Nature's Bounty L-Carnitine 500 mg supplement bottle
Nature's Bounty

L-Carnitine 500 mg

What We Researched
1 active ingredient analyzed · 5 inactive ingredients decoded · 6 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
100
Product Score Excellent
86
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
L-Carnitine (as L-Carnitine L-Tartrate) 500 mg †
Bioavailability Excellent

Absorption Rating

  • L-Carnitine (as L-Carnitine L-Tartrate) Good
Other Ingredients Excellent

Fillers & Additives

  • Vegetable Cellulose
  • Stearic Acid
  • Polyvinyl Alcohol
  • Silica
  • Contains <2% of
Efficacy Excellent

Dosage Analysis

  • L-Carnitine (as L-Carnitine L-Tartrate) 500 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
L-Carnitine (as L-Carnitine L-Tartrate) 500 mg †

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Vegetable Cellulose Safe

Forms a vegetarian capsule shell alternative to gelatin.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Polyvinyl Alcohol Generally_safe

It is used as a coating for tablets or capsules.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Contains <2% of Unknown

Price Comparison

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Nature's Bounty

Founded 1971 · Ronkonkoma, New York, USA · 156 products · naturesbounty.com

Certifications

6 certifications
Clean Label Project Verified Source
Consumerlab Verified
Health Canada Licensed Verified Source
Labdoor Verified Source
Usda Organic Verified Source
Fda Gmp Inspections Verified Source

Transparency

3 claims
Third Party Testing Claim — Verified Source
In House Testing — Verified Source

Violation History

1 incident
Recall Nature's Bounty Kids Multivitamin Gummies2023-06-02Source
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Frequently Asked Questions
Is Nature's Bounty L-Carnitine 500 mg a good supplement?

Nature's Bounty L-Carnitine 500 mg 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 Of the 5 inactive ingredients, 3 are rated safe and 0 are flagged for review. The manufacturer, Nature's Bounty, holds a brand trust score of 86/100 with 6 verified certifications including Clean Label Project, Consumerlab, Health Canada Licensed, Labdoor.

What are the ingredients in Nature's Bounty L-Carnitine 500 mg?

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

Is Nature's Bounty L-Carnitine 500 mg safe to take?

Nature's Bounty L-Carnitine 500 mg has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Nature's Bounty a trustworthy supplement brand?

Nature's Bounty receives a brand trust score of 86/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1971 and headquartered in Ronkonkoma, New York, USA, the company offers 156 products in their lineup. They hold 6 verified certifications including Clean Label Project, Consumerlab, Health Canada Licensed, Labdoor. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Nature's Bounty has 1 historical regulatory incident 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. 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.