Carnosine Research in Older Adults: What Human Studies Actually Show

Quick answer: Human research on carnosine in older adults is promising in a few specific areas, but the evidence is still limited. Beta-alanine—the precursor your muscles use to make carnosine—has been shown to raise muscle carnosine substantially in older adults and may improve some measures of fatigue-limited exercise capacity. It has not consistently improved strength or everyday functional tests. Separate trials using oral anserine/carnosine combinations have reported possible benefits for selected memory outcomes, but those studies did not test carnosine alone and several publications come from related research cohorts. There is not enough human evidence to say that carnosine prevents sarcopenia, reverses muscle aging, prevents cognitive decline, or broadly improves physical independence. [1–11]

Carnosine research in aging has an unusual problem.

There are enough positive findings to sound exciting.

But there are not enough studies to justify sweeping conclusions.

You may see headlines suggesting that carnosine:

• Preserves aging muscle
• Improves endurance
• Protects memory
• Reduces fatigue
• Supports healthy aging

Some of those ideas have human data behind them.

The problem is that the studies often tested very different things.

One study gave older adults beta-alanine, allowing their muscles to make more carnosine.

Another gave participants a combination of anserine plus carnosine.

Another measured exercise capacity.

Another measured memory.

And the direct topical LactiGo performance study was conducted in elite rugby players—not older adults.

If those evidence streams are blended together, carnosine begins to look much more proven than it actually is.

So instead of asking:

"Does carnosine work for aging?"

the better question is:

"Which carnosine-related intervention has been tested, in whom, and for what outcome?"

Table of Contents

• Why older-adult carnosine research is easy to misread
• What kinds of human studies actually exist?
• Can older adults increase muscle carnosine?
• Does higher muscle carnosine improve exercise capacity?
• Does beta-alanine improve strength?
• What about everyday physical function?
• What does the newest systematic review conclude?
• What do carnosine/anserine studies show about memory?
• What did the larger 2023 beta-alanine study find?
• What does the new 2026 oral-carnosine trial add?
• Does carnosine prevent sarcopenia or falls?
• Where LactiGo fits
• What should active older adults take away from the research?

First, Separate the Four Research Questions

The phrase "carnosine research in older adults" can refer to at least four different kinds of evidence.

1. Natural muscle carnosine

Researchers measure how much carnosine is already present in older skeletal muscle.

2. Beta-alanine supplementation

Researchers give beta-alanine so the participant's own muscle can synthesize additional carnosine.

3. Oral carnosine or anserine/carnosine supplementation

Participants ingest carnosine directly, sometimes combined with the related dipeptide anserine.

4. Topical carnosine

A finished formulation containing carnosine is applied to the skin and the product itself is tested.

These approaches are related.

They are not interchangeable.

Beta-Alanine Research Is Not the Same as Carnosine Research

This distinction deserves emphasis because much of the older-adult physical-performance literature uses beta-alanine, not carnosine.

Beta-alanine is one of the two building blocks used by the enzyme CARNS1 to make carnosine inside skeletal muscle.

When beta-alanine availability rises over several weeks, muscle carnosine can increase substantially.

So a beta-alanine trial can tell us:

What happens when older muscle makes more carnosine?

It does not tell us:

What happens when an older adult swallows carnosine directly?

And it certainly does not tell us:

What happens when carnosine is applied topically?

Route and formulation are part of the intervention.

Can Older Adults Still Increase Muscle Carnosine?

Yes.

This is one of the clearest findings in the entire older-adult literature.

In a randomized trial published in 2012, 18 adults aged 60–80 received either beta-alanine or placebo for 12 weeks.

The beta-alanine group received:

3.2 grams per day.

Researchers measured carnosine directly in the gastrocnemius muscle using magnetic resonance spectroscopy. [1]

After 12 weeks, muscle carnosine increased by an average of:

85.4%

in the beta-alanine group.

The placebo group increased by:

7.2%. [1]

That is a large biochemical response.

It demonstrates that older skeletal muscle retains a strong ability to synthesize additional carnosine when more beta-alanine becomes available.

Aging Does Not "Switch Off" Carnosine Synthesis

This finding matters because aging is often described as though every metabolic system simply stops responding.

That is not what happened here.

The older adults' muscles were still capable of substantially enlarging their carnosine pool.

This does not mean the intervention reversed muscle aging.

It tells us something narrower and more useful:

The machinery needed to synthesize additional muscle carnosine remains functional in adults aged 60–80.

That is a physiological finding.

Whether that biochemical change improves outcomes that matter to people is the next question.

Did More Muscle Carnosine Improve Exercise Capacity?

In the same 12-week study, researchers tested exercise performance.

Participants completed:

• A constant-load exercise test
• An incremental exercise test
• Functional assessments

The beta-alanine group improved time to exhaustion in the constant-load test by:

36.5%

compared with:

8.6% with placebo. [1]

Time to exhaustion during the incremental test improved:

12.2%

with beta-alanine

compared with:

0.1%

with placebo. [1]

Even more interesting, the increase in muscle carnosine correlated with the improvements in exercise time.

That gives the study an important strength:

Researchers measured both the change in carnosine and the change in performance.

But Everyday Functional Tests Did Not Improve

The same experiment also included tests closer to ordinary daily function.

These included:

• Timed chair stands
• Timed Up and Go

Those outcomes did not significantly improve compared with placebo. [1]

Quality-of-life measures also did not show a significant benefit.

That creates an important distinction.

The study supports:

Improved fatigue-limited exercise capacity under the tested conditions.

It does not support:

Broad improvement in everyday physical function.

Those are different outcomes.

Why Would Exercise Capacity Improve Without Strength Improving?

Because carnosine's best-established muscle role is not making a muscle maximally strong.

Carnosine contributes to intracellular buffering.

That role is most likely to matter when exercise lasts long enough and is intense enough for acid-base disturbance to contribute meaningfully to fatigue.

A one-repetition strength test may be limited by:

• Neural drive
• Muscle cross-sectional area
• Technique
• Tendon mechanics
• Coordination

rather than intracellular buffering.

Similarly, a short chair-rise test may not create the same metabolic challenge as prolonged cycling to exhaustion.

So it is physiologically reasonable for carnosine-related interventions to affect some endurance or fatigue measures without changing maximal strength.

An Earlier Trial Found a Similar Fatigue Signal

In 2008, Stout and colleagues randomized 26 older men and women, with an average age of about 73, to beta-alanine or placebo for 90 days.

The beta-alanine dose was:

2.4 grams per day. [2]

Researchers measured physical working capacity at the fatigue threshold, or PWCFT.

This test estimates the workload at which electrical activity in the working muscle begins showing signs associated with neuromuscular fatigue.

After supplementation, PWCFT increased:

28.6%

in the beta-alanine group.

The placebo group did not significantly improve. [2]

That again points toward fatigue resistance rather than a general increase in every aspect of physical ability.

A Larger Nutrition Study Also Found Improved Working Capacity

A 2013 randomized study enrolled 60 older adults, average age approximately 71.

All participants received an oral nutritional drink, while two groups received additional beta-alanine.

The daily beta-alanine amounts were effectively:

• 1.6 g/day
• 2.4 g/day

because the study drinks were consumed twice daily. [3]

After 12 weeks, physical working capacity at the fatigue threshold increased in both beta-alanine-fortified groups compared with the nutritional drink alone.

But grip strength did not significantly improve. [3]

Again, the pattern was not:

Everything got better.

It was much more specific.

What About Resistance Training?

This is where the evidence becomes less impressive.

A 2018 study randomized 27 adults aged 60–82 to beta-alanine or placebo, with or without a 12-week resistance-training program. [4]

The exercise program used higher-repetition resistance training three days per week.

Beta-alanine was provided at:

3.2 g/day.

Resistance training produced expected training adaptations.

But beta-alanine did not add a clear independent benefit for the measured:

• Strength outcomes
• Muscular endurance outcomes
• Body-composition outcomes
• Activities-of-daily-living measures [4]

This is important because resistance training itself is one of the most evidence-supported interventions available for maintaining muscle strength with age.

Beta-alanine did not make that training effect meaningfully larger in this study.

Training and Carnosine Should Not Be Put on the Same Level

For healthy aging, the evidence hierarchy matters.

We have extensive evidence supporting resistance training for:

• Strength
• Muscle mass
• Physical performance
• Functional capacity

The older-adult beta-alanine literature is much smaller.

So a carnosine-related supplement should never be presented as a substitute for actually using your muscles.

If the goal is staying strong enough to:

• Climb stairs
• Carry groceries
• Get up from the floor
• Hike
• Play recreational sports

training remains the foundation.

Carnosine research asks whether one part of muscle physiology can be modified on top of that foundation.

What Does the Newest Systematic Review Say?

A systematic review published online in late 2024 and in print in 2025 searched five major databases for beta-alanine trials involving older adults.

The researchers identified:

1,749 records.

Only:

5 studies

met the eligibility criteria. [6]

Across those five studies, there were:

163 older adults.

The participants had a mean age of approximately:

69 years.

Average intervention length was just under:

12 weeks. [6]

That number alone should shape how confidently we speak.

Five studies is an evidence base.

It is not a mature literature.

The Review Found a Pattern, Not a Universal Benefit

The review's overall conclusion was:

Exercise capacity

May improve.

Muscle strength

No convincing improvement.

Functional performance

No convincing improvement. [6]

The authors suggested that this pattern makes physiological sense because tasks influenced strongly by exercise-induced acidosis are more likely to benefit from increased muscle carnosine than tasks where acidosis is not a major limitation.

That conclusion aligns well with the individual trials.

A Five-Study Review Should Make Us More Precise, Not More Pessimistic

Limited evidence does not mean the intervention has no effect.

It means we should use narrower language.

Reasonable:

Beta-alanine may improve some measures of exercise capacity in older adults.

Too broad:

Beta-alanine improves physical performance in older adults.

Reasonable:

Older muscle can substantially increase its carnosine concentration after beta-alanine supplementation.

Too broad:

Carnosine reverses aging muscle.

The narrower statements are not weaker.

They are more accurate.

What About the Brain and Memory?

This is where the research changes intervention again.

Several human studies have investigated oral combinations of:

anserine + carnosine

in older adults.

Anserine is a methylated histidine-containing dipeptide related to carnosine.

That means these trials should not be described simply as:

"carnosine trials."

The combination matters.

A 2014 Study Reported Physical and Cognitive Signals

One double-blind trial enrolled 56 adults aged 65 and older.

Participants received either placebo or a chicken-meat extract containing anserine and carnosine for 13 weeks.

The supplement provided approximately:

1 gram per day of the combined dipeptides

in a roughly:

2:1 anserine-to-carnosine ratio. [7]

Fifty-one participants completed follow-up.

Researchers reported statistically significant differences in some—but not all—physical and cognitive outcomes.

Two of six Senior Fitness Test measures improved relative to placebo, and selected cognitive scores also changed. [7]

The investigators described the findings as promising and explicitly called for further research.

That is the appropriate tone.

Another Trial Found Better Preservation of Verbal Memory

A separate double-blind randomized study examined healthy adults aged 60–78.

Participants took:

1 gram per day

of an anserine/carnosine formulation in a:

3:1 ratio

for three months. [8]

Thirty-nine participants completed follow-up testing.

The researchers reported better preservation of delayed verbal recall in the supplementation group compared with placebo.

They also measured changes in inflammatory signaling. [8]

This finding is intriguing.

But again:

The intervention contained both anserine and carnosine.

The result cannot be assigned specifically to carnosine alone.

Several Cognitive Papers Come From Related Research Programs

This is another place where a casual literature search can exaggerate the amount of evidence.

Related studies from Japanese research groups have reported:

• Verbal-memory findings
• Changes in inflammatory chemokines
• Functional brain-connectivity changes
• Brain-blood-flow findings
• Analyses in people carrying APOE ε4
• Trials involving mild cognitive impairment [8–10]

Those publications are scientifically useful.

But multiple papers can sometimes analyze different outcomes or subgroups from related randomized cohorts.

That means:

ten papers do not necessarily mean ten independent clinical trials.

When assessing an evidence base, count participants and independent interventions—not just publication titles.

Does Anserine/Carnosine Prevent Cognitive Decline?

We cannot say that.

Some randomized studies have reported favorable findings in selected memory outcomes.

That is not the same as proving prevention of:

• Dementia
• Alzheimer's disease
• Mild cognitive impairment
• Age-related cognitive decline

Those are much larger clinical claims requiring larger, longer, replicated trials with appropriate clinical endpoints.

A three-month memory-test difference is not equivalent to preventing a neurodegenerative disease.

A 2023 Trial Adds an Important Caution to the Cognitive Story

A larger randomized study published in 2023 tested beta-alanine in 100 older adults with an average age of about 71.

Participants received:

2.4 g/day beta-alanine

or placebo

for:

10 weeks. [5]

Researchers measured:

• Montreal Cognitive Assessment scores
• Stroop performance
• Mood
• Anxiety
• Depression scores
• Grip strength
• Sit-to-stand performance

The overall cognitive result was not a simple positive.

Overall MoCA Scores Did Not Differ Between Groups

When all participants were analyzed together, there was no significant difference between beta-alanine and placebo in overall MoCA scores. [5]

However, the researchers then examined participants whose baseline MoCA score was 26 or below.

In that subgroup, beta-alanine participants showed greater improvements at the midpoint and end of the study compared with placebo. [5]

That is interesting.

But subgroup findings need more caution than a clearly positive primary whole-group result.

They are useful for generating better hypotheses.

They are not sufficient to say:

"Beta-alanine improves cognition in older adults."

Physical Function Was Neutral in the 2023 Trial

The same 2023 study found no significant beta-alanine advantage in:

• Grip strength
• Timed sit-to-stand
• Sit-to-stand peak power
• Mean power
• Fatigue rate [5]

That result fits the newer systematic review.

Carnosine-related interventions may have a clearer physiological connection to fatigue-limited exercise capacity than to ordinary strength or short functional tests.

The findings do not support a broad claim that more carnosine automatically makes older adults stronger.

This Is What Mixed Evidence Looks Like

A mixed evidence base does not mean the science is useless.

It means the outcome matters.

Consider the pattern:

That is a much more useful summary than labeling the research simply "positive" or "negative."

What Does the New 2026 Oral-Carnosine Trial Add?

A large new randomized trial published in 2026 adds an interesting piece to the direct oral-carnosine literature.

Researchers randomized 299 participants to:

• Placebo
• 2 grams per day of carnosine

and followed physical-performance measures over approximately 12 weeks. [11]

The tests included:

• Hand-grip strength
• Bilateral calf raises to exhaustion
• Two-minute step test
• Gait speed

This is notable because the intervention was carnosine itself, not beta-alanine or an anserine/carnosine blend.

The 2026 Results Were Selective, Not Universal

The researchers did not find broad improvement across every measure.

At roughly six weeks, participants younger than 40 in the carnosine group improved bilateral calf-raise performance.

At approximately 12 weeks, men over 40 taking carnosine completed more steps in the two-minute step test than placebo.

There were no significant carnosine-versus-placebo differences across the other physical-performance measures, including grip strength.

The benefits also appeared to be limited to males in the study's subgroup analyses. [11]

This study is valuable.

But it should not be marketed as an "older adult trial."

The age subgroup was over 40, which includes middle-aged adults and does not isolate a conventional 65+ population.

Why the 2026 Study Still Matters

It answers a question that much of the older-adult literature does not:

Can direct oral carnosine itself influence physical performance in humans?

The answer appears to be:

Possibly for selected repetitive endurance tasks in selected groups.

It does not support:

Carnosine improves all physical performance.

It also reinforces a pattern seen elsewhere:

Benefits appear more plausible in repetitive endurance or fatigue tasks than in a single maximal-strength measurement.

That is mechanistically coherent with carnosine's role in muscle.

Is Oral Carnosine the Same as Beta-Alanine?

No.

Even when the ultimate biology overlaps, the interventions are different.

Beta-alanine:

1. Is absorbed
2. Becomes available to tissue
3. Enters the muscle-carnosine synthesis pathway
4. Is joined with histidine by CARNS1

Oral carnosine:

1. Is ingested as the already-formed dipeptide
2. Encounters digestion and carnosinase metabolism
3. Can contribute to circulating or tissue carnosine-related pools through a different pharmacokinetic route

And topical carnosine begins from yet another route.

Do not use one delivery route to prove another.

Does Carnosine Prevent Sarcopenia?

There is not enough human evidence to say that.

Sarcopenia is not simply "low carnosine."

It involves age-related changes in:

• Muscle strength
• Muscle quantity or quality
• Motor units
• Neuromuscular function
• Physical activity
• Protein metabolism
• Muscle-fiber characteristics
• Hormonal and inflammatory signaling

Increasing muscle carnosine may modify one part of exercise physiology.

That does not demonstrate treatment or prevention of sarcopenia.

Resistance training and appropriate nutrition have much stronger evidence for preserving muscle function with age.

Does Carnosine Prevent Falls?

Not established.

An older beta-alanine study suggested that improved fatigue resistance might theoretically matter for independence and fall prevention. [2]

That was a hypothesis based on the physiological outcome.

The trial did not demonstrate fewer falls.

A change in fatigue threshold should never be rewritten as:

"Reduces fall risk."

To prove fall prevention, researchers would need to measure actual fall outcomes in an appropriately designed study.

Does Carnosine Improve Walking?

The evidence is not strong enough for a general claim.

The direct 2026 carnosine study measured gait speed and did not find a broad carnosine-versus-placebo improvement. [11]

Earlier beta-alanine studies often focused instead on cycling fatigue thresholds and time-to-exhaustion tests.

This is why the research question around carnosine and walking performance in older adults needs to remain cautious.

The research question is still open.

Does Carnosine Make Older Muscle "Younger"?

No human study supports that claim.

Older muscle can synthesize more carnosine.

That is not the same as reversing:

• Motor-unit loss
• Type II fiber atrophy
• Muscle-quality changes
• Mitochondrial aging
• Loss of muscle mass
• Loss of power

Healthy aging is not one biochemical switch.

Carnosine is one molecule inside a much larger system.

What Should Active Older Adults Take From the Research?

Three ideas are especially useful.

1. Older muscle remains adaptable

The 85.4% muscle-carnosine increase in the 60–80-year-old beta-alanine trial is a good example.

Age does not eliminate the ability of muscle chemistry to respond. [1]

2. Match the intervention to the outcome

If a study improves time to exhaustion, call it an exercise-capacity finding.

Do not turn it into a strength claim.

3. Do not let supplements outrank training

The strongest practical intervention for maintaining physical capacity remains regular physical activity—including resistance training appropriate to the individual.

The carnosine literature belongs on top of that foundation, not in place of it.

Where Does LactiGo Fit?

LactiGo creates another evidence category:

topical carnosine.

The product has direct peer-reviewed human performance research.

In the 2025 randomized crossover trial, seven world-class rugby sevens players applied 10 mL of topical carnosine gel 40 minutes before completing an intermittent high-intensity cycling protocol. [12]

Higher peak power was observed in selected sprints.

Mean power, heart rate and perceived exertion did not show treatment effects.

That is legitimate product-specific human evidence.

But the participants were elite athletes.

They were not an older-adult cohort.

The LactiGo Study Cannot Be Turned Into an Aging Study

The 2025 trial does not establish that LactiGo:

• Restores age-related muscle carnosine
• Improves walking in older adults
• Prevents sarcopenia
• Prevents falls
• Improves older-adult strength
• Improves cognition
• Reverses muscle aging

Those outcomes were not studied.

The authors also did not directly measure whether topical use increased intramuscular carnosine concentration. [12]

That remains an important unanswered question.

What the LactiGo Science Page Adds

The LactiGo Science page describes the product as part of a before-and-after activity routine, including application to muscle groups planned for training or recovery.

It also presents a roughly 45-minute pre-activity timing framework. [13]

That fits naturally with active aging:

An older adult may still:

• Strength train
• Cycle
• Hike
• Play tennis
• Play pickleball
• Golf
• Do demanding yard work

LactiGo should therefore not be framed only as a post-exercise product.

But keep the source distinction clear:

Peer-reviewed LactiGo trial

40 minutes before exercise, with measured intermittent-sprint performance.

LactiGo Science page

Brand-described ~45-minute application framework and product-science positioning.

Do not merge those into a claim that intramuscular carnosine has been proven to peak 40–45 minutes after topical application.

It has not.

The Bottom Line

Human research on carnosine in older adults is real.

But it is smaller and more specific than the marketing language surrounding carnosine sometimes suggests.

The clearest physiological finding is that older muscle can still build substantially more carnosine.

In adults aged 60–80, 12 weeks of beta-alanine increased measured muscle carnosine by an average of 85.4%. [1]

That trial also improved selected time-to-exhaustion measures.

Other studies have reported improvements in physical working capacity at a fatigue threshold. [2,3]

But the pattern stops being consistent when the outcome changes.

Beta-alanine has not convincingly improved:

• Maximal strength
• Grip strength
• Routine functional performance
• Activities of daily living

across the limited older-adult literature. [4–6]

The newest systematic review found only five eligible trials involving 163 older adults and concluded that exercise capacity may improve, while strength and functional performance do not appear to show the same benefit. [6]

Cognitive research adds another layer.

Trials using anserine/carnosine combinations have reported promising findings in selected verbal-memory outcomes. [7–10]

But those are combination products, the studies remain relatively small, and multiple publications sometimes arise from related research cohorts.

That evidence does not prove prevention of dementia or age-related cognitive decline.

A new 2026 trial testing 2 grams per day of oral carnosine in 299 participants adds useful direct-carnosine evidence. It found selected endurance improvements in certain age and sex subgroups, but not broad improvements in grip strength, gait speed or every performance test. [11]

And it was not specifically an older-adult trial.

Taken together, the human evidence supports a careful conclusion:

Carnosine biology remains responsive with age.

Increasing muscle carnosine may help certain fatigue-limited exercise tasks.

Direct carnosine/anserine research has produced interesting cognitive signals.

But:

Carnosine has not been shown to reverse aging, treat sarcopenia, prevent falls, preserve independence or prevent cognitive decline.

LactiGo adds a separate topical research question.

Its direct human performance study used pre-exercise application and found higher peak power in selected sprints—but in elite rugby players, not older adults. [12]

That distinction should stay intact.

The goal is not to make carnosine sound less interesting.

It is to make the evidence useful.

Frequently Asked Questions

Has carnosine been studied in older adults?

Yes. Human studies have examined muscle carnosine, beta-alanine supplementation, oral anserine/carnosine combinations, cognition and physical performance in older adults.

Can older adults increase their muscle carnosine?

Yes. In one randomized trial of adults aged 60–80, 12 weeks of beta-alanine increased muscle carnosine by an average of 85.4%. [1]

Does beta-alanine improve exercise capacity in older adults?

It may improve some fatigue-limited exercise-capacity measures. A 2025 systematic review found a possible benefit for exercise capacity across a small evidence base. [6]

Does beta-alanine make older adults stronger?

Current evidence does not show a convincing general improvement in muscle strength. [4–6]

Does beta-alanine improve everyday function?

Not consistently. Measures such as Timed Up and Go, grip strength, sit-to-stand and activities-of-daily-living tests have often shown neutral results. [1,4–6]

Why might exercise capacity improve without strength improving?

Carnosine's intracellular-buffering role is more relevant to certain fatigue-producing exercise tasks than to a brief maximal-strength effort.

Has carnosine been studied for memory?

Yes, but many studies used combinations of anserine and carnosine rather than carnosine alone. Some have reported favorable findings in selected verbal-memory outcomes. [7–10]

Does carnosine prevent dementia?

That has not been established.

Does carnosine prevent mild cognitive impairment?

That has not been established. Some trials have investigated cognitive outcomes, but the evidence is not sufficient to support prevention claims.

Does beta-alanine improve cognition?

Evidence is preliminary. A 2023 randomized trial found no overall beta-alanine advantage in MoCA scores, although an exploratory subgroup with lower baseline scores showed improvement relative to placebo. [5]

Has oral carnosine itself been tested recently?

Yes. A 2026 randomized trial gave 2 g/day carnosine to 299 participants and found selected improvements in repetitive endurance tests in certain subgroups, without broad improvement across all physical-performance measures. [11]

Was the 2026 carnosine trial specifically an older-adult study?

No. Some analyses included participants over age 40, which should not be treated as equivalent to a conventional older-adult population.

Does carnosine prevent sarcopenia?

There is not sufficient human evidence to say that it prevents or treats sarcopenia.

Can carnosine prevent falls?

That has not been demonstrated in human fall-outcome trials.

Is beta-alanine the same as carnosine?

No. Beta-alanine is a precursor used by muscle to synthesize carnosine.

Is oral carnosine the same as topical carnosine?

No. The routes, metabolism and delivery questions are different and require separate evidence.

Has LactiGo been studied in older adults?

The peer-reviewed LactiGo performance trial was conducted in seven world-class rugby sevens players, not an older-adult cohort. [12]

Can LactiGo be used before activity?

LactiGo has direct product-specific research using application 40 minutes before exercise, while the LactiGo Science page describes a roughly 45-minute pre-activity framework. [12,13]

Does LactiGo increase muscle carnosine in older adults?

That has not been demonstrated in applicable human research.

Does LactiGo treat muscle aging?

No evidence discussed in this article establishes LactiGo as a treatment for age-related muscle loss or sarcopenia.

External References

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2. Stout JR, Graves BS, Smith AE, et al. The effect of beta-alanine supplementation on neuromuscular fatigue in elderly (55–92 Years): a double-blind randomized study. Journal of the International Society of Sports Nutrition. 2008;5:21. PMID: 18992136. PMCID: PMC2585553. DOI: 10.1186/1550-2783-5-21. PubMed
3. McCormack WP, Stout JR, Emerson NS, et al. Oral nutritional supplement fortified with beta-alanine improves physical working capacity in older adults: a randomized, placebo-controlled study. Experimental Gerontology. 2013;48(9):933–939. PMID: 23832078. DOI: 10.1016/j.exger.2013.06.003. PubMed
4. Bailey CH, Signorile JF, Perry AC, Jacobs KA, Myers ND. Beta-Alanine Does Not Enhance the Effects of Resistance Training in Older Adults. Journal of Dietary Supplements. 2018;15(6):860–870. PMID: 29336621. DOI: 10.1080/19390211.2017.1406422. PubMed
5. Ostfeld I, Ben-Zeev T, Zamir A, et al. Role of β-Alanine Supplementation on Cognitive Function, Mood, and Physical Function in Older Adults; Double-Blind Randomized Controlled Study. Nutrients. 2023;15(4):923. PMID: 36839281. PMCID: PMC9960300. DOI: 10.3390/nu15040923. PubMed
6. de Camargo JBB, Brigatto FA. Beta-Alanine for Improving Exercise Capacity, Muscle Strength, and Functional Performance of Older Adults: A Systematic Review. Journal of Aging and Physical Activity. 2025;33(4):399–407. PMID: 39724872. DOI: 10.1123/japa.2024-0118. PubMed
7. Szcześniak D, Budzeń S, Kopeć W, Rymaszewska J. Anserine and carnosine supplementation in the elderly: Effects on cognitive functioning and physical capacity. Archives of Gerontology and Geriatrics. 2014;59(2):485–490. PMID: 24880197. DOI: 10.1016/j.archger.2014.04.008. PubMed
8. Hisatsune T, Kaneko J, Kurashige H, et al. Effect of Anserine/Carnosine Supplementation on Verbal Episodic Memory in Elderly People. Journal of Alzheimer's Disease. 2016. PMID: 26682691. PubMed
9. Ding Q, Tanigawa K, Kaneko J, et al. Anserine/Carnosine Supplementation Preserves Blood Flow in the Prefrontal Brain of Elderly People Carrying APOE e4. Aging and Disease. 2018. PMID: 29896423. PubMed
10. Masuoka N, Lei C, Li H, et al. Effects of Anserine/Carnosine Supplementation on Mild Cognitive Impairment with APOE4. Nutrients. 2019. PMID: 31319510. PubMed
11. O'Toole TE, Wingard CJ, Bariess SK, et al. Effects of carnosine supplementation on physical endurance: a placebo-controlled randomized clinical trial. Journal of the International Society of Sports Nutrition. 2026;23(1):2679716. PMID: 42308284. PMCID: PMC13276806. DOI: 10.1080/15502783.2026.2679716. PubMed
12. Beaven CM, James C, McMaster DT, Brockelbank N. Topical carnosine gel improves intermittent high-intensity exercise performance in world-class rugby sevens players. Journal of the International Society of Sports Nutrition. 2025;22(1):2550311. PMID: 40859880. PMCID: PMC12427510. DOI: 10.1080/15502783.2025.2550311. PubMed
13. LactiGo. The Science Behind Transdermal Carnosine Gel. Use for current product application framework, pre-activity positioning and brand science context. LactiGo Science