increased within the intervention group, but there was no significant group, time, or group × time effect between groups; an RCT of 55 people found no significant postintervention reaction-time change.
Open the Qigong page
YogapracticeNot enough evidence
Too few or too small studies to know if it works.
All 3 studies with a clear result found a benefit. Strongest study: a randomized controlled trial.
In a 2026 randomized trial involving 80 participants, reaction time improved from 0.59 s to 0.48 s; the control group also showed marginal improvement.
Open the Yoga page
Brain Games / PuzzlespracticeNot enough evidence
Too few or too small studies to know if it works.
All 2 studies with a clear result found a benefit. Strongest study: a randomized controlled trial.
A randomized trial of 32 found improvement on one of two attention measures in one game group compared with the other. A 21-person pilot found faster reaction time on the first visual-search task after training.
Open the Brain Games / Puzzles page
Focused Attention MeditationpracticeNot enough evidence
Too few or too small studies to know if it works.
1 of 2 studies found a benefit; 1 found none. Strongest study: a randomized controlled trial.
In a 2020 trial, the FAM21 group had faster reaction times in most learning blocks than the FAM1 and control groups.
Open the Focused Attention Meditation page
Red Light Therapy (Photobiomodulation)practiceNot enough evidence
Too few or too small studies to know if it works.
The one study found a benefit. Strongest study: a systematic review of studies.
A pooled analysis of randomized and non-randomized human studies involving 40 people reported faster reaction time on a sustained vigilance test. The studies included people with clinical conditions such as Alzheimer’s Disease, Depression and Parkinson’s Disease.
Open the Red Light Therapy (Photobiomodulation) page
MeditationpracticeNot enough evidence
Too few or too small studies to know if it works.
The one study found a benefit. Strongest study: a randomized controlled trial.
Open the Meditation page
Tabata TrainingpracticeNot enough evidence
Too few or too small studies to know if it works.
The one study found a benefit. Strongest study: a randomized controlled trial.
A randomized trial in 64 people with overweight found shorter GO response times, including in consistent and inconsistent conditions, in the experimental group than in the control group.
Open the Tabata Training page
Loving-Kindness Meditation (Metta)practiceNot enough evidence
Too few or too small studies to know if it works.
The one study found a benefit. Strongest study: a randomized controlled trial.
In a 2024 randomized trial of 42 people with depression, post-test response times were lower than pre-test response times under negative and neutral interference conditions in the experimental group.
Open the Loving-Kindness Meditation (Metta) page
PilatespracticeNot enough evidence
Too few or too small studies to know if it works.
The one study found a benefit. Strongest study: a randomized controlled trial.
One trial among people with Parkinson's disease found improved reaction time after Pilates compared with the control program on the Nelson Foot Reaction Test.
Open the Pilates page
Vinyasa YogapracticeNot enough evidence
Too few or too small studies to know if it works.
The one study found a benefit. Strongest study: a non-randomized trial.
A 2025 quasi-experimental study of 36 participants with Menopause found improved upper-body response time after the intervention.
Open the Vinyasa Yoga page
Hot BathpracticeNot enough evidence
Too few or too small studies to know if it works.
The one study found a benefit. Strongest study: a non-randomized trial.
A quasi-experimental study of 19 healthy people found improved reaction time on odd/even tests after whole-body heating only in older adults. The finding did not describe an improvement across both age groups.
Open the Hot Bath page
Box BreathingpracticeOnly personal stories
Only people's own stories online. No study has tested it.
Based on one study.
Open the Box Breathing page
Swedish (Classic) MassagepracticeNo benefit found
Studies looked for a benefit and did not find one.
The one study found no benefit. Strongest study: a randomized controlled trial.
No human findings are reported for reaction speed, so an effect in people has not been established.
Open the Swedish (Classic) Massage page
FastingpracticeNo benefit found
Studies looked for a benefit and did not find one.
The one study found no benefit. Strongest study: a non-randomized trial.
Studies did not support faster reaction speed: a quasi-experimental study in 35 healthy people found no significant Group × Time interaction for any PVT parameter, with small to trivial interaction effect sizes.
Open the Fasting page
CyclingpracticeNo benefit found
Studies looked for a benefit and did not find one.
1 of 2 studies found a benefit; 1 found none.
The available findings do not support an increase in reaction speed. A review of randomized and non-randomized human studies reported that response time was never significantly longer with exercise, but was sometimes reduced; error rates were never lower during exercise and were sometimes higher than at rest.
Open the Cycling page

Show all 24

Comparing practices

Tai ChiSome evidence it helps4 trials
Alternate Nostril Breathing (Nadi Shodhana)Some evidence it helps3 trials
BreathworkMixed results3 trials

The expert view shows every study, dose protocol and source.

What may help

Linked to improving it24 listed

Start here

Most likely to help, from the evidence we have

PracticesStrength TrainingCertaintyMediumSourceRCT3 other sources
A review reported positive reaction-time results in one study involving 30 people. Another review found reduced reaction time and improved movement efficiency after combined cognitive and explosive power training, across outcome analyses including 377 people.
Who was studied
Healthy people and patients
Study result
One study evaluating reaction time reported positive results.
Open Strength Training
→
PracticesBreathworkCertaintyMediumSourceClinical4 other sources
A review covering 31 people in its analysis reported that one breathing session reduced stop-signal reaction time, while go reaction time increased. A separate 2025 randomized trial of 86 people found lower auditory and visual reaction times and P300 latency in the test group than in the control group.
Who was studied
Healthy people and patients
Parkinsons Disease
Study result
Significant decrease (P = 0.024) in SSRT after Bhpr session while no significant change in DB group. The go RT increased significantly after Bhpr (P = 0.007)
Open Breathwork
→
PracticesTai ChiCertaintyMediumSourceClinical4 other sources
In a 2025 trial of 60 people, reaction time changed from 0.546 ± 0.2 to 0.503 ± 0.10 seconds after Tai Chi (d=0.829). A 2026 trial of 49 people also reported improved Stroop-task reaction time, though the finding reported no numerical change.
Who was studied
Healthy people and patients
Sarcopenia
Study result
Executive inhibitory function was evaluated using the colour-word Stroop task... Both the EBG and CG demonstrated significant improvements compared to baseline in ... Stroop task reaction time
Open Tai Chi
→
PracticesHigh-Intensity Interval Training (HIIT)CertaintyMediumSourceClinical3 other sources
In a trial of 64 people, response times were shorter in the experimental group than in the control group; another trial of 85 people found a decrease in WRT with higher-intensity exercise. A separate trial involving 132 people found no significant effect of measurement time or interaction between group and measurement time.
Who was studied
Healthy people and patients
Depression
Overweight
Study result
The GO response time, consistent and inconsistent condition response times of the experimental group were significantly shorter than those of the control group (P < 0.05).
Open High-Intensity Interval Training (HIIT)
→
PracticesHatha YogaCertaintyMediumSourceClinical3 other sources
In an RCT with 118 participants, reaction times were shorter on mixed and repeat task-switching trials. A quasi-experimental study with 18 participants also reported a decrease in auditory oddball reaction time after a Hatha Yoga program.
Who was studied
Healthy people and patients
Limb Amputation
Paraplegia
Study result
Analysis of covariances showed significantly shorter reaction times on the mixed and repeat task switching trials (partial η(2) = .04, p<...)
Open Hatha Yoga
→
PracticesAlternate Nostril Breathing (Nadi Shodhana)CertaintyMediumSourceClinical3 other sources
An RCT of 100 participants found a decrease in auditory reaction time of MD -0.66 seconds. In a separate RCT, reaction time in the 2-back task decreased by -8.59% immediately after Alternate Nostril Breathing.
Who was studied
Healthy people and patients
Diabetes Type2
Hypertension
Hypothyroidism
Study result
There was a significant decrease in the ART (p < 0.00001).
Open Alternate Nostril Breathing (Nadi Shodhana)
→
PracticesMindfulness MeditationCertaintyMediumSourceClinical2 other sources
A review reported faster reaction times than sham control during a working-memory task among 24 participants. A trial with 69 young adults also reported faster eye-movement reaction times, but the time-by-intervention interaction was not significant.
Who was studied
Healthy people and patients
Study result
NF group compared with sham control had faster reaction times post-NF for correct trials during the N-2 back working memory task
Open Mindfulness Meditation
→

Medium probability(1)

PracticesJump Rope TrainingCertaintyMediumSourceClinical2 other sources
In a randomized trial of 60 healthy participants, both HIIT and MICT groups had shorter reaction times under incongruent conditions on the SCWT after the intervention. In another randomized trial, reaction time in the exercise group fell from 0.39 ± 0.04 s to 0.38 ± 0.05 s, while the control group showed no improvement.
Who was studied
Healthy people
Study result
In the SCWT after the intervention, both the HIIT and MICT groups showed reduced reaction time under incongruent conditions
Open Jump Rope Training
→

Low probability(13)

PracticesBinaural BeatsCertaintyLowSourceClinical6 other sources
In a randomized trial, auditory reaction times were lower after 10 minutes of exposure at the second and third visits. However, another trial of 38 people found no significant reaction-time differences between stimulus conditions and no effect on sustained-attention performance, so results are mixed.
Who was studied
Healthy people
Study result
After 10 minutes, the RT in to auditory stimuli in the experimental group was significantly lower than that of the control group at the second and third visits.
Open Binaural Beats
→
PracticesQigongCertaintyLowSourceClinical3 other sources
An RCT of 96 people reported improved choice reaction time after Qigong. In a separate study of 88 people, response speed increased within the intervention group, but there was no significant group, time, or group × time effect between groups; an RCT of 55 people found no significant postintervention reaction-time change.
Who was studied
People with a condition
Addiction
Study result
QigongG showed significant improvements in choice reaction time... End: 2.97 ± 0.82 ^*
Open Qigong
→
PracticesYogaCertaintyLowSourceClinical3 other sources
In a 2026 randomized trial involving 80 participants, reaction time improved from 0.59 s to 0.48 s (p<0.01, d=0.65); the control group also showed marginal improvement (p=0.02, d=0.25).
Who was studied
Healthy people and patients
Addiction Drugs
Major Depressive Disorder
Study result
Both groups showed significant post-intervention reductions in mean VRT (p...). Reaction time is a time measure, so a reduction is an improvement on the visual reaction time outcome.
Open Yoga
→
PracticesBrain Games / PuzzlesCertaintyLowSourceClinical2 other sources
A randomized trial of 32 found improvement on one of two attention measures in one game group compared with the other. A 21-person pilot found faster reaction time on the first visual-search task after training.
Who was studied
Healthy people
Study result
On the other hand, the Tetris group improved one of two measures of attention (SRT, F(1, 27)=6.08, η^2=0.10, p=0.012) ... compared to the Brain Age group.
Open Brain Games / Puzzles
→
PracticesFocused Attention MeditationCertaintyLowSourceClinical2 other sources
In a 2020 trial, the FAM21 group had faster reaction times in most learning blocks than the FAM1 and control groups.
Who was studied
Healthy people
Study result
FAM21 exhibited faster reaction time performances in majority of the learning blocks compared to FAM1 and Control.
Open Focused Attention Meditation
→
PracticesRed Light Therapy (Photobiomodulation)CertaintyLowSourceClinical1 other source
A pooled analysis of randomized and non-randomized human studies involving 40 people reported faster reaction time on a sustained vigilance test. The studies included people with clinical conditions such as Alzheimer’s Disease, Depression and Parkinson’s Disease.
Who was studied
People with a condition
Alzheimers Disease
Anxiety Disorder
Depression
Low Libido
Parkinsons Disease
Schizophrenia
+1 more
Study result
significant improvement in reaction time in a sustained vigilance test (p = 0.047)
Open Red Light Therapy (Photobiomodulation)
→
PracticesMeditationCertaintyLowSourceClinical1 other source
guided mindfulness practice improved saccadic reaction times; we identified a significant main effect of intervention, F(1,65)=4.24, p=0.044, η_p^2=0.061 in the singleton search task.
Who was studied
People with a condition
Open Meditation
→
PracticesTabata TrainingCertaintyLowSourceClinical1 other source
A randomized trial in 64 people with overweight found shorter GO response times, including in consistent and inconsistent conditions, in the experimental group than in the control group.
Who was studied
Healthy people
Overweight
Study result
The GO response time, consistent and inconsistent condition response times of the experimental group were significantly shorter than those of the control group (P < 0.05).
Open Tabata Training
→
PracticesLoving-Kindness Meditation (Metta)CertaintyLowSourceClinical1 other source
In a 2024 randomized trial of 42 people with depression, post-test response times were lower than pre-test response times under negative and neutral interference conditions in the experimental group.
Who was studied
People with a condition
Depression
Study result
in the experimental group, under the negative and neutral interference conditions, the post-test response time was lower than the pre-test (F(1,40) = 7.03, p = 0.011, η² = 0.15; F(1,40) = 6.28, p = 0.016, η² = 0.14)
Open Loving-Kindness Meditation (Metta)
→
PracticesPilatesCertaintyLowSourceClinical1 other source
One trial among people with Parkinson's disease found improved reaction time after Pilates compared with the control program on the Nelson Foot Reaction Test (n = 32).
Who was studied
People with a condition
Parkinsons Disease
Study result
At post-test, ... reaction time ... showed a significant improvement in PP compared to CP (primary outcome: Nelson Foot Reaction Test)
Open Pilates
→
PracticesVinyasa YogaCertaintyLowSourceClinical1 other source
A 2025 quasi-experimental study of 36 participants with Menopause found improved upper-body response time after the intervention.
Who was studied
People with a condition
Menopause
Study result
Specifically, there was significant improvement in balance (one-leg stand), lower-body strength (30-second sit to stand), and upper-body response time after the intervention.
Open Vinyasa Yoga
→
PracticesHot BathCertaintyLowSourceClinical1 other source
A quasi-experimental study of 19 healthy people found improved reaction time on odd/even tests after whole-body heating only in older adults. The finding did not describe an improvement across both age groups.
Who was studied
Healthy people
Study result
The Wilcoxon signed-rank test showed that WBH improved reaction time during odd/even tests only in old adults (*Z* = −2.31, *p* = 0.021, *r* = 0.77).
Open Hot Bath
→
PracticesBox BreathingCertaintyLowSourceAnecdotal1 other source
This effect was mentioned in 2 of 301 Reddit reports discussing it.
→

Very low probability(3)

PracticesSwedish (Classic) MassageCertaintyVery lowSourceClinical1 other source
No human findings are reported for reaction speed, so an effect in people has not been established.
Who was studied
Healthy people
Open Swedish (Classic) Massage
→
PracticesFastingCertaintyVery lowSourceClinical1 other source
Studies did not support faster reaction speed: a quasi-experimental study in 35 healthy people found no significant Group × Time interaction for any PVT parameter (all p > 0.05), with small to trivial interaction effect sizes.
Who was studied
Healthy people
Open Fasting
→
PracticesCyclingCertaintyVery lowSourceTheoretical2 other sources
The available findings do not support an increase in reaction speed. A review of randomized and non-randomized human studies reported that response time was never significantly longer with exercise, but was sometimes reduced; error rates were never lower during exercise and were sometimes higher than at rest.
Who was studied
Healthy people
Open Cycling
→

Practices compared

Practices with at least one trial of their own for this goal. Ranked by how sure the evidence is, then effect size.Top 10 of 20

Practice	How sure	Own trials	What worked in trials
Tai Chi	CertaintyMediumSourceClinical	4 trials or pooled analyses	20–60 min · 3–4×/week · 12 weeks
Alternate Nostril Breathing (Nadi Shodhana)	CertaintyMediumSourceClinical	3 trials or pooled analyses	15–18 min
Breathwork	CertaintyMediumSourceClinical	3 trials or pooled analyses	15–23 min · 3–8.5×/week · 4–8 weeks
Hatha Yoga	CertaintyMediumSourceClinical	2 trials or pooled analyses
High-Intensity Interval Training (HIIT)	CertaintyMediumSourceClinical	2 trials or pooled analyses	24–27 min
Jump Rope Training	CertaintyMediumSourceClinical	2 trials or pooled analyses	3–4×/week · 8–10 weeks
Mindfulness Meditation	CertaintyMediumSourceClinical	2 trials or pooled analyses
Strength Training	CertaintyMediumSourceRCT	2 trials or pooled analyses	2.5–3×/week · 9–19 weeks
Binaural Beats	CertaintyLowSourceClinical	4 trials or pooled analyses
Brain Games / Puzzles	CertaintyLowSourceClinical	2 trials or pooled analyses

What worked in trials: From the smallest to the typical amount in the trials that found this benefit. Not the most anyone did, not a target and not a limit.

How to read the evidence

Evidence tier — overall strength of the evidence for the whole compound

StrongWell established — backed by strong, consistent human research.
ModerateSome genuine support, but mostly from small or lower-quality studies. Promising, not proven.
PreliminaryEarly-stage evidence — a promising hypothesis, not an established effect yet.
LimitedVery limited evidence — treat this as a hypothesis, not proof.
InsufficientNot enough good evidence to draw conclusions yet.

Certainty — how sure we can be that the effect is real

Very highVery sure — strong, consistent evidence
HighFairly sure — consistent evidence from good studies
MediumModerately sure — new studies could change this
LowNot sure — little or mixed evidence
Very lowVery unsure — almost no usable evidence

Source — where the data comes from

Meta-analysisPooled analysis of many trials — the strongest evidence
RCTRandomized controlled trial — a strong human study design
ClinicalA human clinical study
Reference knowledgeFrom general health-science or pharmacology references, not a study of this exact claim
Animal researchStudied in animals, not humans
Community reportsAggregated user reports — anecdotal signal, not evidence
TheoreticalMechanism-based reasoning, not yet tested

Study grade — quality of each underlying study (A best, D weakest)

AHigh-quality — strong, consistent human trials
BGood — solid evidence with some limitations
CModerate — limited, small, or mixed-quality studies
DWeak — preliminary, indirect, or animal-only

Confidence — how strongly the sources back a finding

A 0–100 score from study quality and agreement

Most supplement evidence is graded C–D. Read it as preliminary signal, not proof.

Full write-up

What is it

Reaction Speed Increase refers to responding more quickly to a stimulus or task. It is commonly reflected by a decrease in reaction time, measured in milliseconds, meaning less time passes before a response is made. This outcome describes response speed specifically; it should not be interpreted as a broad claim about every aspect of mental performance. Research has examined it in connection with interventions such as Caffeine, Rhodiola Rosea, Tai Chi, and Ashwagandha.

How interventions help

Interventions associated with faster reaction speed fall into several practical patterns. Some findings followed an acute, single exposure, with changes assessed soon afterward. Others involved continuous use over days or weeks, while movement-based approaches were evaluated after a period of regular practice. This means the results do not describe one uniform pathway or a single timetable for change.

The studied interventions also differ in what they represent: isolated doses, daily supplementation, and structured exercise or mind–body practice are not interchangeable. Dose and duration shown on this page describe the conditions used in particular studies, rather than universal instructions. An apparent immediate response should not be assumed to persist after the intervention stops, especially when longer-term follow-up was not reported.

Applicability is also uneven. Participants were often not assigned a clearly defined health status, while some findings came from mixed groups, people with a clinical condition, or healthy participants. Results from one population or setting may therefore not transfer directly to another. The overall evidence includes both interventions linked with improvement and one linked with slower reaction performance, so direction matters when comparing options rather than treating all entries as equivalent.

Choosing guidance

For a quick, same-session change, the most relevant choices are those studied after a single dose or described as having immediate onset. Caffeine is the clearest fit for this use, while L-Theanine, Tyrosine, American Ginseng, Beetroot Extract, and Lion's Mane were also examined in acute settings. These options suit readers who want an effect that can be assessed soon after use, rather than committing to a longer routine.

Other options require more time. Rhodiola Rosea and Ashwagandha were studied over daily courses, while Tai Chi, Yoga, Meditation, Vitamin C, and Omega-3 represent approaches assessed over longer or varied periods. These may suit someone interested in a sustained routine or a practice-based approach rather than an immediate result. Creatine is a less direct fit for rapid use because its reaction-time finding was observed in a sleep-deprivation setting and its onset was described in days.

Human applicability differs substantially. Human evidence is present for several of the acute and routine options, including Caffeine, Rhodiola Rosea, Tai Chi, Ashwagandha, Beetroot Extract, L-Theanine, Tyrosine, American Ginseng, Creatine, Vitamin C, Yoga, and Meditation. In contrast, findings for Inositol, Omega-3, Glycine, Astaxanthin, Bacopa Monnieri, Resveratrol, Vitamin B9 (Folate), and some other options are not marked as human evidence, so they are less suitable when direct human relevance is the main priority. GABA is notable because its listed finding points toward slower rather than faster reaction time. No listed option is marked as having conflicting evidence, but the evidence types and study contexts still vary.