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ProHealth Longevity Acetyl-L-Carnitine supplement bottle
ProHealth Longevity

Acetyl-L-Carnitine Review

What We Researched
1 active ingredient analyzed · 3 inactive ingredients decoded · 1 brand certification checked · Page generated: Sep 2026
100
Product Score Excellent
74
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

  • Microcrystalline Cellulose
  • Vegetable Capsule
  • Rice Flour
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.

Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

Vegetable Capsule Safe

It is used as a vegetarian alternative to gelatin capsules.

Rice Flour Safe

Natural bulking agent to fill capsule space. Hypoallergenic.

Brand Trust Report
ProHealth Longevity

Founded 1988 · Carpinteria, CA, USA · 92 products · prohealth.com/

Certifications

1 certification
Fda Gmp Inspections Source available Primary evidence

Transparency

4 claims
Third Party Testing Claim — Verified Evidence available Evidence
Coa Availability — Verified Evidence available Evidence
Testing Lab Disclosure — Claimed Brand claim; evidence unavailable

Violation History

3 incidents
Fda Warning Misbranded drug due to claims to treat, mitigate, cure, or prevent disease.2021-02-18 Source available Primary source
Lawsuit Deceptively marketing and selling a misbranded product.2021 Source available Primary source
Fda Warning Letter FDA Warning Letter Source available Primary source
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Frequently Asked Questions
Is ProHealth Longevity Acetyl-L-Carnitine a good supplement?

ProHealth Longevity 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 120 servings per container. All 3 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, ProHealth Longevity, holds a brand trust score of 74/100.

What are the ingredients in ProHealth Longevity Acetyl-L-Carnitine?

ProHealth Longevity 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 ProHealth Longevity Acetyl-L-Carnitine safe to take?

GoodSupp reviewed the inactive-ingredient data available for ProHealth Longevity Acetyl-L-Carnitine. All 3 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 ProHealth Longevity a trustworthy supplement brand?

ProHealth Longevity receives a brand trust score of 74/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1988 and headquartered in Carpinteria, CA, USA, the company offers 92 products in their lineup. Note: ProHealth Longevity has 3 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.