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L-Carnosine 500 mg

Source Naturals
4.7
★ ★ ★ ★ ★
(165 ratings)
Carnosine 500 mg
Product Image
Score78
A convenient 500 mg tablet covers focused L-carnosine use, while the small calcium addition adds little. Limited form and excipient disclosure weaken its position against simpler choices.
How scoring works
Quantity:60 Tablet(s) • (60 servings)
Goals:
Anti-Aging

Score 78

A convenient 500 mg tablet covers focused L-carnosine use, while the small calcium addition adds little. Limited form and excipient disclosure weaken its position against simpler choices.
How scoring works
$25.67($0.42 per serving)
Pure Formulas
$ 25.67
iHerb
$ 27.85
Vitacost
$ 28.35
Amazon
$ 98.50
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Analysis

One tablet provides 500 mg of L-carnosine, a practical amount for focused daily use. The active is named but not described in a more specific form.

Calcium adds 88 mg, which contributes little to the product's main role. The formula therefore remains primarily a carnosine product and does not offer broad healthy-aging coverage.

The one-tablet format is convenient, but value is only moderate beside comparable products. Full tablet excipients were not supplied, creating uncertainty for users who carefully screen binders or coatings.

Who is it for
  • Adults who prefer tablets
  • People seeking a standard carnosine amount
  • Users who do not need a fully minimalist label
Best for
  • One-tablet daily use
  • Focused glycation support
  • Users who prefer this dosage form

Pros

  • Meaningful 500 mg L-carnosine amount
  • Single-tablet serving
  • Clearly stated active quantity
  • Manageable daily routine

Cons

  • Exact carnosine form is not stated
  • Calcium adds little to the main purpose
  • Full tablet excipients were not supplied
  • Only moderate comparative value

Nutrient quality

92 Highest impact

Explicit L-carnosine labeling supports strong ingredient identity. The carnosine amount reaches a practical systemic daily serving, while the amount is substantial without being excessive.

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Ingredient transparency

79 High impact

All listed active amounts are disclosed without a hidden blend. Intake directions and inactive ingredients are not supplied.

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Customer satisfaction

62 Moderate impact

The supplied average rating is strong and comes from a small rating pool. No firsthand experiences or recurring complaint details were provided, so consistency remains uncertain.

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Value for money

75 High impact

A practical carnosine amount provides fair value. The calcium addition and tablet format add little to core carnosine quality.

.
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Goals

Anti-Aging
Anti-Aging
Impact
High effect
B Goal FitA Strength of SupportC CoverageB Formula Quality
Carnosine · 500 mg

L-carnosine directly targets glycation, a process that can damage long-lived proteins in tissues as people age. The 500 mg amount reaches a practical supplemental level in one tablet and the active form is clearly identified.

Human evidence for meaningful aging outcomes is less developed than the biochemical rationale, so expectations should remain measured. The small calcium amount adds little distinct anti-aging value but does not conflict with the main ingredient.

Study evidence
Carnosine Supportive 6 studies

Ingredients

IngredientAmount per serving
Calcium
88 mg
L-Carnosine
500 mg
Gluten Free Adults 18–50 Dairy Free Sugar Free Vegetarian
Report overview
Carnosine · 500 mg OverallScore88
A Active Ingredient Quality & BioavailabilityA Dose, Safety & Label TransparencyB- Value

The explicitly identified L-Carnosine provides a well-aligned form for systemic supplementation. A 500 mg amount in one tablet meets the clinical median while keeping daily use simple. The cost is slightly above the collection median, and the limited ingredient disclosure leaves some uncertainty about tablet excipients.

View ingredientView products
Loading alternative details
83 Performance

L-Carnosine

Jarrow Formulas
<p>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.</p>
77 Performance

L-Carnosine 500 mg with R-Alpha Lipoic Acid

Dr. Mercola
<p>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.</p>
83 Performance

L-Carnosine 500 mg

Advance Physician Formulas
<p>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.</p>
84 Budget

L-Carnosine 500 mg

Nutricost
<p>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.</p>
86 Budget

L-Carnosine 500 mg

NOW
<p>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.</p>
83 Budget

L-Carnosine 500 mg

Swanson
<p>It lowers the supplied per-serving cost while retaining meaningful carnosine support. The formula supplies 500 mg of the clearly identified Right Age L-carnosine form.</p>
85 Value

L-Carnosine 500 mg

NOW
<p>A lower supplied serving cost combines with a practical ingredient profile. The focused formula supplies 500 mg of carnosine as the precisely named beta-alanyl-L-histidine form.</p>
83 Value

L-Carnosine 500 mg

Natural Factors
<p>A lower supplied serving cost combines with a practical ingredient profile. It keeps carnosine at 500 mg and adds 25 mg of vitamin C for modest complementary antioxidant support.</p>
82 Value

Carnosine 500 mg

Life Extension
<p>A lower supplied serving cost combines with a practical ingredient profile. A single-ingredient 500 mg carnosine formula keeps the serving focused and easy to assess.</p>
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Sources

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

  1. 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 studyAnti-Aging forCarnosine
  2. 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 pooledAnti-Aging forCarnosine
  3. 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 participantsAnti-Aging forCarnosine
  4. 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 participantsAnti-Aging forCarnosine
  5. 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 reviewAnti-Aging forCarnosine