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L-Carnitine

Thorne
4.8
★ ★ ★ ★ ★
(266 ratings)
L-Carnitine 330 mg
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Score84

A high-quality but very low-dose carnitine tartrate supplement with limited value for standard needs.

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Quantity:60 Capsule(s) • (60 servings)
Goals:

Score 84

A high-quality but very low-dose carnitine tartrate supplement with limited value for standard needs.

How scoring works
$39.00($0.65 per serving)
iHerb
$ 39.00
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Analysis

This supplement provides 330 mg of L-Carnitine Tartrate per capsule. While the tartrate form is excellent for stability and absorption, the amount provided is significantly less than the 500 mg or 1000 mg found in other brands.

It may be suitable for someone who only wants a very small amount of supplemental carnitine. However, for most users, the high price and low dosage make it a less practical choice.

Pros

  • Uses high-quality tartrate form
  • Highly stable material
  • Clean, trustworthy brand
  • Small, easy-to-swallow capsules

Cons

  • Very low dose per serving
  • Poor cost efficiency
  • May not meet typical user needs

Warnings

  • Results may be minimal at this dosage
  • Take with food to assist absorption
  • Consult a professional if symptoms occur

Nutrient quality

81 Highest impact

Tartrate is an excellent salt form for its stability and high bioavailability in skeletal and cardiac muscle. A 330mg dose is a conservative baseline for maintenance support but may be too low for clinical goals.

Ingredient transparency

99 Highest impact

Identification of the tartrate salt and its quantification supports a clear understanding of the product's quality. Labeling is straightforward and provides essential guidance for correct daily intake.

Customer satisfaction

93 Highest impact

Outstanding user ratings from a focused review count reflect very high approval and reliable results. The product appears to meet user expectations for energy and cardiovascular support effectively.

Value for money

59 Moderate impact

The price per serving is relatively high, reflecting a premium brand position despite the low active dose. This represents a less economical choice for individuals seeking high-potency carnitine support.

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Ingredients

IngredientAmount per serving
L-Carnitine (L-Carnitine L-Tartrate)
330 mg
Gluten Free Adults 18–50
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B- Active Ingredient Quality & BioavailabilityF Dose, Safety & Label TransparencyF Value
This supplement uses the effective tartrate form of carnitine but at a very low dosage that may not meet therapeutic goals. Additionally, the price per gram is quite high, offering poor value for carnitine specifically.
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