Nutricost L-Carnitine Tartrate, 240 Capsules (500 mg per Capsule) supplement bottle
Nutricost

L-Carnitine Tartrate, 240 Capsules (500 mg per Capsule)

What We Researched
1 active ingredient analyzed · 6 inactive ingredients decoded · 5 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
75
Product Score Fair
81
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
L-Carnitine Tartrate 1,000 mg *
Bioavailability Very Poor

Absorption Rating

  • L-Carnitine Tartrate Poor
Other Ingredients Excellent

Fillers & Additives

  • Gelatin Capsule
  • Corn Starch
  • Microcrystalline Cellulose
  • Organic Rice Extract Blend (Organic Rice Extract, Organic Rice Hulls, Organic Gum Arabic, Organic Sunflower Oil)
  • Magnesium Stearate (Vegetable Source)
  • Silica
Efficacy Excellent

Dosage Analysis

  • L-Carnitine Tartrate 1,000 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
L-Carnitine Tartrate 1,000 mg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Gelatin Capsule Safe

It is used as a material for making capsules.

Corn Starch Generally_safe

It is used as a filler, binder, or thickener.

Microcrystalline Cellulose Safe

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

Organic Rice Extract Blend (Organic Rice Extract, Organic Rice Hulls, Organic Gum Arabic, Organic Sunflower Oil) Safe

It is used as a filler, flow agent, or anti-caking agent.

Magnesium Stearate (Vegetable Source) Generally_safe

It is used to prevent ingredients from sticking to manufacturing equipment.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Price Comparison

iHerb $19.95 $0.17 / serving
Best Price
Vitacost $20.09 $0.17 / serving

Price History

Tracked across major retailers. Updated periodically.

$22$21$20$19$18 Mar 12 $20.09$19.95
iHerb
Vitacost

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

Brand Trust Report
Nutricost

Founded 2012 · Vineyard, Utah, USA · 897 products · nutricost.com

Certifications

5 certifications
Consumerlab Verified Source
Labdoor Verified Source
Nsf Gmp Verified Source
Usda Organic Verified Source
Fda Gmp Inspections Verified Source

Transparency

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

Violation History

4 incidents
Fda Warning Unregistered food product2024-08-23Source
Prop 65 Lead2023-12-19Source
Lawsuit Misleading advertising regarding the magnesium content in its magnesium glycinate supplement.2023Source
Lawsuit Mislabeled calorie content and undisclosed artificial flavoring in supplement powders.2022Source
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Frequently Asked Questions
Is Nutricost L-Carnitine Tartrate, 240 Capsules (500 mg per Capsule) a good supplement?

Nutricost L-Carnitine Tartrate, 240 Capsules (500 mg per Capsule) received a product quality score of 75/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 1 active ingredients with 120 servings per container. Of the 6 inactive ingredients, 4 are rated safe and 0 are flagged for review. The manufacturer, Nutricost, holds a brand trust score of 81/100 with 5 verified certifications including Consumerlab, Labdoor, Nsf Gmp, Usda Organic.

What are the ingredients in Nutricost L-Carnitine Tartrate, 240 Capsules (500 mg per Capsule)?

Nutricost L-Carnitine Tartrate, 240 Capsules (500 mg per Capsule) contains 1 active ingredients: L-Carnitine Tartrate (1,000 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Nutricost L-Carnitine Tartrate, 240 Capsules (500 mg per Capsule) safe to take?

Nutricost L-Carnitine Tartrate, 240 Capsules (500 mg per Capsule) 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 Nutricost a trustworthy supplement brand?

Nutricost receives a brand trust score of 81/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2012 and headquartered in Vineyard, Utah, USA, the company offers 897 products in their lineup. They hold 5 verified certifications including Consumerlab, Labdoor, Nsf Gmp, Usda Organic. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Nutricost 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. 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.