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Core Nutritionals Acetyl L-Carnitine supplement bottle
Core Nutritionals

Acetyl L-Carnitine Review

What We Researched
1 active ingredient analyzed · 2 inactive ingredients decoded · 1 brand certification checked · Page generated: Sep 2026
100
Product Score Excellent
72
Brand Score Fair

Two independent scores — the product and the brand behind it, never blended into one number. See our methodology.

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Acetyl-L-Carnitine 500 mg †
Bioavailability Excellent

Absorption Rating

  • Acetyl-L-Carnitine Good
Other Ingredients Excellent

Fillers & Additives

  • Gelatin
  • Magnesium Stearate
Efficacy Excellent

Dosage Analysis

  • Acetyl-L-Carnitine 500 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Acetyl-L-Carnitine 500 mg †

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Gelatin Safe

Forms the capsule shell that holds the supplement contents.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Brand Trust Report
Core Nutritionals

Founded 2005 · Statesville, North Carolina, United States · 288 products · corenutritionals.com/

Certifications

1 certification
Informed Sport Supporting evidence unavailable

Transparency

3 claims
Third Party Testing Claim — Claimed Evidence available Evidence
Testing Lab Disclosure — True Brand claim; evidence unavailable

Violation History

4 incidents
Prop 65 Lead, Cadmium2021-05-07 Source available Primary source
Prop 65 Lead2017-09-29 Source available Primary source
Lawsuit Protein spiking and false advertising of protein content in 'Core 8' protein powder.2017 Source available Primary source
Fda Warning Details of the specific violations are not available in the closeout letter.2015-04-24 Source available Primary source
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Frequently Asked Questions
Is Core Nutritionals Acetyl L-Carnitine a good supplement?

Core Nutritionals Acetyl L-Carnitine received a product quality score of 100/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 1 active ingredients with 100 servings per container. All 2 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Core Nutritionals, holds a brand trust score of 72/100.

What are the ingredients in Core Nutritionals Acetyl L-Carnitine?

Core Nutritionals Acetyl L-Carnitine contains 1 active ingredients: Acetyl-L-Carnitine (500 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Core Nutritionals Acetyl L-Carnitine safe to take?

GoodSupp reviewed the inactive-ingredient data available for Core Nutritionals Acetyl L-Carnitine. All 2 inactive ingredients — including capsule materials, fillers, and binders — are currently classified as safe in GoodSupp's ingredient reference data. This label analysis cannot determine whether the product is safe for a particular person, and source labels may change. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Core Nutritionals a trustworthy supplement brand?

Core Nutritionals receives a brand trust score of 72/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2005 and headquartered in Statesville, North Carolina, United States, the company offers 288 products in their lineup. Note: Core Nutritionals has 4 historical regulatory incidents on record, which are factored into the trust score.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records — read our methodology. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.