Acetyl L-Carnitine 500 mg®

Non-Nutrient / Non-Botanical

Brand: Source Naturals

Tablet or PillNon-Nutrient/Non-BotanicalOn Market

Functions

Energy & Metabolism

Product label for Acetyl L-Carnitine 500 mg — Click to view full label

Net Contents

60 Tablet(s)

Serving Size

1 Tablet(s)

Servings Per Container

Supplement Form

Tablet or Pill

Bar Code (UPC/SKU)

0 21078 00499 8

Product Version

SN0499 REV E201

Label Analysis

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

1Active Ingredients

Single-ingredient formula listed in Supplement Facts.

100%Amount Transparency

Every active ingredient discloses a specific amount per serving.

2Dietary Attributes

Label states: Vegetarian, Gluten-Free.

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

Allergen Guide

Contains

Milk
Egg
Wheat
Soy
Gluten

Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.

Supplement Facts

Serving Size: 1 Tablet(s) · 1–2 per day

Ingredient	Amount Per Serving
Acetyl L-Carnitine HCl	500 mg	—

Not Present

Other Ingredients

SorbitolStearic Acidmodified Cellulose GumMagnesium Stearate

Target Groups

VegetarianAdult (18 - 50 Years)Gluten FreeDairy FreeSugar Free

Label Claims

All OtherStructure/Function

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Suggested Use: 1 tablet 1 to 2 times daily.

Warnings & Precautions

Precautions re: Pregnant or Nursing or Prescription Medications

Note: If you are pregnant, may become pregnant, or breastfeeding, consult your health care professional before using this product.

Precautions re: All Other

Do not use if either tamper-evident seal is broken or missing.

Precautions re: Children

Keep out of the reach of children.

Formulation

Formula re: Contains

Acetyl l-carnitine assists the critical conversion of choline into acetylcholine. Acetylcholine is one of the most important neurotransmitters necessary for memory, learning, concentration and muscle movement.

Formulation re: Vegetarian/Vegan

Suitable for vegetarians.

Formulation re: Does NOT Contain

Contains no yeast, dairy, egg, gluten, soy or wheat. Contains no sugar, preservatives, or artificial color, flavor or fragrance.

FDA Statements

FDA Statement of Identity

Dietary Supplement

FDA Disclaimer Statement

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

Other Label Statements

Brand IP Statement(s) re: (c), (TM), (SM)

Manufacturer & Distributor

Distributor

Source Naturals, Inc.

P. O. Box 2118, Santa Cruz, CA, 95062

Market Reference

$9.99 – $89.99· 40 listings

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$45.96
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Target4.5(27)
$13.99
Best Naturals Acetyl L-Carnitine 500 mg 120 Capsules
Target5.0(7)
$24.99
Acetyl L-carnitine 500 Mg Dietary Supplement
Mothers Market & Kitchen
$15.19
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The Vitamin Shoppe4.1(22)
$42.99
Acetyl-L Carnitine 500 mg Amino Acid Suppots Brain & Nerve Health
Heivy
$18.59

Where to Buy Locally

Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.

Showing representative supplement & health retailers — search above for stores in your area.

GNC
3.6 (59)
Vitamin & supplements store
69 W Towne Mall, Madison, WI 53719
Directions (608) 833-1900
The Healthy Place
4.7 (114)
Vitamin & supplements store
550 Junction Rd, Madison, WI 53717
Directions (608) 203-5245
Embrace Wellness
4.9 (112)
Vitamin & supplements store
8309 Murphy Dr, Middleton, WI 53562
Directions (608) 833-4300
Community Wellness Shop
4.9 (41)
Vitamin & supplements store
6333 University Ave, Middleton, WI 53562
Directions (608) 310-5390
Walgreens
2.7 (213)
Vitamin & supplements store
7810 Mineral Point Rd, Madison, WI 53717
Directions (608) 833-1222
The Healthy Place
4.8 (439)
Vitamin & supplements store
6313 McKee Rd Suite 100, Fitchburg, WI 53719
Directions (608) 663-2640
The Vitamin Shoppe
4.5 (89)
Vitamin & supplements store
4620 E Washington Ave, Madison, WI 53704
Directions (608) 242-9146
Pro Nutrition
4.9 (67)
Vitamin & supplements store
1261 Cabela Dr #103, Sun Prairie, WI 53590
Directions (608) 318-1130

Research & Studies

N-acetylcysteine, Acetyl-L-carnitine, and Citicoline: A Potential Synergism in Neurological and Psychiatric Disorders
M Alborghetti, M Caridi, G Mascio… - Current …, 2026 - benthamdirect.com
… the efficacy of ALC 500 mg per day bid intramuscular for 2 weeks, and 500 mg per day tid … in the general and mental health of the affected patients [101]. ALC (500 mg tid) demonstrated …
2026
Role of carnitine in disease.
JL Flanagan, PA Simmons, J Vehige… - Nutrition & …, 2010 - peirsoncenter.com
… Similarly, carnitine/acetyl-L-carnitine has been used in … However acetylL-carnitine was not found to benefit young … mOsm compared with 302 mOsm in healthy controls [162]. Corrales …
2010883 citations
Carnitine for fatigue in multiple sclerosis
AM Tejani, M Wasdell, R Spiwak… - Cochrane database …, 2012 - cochranelibrary.com
… experts and a manufacturer (Source Naturals, United States) … to both acetyl L‐carnitine 2 grams daily and amantadine 200 mg … and taught in evidence-based health care as a strategy for …
201278 citations
Effects of L-Carnitine Supplementation on Renal Anemia in Poor Responders to Erythropoietin
Y Matsumoto, I Amano, S Hirose, Y Tsuruta, S Hara… - Blood purification, 2001 - karger.com
… We examined whether L-carnitine treatment could raise … to EPO were selected to receive oral L-carnitine (500 mg/day) in a 3-… anemia and that oral L-carnitine treatment could improve …
2001104 citations
Neuropsychiatric manifestations of Covid-19 disease and post Covid syndrome: the role of n-acetylcysteine and acetyl-l-carnitine
T Barlattani, G Celenza, A Cavatassi… - Current …, 2025 - benthamdirect.com
… Acetyl-L-carnitine (ALC) is the acetylated version of L-carnitine, a naturally occurring amino acid derivative essential for energy production. This acetylation enhances ALC's ability to …
202519 citations
Anti-inflammatory, Antioxidant, and Anti-apoptotic Effects of Carnitine
N Nakayama - Carnitine Deficiency and Insufficiency in Medicine, 2026 - Springer
… beneficial to health, and some are used as dietary supplements. … shrimp [12], L-carnitine, acetyl-L- carnitine and carnosine [9, 10] … L-carnitine, acetyl-L-carnitine, and propionyl-Lcarnitine …
2026

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2022-08-23. DSLD Label ID: 274462. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.