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Non-nutrient/non-botanical · Supplement ingredient

L-Carnitine

L-Carnitine is listed on 1,240 U.S. supplement product labels in the NIH DSLD, #180 of 4,614 by label frequency.

1,240
Products
#180 of 4,614
By frequency

How common is L-Carnitine?

Number of supplement labels listing L-Carnitine vs nearby non-nutrient/non-botanical ingredients

products
Source NIH Dietary Supplement Label Database (DSLD) As of 2026

Products containing L-Carnitine

L-Carnitine 500 mg
Puritan's Pride
6 ingredients · Non-Nutrient/Non-Botanical
Off Market
L-Carnitine 500 mg
Protocol For Life Balance
5 ingredients · Non-Nutrient/Non-Botanical
Off Market
L-Carnitine 500 mg
GNC
2 ingredients · Non-Nutrient/Non-Botanical
Off Market
L-Carnitine 500 mg
GNC
2 ingredients · Non-Nutrient/Non-Botanical
Off Market
L-Carnitine 500 mg
Nature's Way
4 ingredients · Non-Nutrient/Non-Botanical
Off Market
L-Carnitine 500 mg
Swanson Premium Brand
9 ingredients · Non-Nutrient/Non-Botanical
Off Market
L-Carnitine 500 mg
Bluebonnet
5 ingredients · Non-Nutrient/Non-Botanical
Off Market
L-Carnitine 500 mg
Solgar
9 ingredients · Non-Nutrient/Non-Botanical
Off Market
L-Carnitine 500 mg
Puritan's Pride
6 ingredients · Non-Nutrient/Non-Botanical
Off Market
L-Carnitine 500 mg
Jarrow Formulas
5 ingredients · Non-Nutrient/Non-Botanical
Off Market
L-Carnitine 500 mg
Jarrow Formulas
4 ingredients · Non-Nutrient/Non-Botanical
Off Market
L-Carnitine 500 mg
Jarrow Formulas
5 ingredients · Non-Nutrient/Non-Botanical
Off Market
L-Carnitine 500 mg
Jarrow Formulas
5 ingredients · Non-Nutrient/Non-Botanical
Off Market
L-Carnitine 500 mg
Jarrow Formulas
4 ingredients · Non-Nutrient/Non-Botanical
Off Market
L-Carnitine 500 mg
Bluebonnet
5 ingredients · Non-Nutrient/Non-Botanical
Off Market
L-Carnitine 500 mg
Bluebonnet
5 ingredients · Non-Nutrient/Non-Botanical
Off Market
L-Carnitine 500 mg
Puritan's Pride
9 ingredients · Non-Nutrient/Non-Botanical
Off Market
L-Carnitine 500 mg
Vitamin Discount Center
10 ingredients · Other Combinations
Off Market
L-Carnitine 500 mg
Swanson
9 ingredients · Non-Nutrient/Non-Botanical
Off Market
L-Carnitine Caps 500 mg
Country Life
6 ingredients · Other Combinations
Off Market
L-Carnitine Caps 500 mg
Country Life
6 ingredients · Non-Nutrient/Non-Botanical
Off Market
L-Carnitine Complex
GNC Total Lean
16 ingredients · Botanical with Nutrients
Off Market
L-Carnitine Fumarate
OL Olympian Labs
7 ingredients · Non-Nutrient/Non-Botanical
Off Market
L-Carnitine Fumarate 1000 mg
Vitamin World
7 ingredients · Non-Nutrient/Non-Botanical
Off Market
L-Carnitine Fumarate 1000 mg
OL Olympian Labs
7 ingredients · Non-Nutrient/Non-Botanical
Off Market
L-Carnitine Fumarate 1000 mg
OL Olympian Labs
7 ingredients · Non-Nutrient/Non-Botanical
Off Market
L-Carnitine Fumarate 1000 mg
OL Olympian Labs
7 ingredients · Non-Nutrient/Non-Botanical
Off Market
L-Carnitine Fumarate 1000 mg
OL Olympian Labs
7 ingredients · Non-Nutrient/Non-Botanical
Off Market
L-Carnitine Fumarate 1000 mg
OL Olympian Labs
7 ingredients · Non-Nutrient/Non-Botanical
Off Market
L-Carnitine L-Tartrate
AI Sports Nutrition
2 ingredients · Non-Nutrient/Non-Botanical
Off Market
L-Carnitine Liquid
Good 'N Natural
7 ingredients · Non-Nutrient/Non-Botanical
Off Market
L-Carnitine Liquid 1000 mg Citrus Flavor
NOW Sports
16 ingredients · Other Combinations
Off Market
L-Carnitine Liquid 1000 mg Citrus Flavor
NOW Sports
13 ingredients · Botanical with Nutrients
Off Market
L-Carnitine Liquid 1000 mg Citrus Flavor
NOW Sports
13 ingredients · Other Combinations
Off Market
L-Carnitine Liquid 1000 mg Tropical Punch Flavor
NOW Sports
12 ingredients · Other Combinations
Off Market
L-Carnitine LS3 1500 Pink Lemonade
iSatori
13 ingredients · Non-Nutrient/Non-Botanical
Off Market
L-Carnitine LS3 Mixed Berry
iSatori
12 ingredients · Non-Nutrient/Non-Botanical
Off Market
L-Carnitine LS3 Mixed Berry
iSatori
12 ingredients · Non-Nutrient/Non-Botanical
Off Market
L-Carnitine Power
New You Vitamins
3 ingredients · Non-Nutrient/Non-Botanical
Off Market
L-Carnitine Raspberry Flavour 1100 mg
BIOVEA
12 ingredients · Non-Nutrient/Non-Botanical
Off Market
L-Carnitine Raspberry Ketones & Green Coffee Bean With Green Tea
Nature's Answer
12 ingredients · Other Combinations
Off Market
L-Carnitine Super Size
OL Olympian Labs
5 ingredients · Non-Nutrient/Non-Botanical
Off Market
L-Carnitine Tartrate 1000 mg
Nutricost
4 ingredients · Non-Nutrient/Non-Botanical
Off Market
Lean Shake Burn Chocolate Fudge
GNC Total Lean
61 ingredients · Other Combinations
Off Market
Lichi Super Fruit Diet
Lichi
31 ingredients · Other Combinations
Off Market
Lipo 6 Stim-Free
Nutrex Research
11 ingredients · Botanical with Nutrients
Off Market
Lipo-6 Carnitine
Nutrex Research
5 ingredients · Non-Nutrient/Non-Botanical
Off Market
Lipo-6 Carnitine
Nutrex Research
5 ingredients · Amino acid/Protein
Off Market
Lipo-6 Carnitine
Nutrex Research
5 ingredients · Non-Nutrient/Non-Botanical
Off Market
Lipo-6 Carnitine
Nutrex Research
5 ingredients · Non-Nutrient/Non-Botanical
Off Market

Nearby Ingredients in Non-nutrient/non-botanical

Other ingredients in the Non-nutrient/non-botanical category cataloged in the NIH DSLD. Useful for comparing how common different nutrients are across the US supplement market.

Compare L-Carnitine vs Magnesium →

Nationwide ingredients with similar DSLD presence

Two peer sets for L-Carnitine: closest on total DSLD label listings (1,240 here) and closest on distinct brands that list it (357 here). Peers exclude the same DSLD category, and rows stay link-disjoint so each axis is a distinct neighborhood.

Similar label frequency

Nearest other ingredients by distinct DSLD product labels (floored at ≥50), outside this category.

Similar brand breadth

Nearest other ingredients by distinct brands listing them (floored at ≥100 brands), distinct from the label-frequency row.

Frequently asked about L-Carnitine

How many supplement products contain L-Carnitine?
1,240 supplement product labels in the NIH DSLD currently lists L-Carnitine as an ingredient. By label frequency it ranks #180 of 4,614 among ingredients PlainVitamins ranks (same sort as /rankings/most-common-ingredients). Browse them below.

Source: NIH Office of Dietary Supplements, Dietary Supplement Label Database (DSLD). Regulatory reference: Source: Dietary Supplement Health and Education Act (DSHEA), 1994, 21 U.S.C. § 321(ff).

Disclaimer, Not Medical Advice: Information on this page is based on manufacturer-declared label data and is provided for educational and reference purposes only. It does not constitute medical, nutritional, or health advice. Consult a licensed healthcare provider before starting, stopping, or combining any supplement, especially if you are pregnant, nursing, take prescription medication, or have a medical condition.

Every figure on PlainVitamins is rendered directly from the NIH Dietary Supplement Label Database (DSLD), no number is typed in by an editor. Ingredient figures are computed directly from the NIH DSLD, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.