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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 Fumarate
BulkSupplements.com
2 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine Fumarate
Pure Encapsulations
5 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine Fumarate
BulkSupplements.com
1 ingredient · Non-Nutrient/Non-Botanical
On Market
L-Carnitine Fumarate
BulkSupplements.com
1 ingredient · Non-Nutrient/Non-Botanical
On Market
L-Carnitine Fumarate
BulkSupplements.com
1 ingredient · Non-Nutrient/Non-Botanical
On Market
L-Carnitine Fumarate
BulkSupplements.com
1 ingredient · Non-Nutrient/Non-Botanical
On Market
L-Carnitine Fumarate 1000 mg
OL Olympian Labs
7 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine Fumarate 1000 mg
OL Olympian Labs
7 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine Fumarate 855 mg
Doctor's Best
5 ingredients · Amino acid/Protein
On Market
L-Carnitine Fumarate 885 mg
California Gold Nutrition
6 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine Fumarate With Biosint Carnitines 855 mg
Doctor's Best
5 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine HCl
BulkSupplements.com
2 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine HCL
BulkSupplements.com
2 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine HCL
BulkSupplements.com
2 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine HCL
BulkSupplements.com
2 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine HCl
BulkSupplements.com
1 ingredient · Non-Nutrient/Non-Botanical
On Market
L-Carnitine HCl
BulkSupplements.com
1 ingredient · Non-Nutrient/Non-Botanical
On Market
L-Carnitine HCl
BulkSupplements.com
1 ingredient · Non-Nutrient/Non-Botanical
On Market
L-Carnitine HCl
BulkSupplements.com
1 ingredient · Non-Nutrient/Non-Botanical
On Market
L-Carnitine L-Tartrate
BulkSupplements.com
2 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine L-Tartrate
BulkSupplements.com
2 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine L-Tartrate
BulkSupplements.com
2 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine L-Tartrate
BulkSupplements.com
2 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine L-Tartrate
BulkSupplements.com
1 ingredient · Non-Nutrient/Non-Botanical
On Market
L-Carnitine L-Tartrate
BulkSupplements.com
1 ingredient · Non-Nutrient/Non-Botanical
On Market
L-Carnitine L-Tartrate
BulkSupplements.com
1 ingredient · Non-Nutrient/Non-Botanical
On Market
L-Carnitine L-Tartrate
BulkSupplements.com
1 ingredient · Non-Nutrient/Non-Botanical
On Market
L-Carnitine L-Tartrate
Earthborn Elements
2 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine L-Tartrate 1000 mg Capsules
BulkSupplements.com
2 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine LS3 3000 Bombsicle
iSatori
13 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine LS3 3000 Gummy Bear
iSatori
13 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine LS3 Mixed Berry
iSatori
12 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine Plus Green Coffee Extract
Top Secret Nutrition
6 ingredients · Other Combinations
On Market
L-Carnitine Plus Raspberry Ketones
The Vitamin Shoppe
6 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine Plus Raspberry Ketones Raspberry Ketones
Top Secret Nutrition
6 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine Powder
Biotics Research Corporation
1 ingredient · Amino acid/Protein
On Market
L-Carnitine Powder
Cardiovascular Research
1 ingredient · Non-Nutrient/Non-Botanical
On Market
L-Carnitine Powder
Herbadiet
1 ingredient · Non-Nutrient/Non-Botanical
On Market
L-Carnitine Powder Natural Lemon Flavor
Life Extension
6 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine Power
SAN
5 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine Tartrate 500 mg
Klaire Labs
6 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine500
Evlution Nutrition
5 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carntine Tartrate
Pure
2 ingredients · Non-Nutrient/Non-Botanical
On Market
Lean Shake Burn Chocolate Fudge
GNC Total Lean
61 ingredients · Other Combinations
On Market
Lean Shake Burn Strawberry
GNC Total Lean
63 ingredients · Other Combinations
On Market
LeanBCAA Fruit Punch
Evlution Nutrition
11 ingredients · Other Combinations
On Market
Leanshots L-Carnitine 3000 Blue Razz
NutraBio Performance
13 ingredients · Other Combinations
On Market
Leanshots L-Carnitine 3000 Green Apple
NutraBio Performance
13 ingredients · Other Combinations
On Market
Leanshots L-Carnitine 3000 Peach Rings
NutraBio Performance
13 ingredients · Other Combinations
On Market
Leanshots L-Carnitine 3000 Sour Candy
NutraBio Performance
13 ingredients · Other Combinations
On 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.