L-Carnosine 500 mg

L-Carnosine 500 mg

NOW4.7 (6,818 ratings)
Format:Capsule Quantity: 50 Capsule(s) · 50 servings
Goals
$18.27 $0.36 per serving
AmazonLowest$18.27Daily Vita$18.50iHerb$19.58Vitacost$20.95

Product analysis

76 out of 100

L-Carnosine 500 mg offers a focused carnosine option with a favorable serving cost. Its antioxidant-related properties do not establish longer life or lasting preservation of function.

AI assessment of the formula, label and price. How scoring works

Nutrient Quality40

The carnosine form is clearly named. Comparative form quality remains unresolved, so the description does not establish an advantage over alternatives.

Ingredient Transparency100

Both the carnosine amount and form are stated. The clear single-ingredient description makes the serving easy to compare.

Value For Money100

Carnosine offers favorable value for the amount supplied. That gives the supplement a clear cost strength for someone specifically seeking carnosine.

Customer Satisfaction89

Customer ratings are favorable across thousands of reviews. The substantial feedback indicates satisfaction without proving longevity effects.

Product Focus74

The single ingredient keeps the intended longevity focus straightforward. Its biological properties and limited trial findings do not establish longer life, and the serving differs from the amount used in the reviewed trial.

Format
Capsule
Container
50 Capsule(s)
Per serving
$0.36
Customer rating
4.7 · 6,818 ratings
Report analysis

Goals

Longevity
Longevity
Impact
High effect
B+ Ingredient FitD- PathwaysB- EvidenceA+ Formulation Logic
Carnosine · 500 mg

Carnosine has antiglycation and antioxidant mechanisms, but those do not establish durable preservation of function or longer life. The reviewed metabolic pilot used 2 g daily in overweight adults, which does not validate this 500 mg per serving as an anti-aging dose. The saved findings recognize a partial amount contribution without resolving that clinical limitation.

How this product is rated for Longevity

Ingredient fit80

Carnosine gives the formula a focused connection to the goal. Amounts receive partial recognition overall; the serving does not establish a complete studied regimen or extra benefit.
Goal fit
Carnosine gives the formula a focused connection to the goal.
Dose adequacy
Amounts receive partial recognition overall; the serving does not establish a complete studied regimen or extra benefit.

Pathways40

Carnosine receives a partial cellular-repair finding, while human preservation of function remains unestablished. Only one pathway reaches the saved breadth threshold, leaving broad coverage limited.
Depth
Carnosine receives a partial cellular-repair finding, while human preservation of function remains unestablished.
Breadth
Only one pathway reaches the saved breadth threshold, leaving broad coverage limited.

Evidence74

Carnosine's metabolic and mechanistic findings do not establish durable human anti-aging effects. Preparation recognition is favorable.
Evidence strength
Carnosine's metabolic and mechanistic findings do not establish durable human anti-aging effects.
Studied preparation
The saved finding accepts the counted preparation; this does not extend evidence beyond the specific studied outcomes.

Formulation logic100

No required partner is missing among the counted ingredients, and no configured conflict was identified. All counted ingredients pass the saved amount threshold, which is not proof of clinical effectiveness.
Partner coverage
The counted ingredients work independently or have their required partner; no added combination benefit is established.
Conflicts
No configured ingredient conflict was identified; this does not assess every possible interaction.
Effective doses
All counted ingredients pass the saved amount threshold, which is not proof of clinical effectiveness.
Study evidence
Carnosine Supportive 6 studies

Ingredients

IngredientAmount per servingScore
L-Carnosine (Beta-Alanyl-L-Histidine)
 500 mg 94
Gluten Free Adults 18–50 Vegan Kosher Dairy Free Vegetarian
Report overview
Carnosine (Beta-Alanyl-L-Histidine) · 500 mg OverallScore94
A Active Ingredient Quality & BioavailabilityA Dose, Safety & Label TransparencyA+ Value
A serving supplies 500 mg of L-carnosine. The cost is about $0.37 per 500 mg of carnosine, based on the whole-product price.
How this ingredient is rated

Active Ingredient Quality & Bioavailability94

The label identifies the ingredient as L-carnosine. The evaluation notes common additives.
L-Isomer and Dipeptide Specificity
The label identifies the ingredient as L-carnosine.
Purity and Clean Labeling
The evaluation notes common additives; it does not establish independently verified purity.

Dose, Safety & Label Transparency90

A serving supplies 500 mg of L-carnosine.
Dosage Efficacy for Anti-Glycation
A serving supplies 500 mg of L-carnosine.

Value100

The equivalent cost is about $0.37 per 500 mg of carnosine, based on the whole-product price.
Price per 500mg L-Carnosine
The equivalent cost is about $0.37 per 500 mg of carnosine, based on the whole-product price.
View ingredientView products
83 Performance

L-Carnosine

Jarrow Formulas

The larger carnosine amount offers more concentrated support than the original serving. A 1,000 mg amount of beta-alanyl-L-histidine provides concentrated, clearly identified carnosine support.

77 Performance

L-Carnosine 500 mg with R-Alpha Lipoic Acid

Dr. Mercola

Broader antioxidant coverage may suit anti-aging goals better than a carnosine-only formula. It pairs 500 mg of carnosine with 150 mg of R-alpha lipoic acid for broader antioxidant support; people using glucose-lowering medicine should note the stated interaction concern.

83 Performance

L-Carnosine 500 mg

Advance Physician Formulas

The provided goal analysis indicates especially strong anti-aging alignment in a focused formula. The focused formula provides 500 mg of precisely named beta-alanyl-L-histidine without unrelated active ingredients.

84 Budget

L-Carnosine 500 mg

Nutricost

It lowers the supplied per-serving cost while retaining meaningful carnosine support. A single-ingredient 500 mg carnosine formula keeps the serving focused and easy to assess.

86 Budget

L-Carnosine 500 mg

NOW

It lowers the supplied per-serving cost while retaining meaningful carnosine support. The focused formula supplies 500 mg of carnosine as the precisely named beta-alanyl-L-histidine form.

83 Budget

L-Carnosine 500 mg

Swanson

The supplied data do not show this option costing less per serving; it is included as one of the closest economical choices because three strictly cheaper candidates are unavailable. The formula supplies 500 mg of the clearly identified Right Age L-carnosine form.

83 Value

L-Carnosine 500 mg

Natural Factors

The supplied serving cost is not lower, but the ingredient profile provides a useful quality-to-cost trade-off among the remaining options. It keeps carnosine at 500 mg and adds 25 mg of vitamin C for modest complementary antioxidant support.

82 Value

Carnosine 500 mg

Life Extension

The supplied serving cost is not lower, but the ingredient profile provides a useful quality-to-cost trade-off among the remaining options. A single-ingredient 500 mg carnosine formula keeps the serving focused and easy to assess.

78 Value

L-Carnosine 500 mg

Source Naturals

The supplied serving cost is not lower, but the ingredient profile provides a useful quality-to-cost trade-off among the remaining options. It provides 500 mg of carnosine, although the added calcium and tablet format add little to the core purpose.

Report alternatives

Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. Anserine/Carnosine Supplementation Preserves Blood Flow in the Prefrontal Brain of Elderly People Carrying APOE e4.
    Ding Q; Tanigawa K; Kaneko J; Totsuka M; Katakura Y; Imabayashi E; Matsuda H; Hisatsune T · Aging and disease · 2020
    Randomized trial68 participantsLongevity forCarnosine
  2. Skin beautification with oral non-hydrolized versions of carnosine and carcinine: Effective therapeutic management and cosmetic skincare solutions against oxidative glycation and free-radical production as a causal mechanism of diabetic complications and skin aging.
    Babizhayev MA; Deyev AI; Savel'yeva EL; Lankin VZ; Yegorov YE · The Journal of dermatological treatment · 2013
    Randomized trial42 participantsLongevity forCarnosine
  3. Telomere Attrition in Human Lens Epithelial Cells Associated with Oxidative Stress Provide a New Therapeutic Target for the Treatment, Dissolving and Prevention of Cataract with N-Acetylcarnosine Lubricant Eye Drops. Kinetic, Pharmacological and Activity-Dependent Separation of Therapeutic Targeting: Transcorneal Penetration and Delivery of L-Carnosine in the Aqueous Humor and Hormone-Like Hypothalamic Antiaging Effects of the Instilled Ophthalmic Drug Through a Safe Eye Medication Technique.
    Babizhayev MA; Yegorov YE · Recent patents on drug delivery & formulation · 2017
    Narrative reviewLongevity forCarnosine
  4. Nutritional Strategies Targeting Glucose Metabolism to Slow Cognitive Aging: A Scoping Review of Human Trials.
    Fernando MG; Sullivan K; Simons M; Squillace A; Kiat H; Martins RN · The American journal of clinical nutrition · 2026
    Scoping review32 studies pooledLongevity forCarnosine
  5. Multinuclear MRS at 7T Uncovers Exercise Driven Differences in Skeletal Muscle Energy Metabolism Between Young and Seniors.
    Krumpolec P; Klepochová R; Just I; Tušek Jelenc M; Frollo I; Ukropec J; Ukropcová B; Trattnig S; Krššák M; Valkovič L · Frontiers in physiology · 2021
    Cross-sectional studyLongevity forCarnosine