L-Carnosine 500 mg

L-Carnosine 500 mg

Natural Factors4.8 (1,066 ratings)
Format:Capsule Quantity: 60 Capsule(s) · 60 servings
Goals
$24.47 $0.40 per serving

Product analysis

64 out of 100

L-Carnosine 500 mg offers a simple carnosine option at a favorable cost for the amount, although its healthy-aging benefits remain uncertain.

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

Nutrient Quality27

Carnosine form quality remains uncertain because its form is not specified. Vitamin C is identified as ascorbic acid, but no clear form-quality advantage is established.

Ingredient Transparency81

Both ingredient amounts are stated, making the quantities easy to compare. Carnosine lacks a specified form, leaving that part of the label less clear.

Value For Money79

The cost for the stated carnosine amount looks favorable. Vitamin C value remains uncertain, so the clearest value comes from carnosine.

Customer Satisfaction84

Buyers give very positive feedback across a substantial number of ratings. Those opinions do not establish slower aging or a longer life.

Product Focus74

The formula stays closely focused on carnosine and interest in healthy aging. Its antioxidant roles do not establish longer life or preserved function in healthy adults.

Format
Capsule
Container
60 Capsule(s)
Per serving
$0.40
Customer rating
4.8 · 1,066 ratings
Report analysis

Goals

Longevity
Impact
High effect
B+ Ingredient FitD- PathwaysB- EvidenceA+ Formulation Logic
Carnosine · 500 mg
Study evidence
Carnosine Supportive 6 studies
Vitamin C Supportive 30 studies

Ingredients

IngredientAmount per servingScore
Vitamin C (Ascorbic Acid)
25 mg
L-Carnosine
500 mg 94
Gluten Free Adults 18–50 Vegan Dairy Free Sugar Free Vegetarian
Report overview
Carnosine · 500 mg OverallScore94
A Active Ingredient Quality & BioavailabilityA Dose, Safety & Label TransparencyA+ Value
A serving provides 500 mg L-carnosine, with a low cost per 500 mg. The label specifies the L form. The available information indicates common additives.
How this ingredient is rated

Active Ingredient Quality & Bioavailability94

The label specifies L-carnosine. The available information indicates common additives.
L-Isomer and Dipeptide Specificity
The label specifies L-carnosine.
Purity and Clean Labeling
The available information indicates common additives.

Dose, Safety & Label Transparency90

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

Value100

The cost per 500 mg of L-carnosine is low.
Price per 500mg L-Carnosine
The cost per 500 mg of L-carnosine is low.
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
  6. Study on the Multiple Efficacies of Vitamin C Serum in Anti-Glycation, Anti-Carbonylation, Antioxidation, and Anti-Inflammation of Human Skin Based on In Vivo Tests.
    Zi Y; Liu J; Liu Q; Pan Y; Jiang X · Journal of cosmetic dermatology · 2026
    Randomized trial66 participantsLongevity forVitamin C
  7. Evaluation of the anti-wrinkle effect of a lipophilic pro-vitamin C derivative, tetra-isopalmitoyl ascorbic acid.
    Yokota M; Yahagi S · Journal of cosmetic dermatology · 2022
    Randomized trial69 participantsLongevity forVitamin C
  8. The role of vitamin C in pushing back the boundaries of skin aging: an ultrasonographic approach.
    Crisan D; Roman I; Crisan M; Scharffetter-Kochanek K; Badea R · Clinical, cosmetic and investigational dermatology · 2015
    Clinical trial60 participantsLongevity forVitamin C
  9. In vivo evaluation of topical ascorbic acid application on skin aging by 50 MHz ultrasound.
    Vergilio MM; Aiello LM; Furlan AS; Caritá AC; Azevedo JR; Bolzinger MA; Chevalier Y; Leonardi GR · Journal of cosmetic dermatology · 2022
    Randomized trial25 participantsLongevity forVitamin C
  10. Clinical Applications of Vitamin C in Dermatology: A Systematic Review.
    Boghosian T; Mendez H; Boghosian N; Sayegh M; Beer J; Tosti A · The Journal of clinical and aesthetic dermatology · 2026
    Systematic review44 studies pooledLongevity forVitamin C