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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 1500 mg Rainbow Candy
Redcon1 Basic Training Series
9 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine 2 grams
GNC Beyond Raw Chemistry Labs
2 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine 2 grams
GNC Beyond Raw Chemistry Labs
2 ingredients · Amino acid/Protein
On Market
L-Carnitine 2,000 mg Acai Berry
NOW Shots
15 ingredients · Other Combinations
On Market
L-Carnitine 2000
Body Attack
7 ingredients · Other Combinations
On Market
L-Carnitine 2000 Liquid Cherry Flavour
Body Attack Sports Nutrition
14 ingredients · Other Combinations
On Market
L-Carnitine 2000 Liquid Orange Flavour
Body Attack Sports Nutrition
12 ingredients · Other Combinations
On Market
L-Carnitine 2000 Liquid Orange Flavour
Body Attack Sports Nutrition
13 ingredients · Other Combinations
On Market
L-Carnitine 2000 Liquid Orange Flavour 0% Sugar
Body Attack
13 ingredients · Other Combinations
On Market
L-Carnitine 250 mg
Bronson
6 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine 250 mg
Source Naturals
4 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine 250 mg
Source Naturals
5 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine 250 mg
Vitamin World
4 ingredients · Amino acid/Protein
On Market
L-Carnitine 250 mg
BIOVEA
5 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine 250 mg
Douglas Laboratories
5 ingredients · Amino acid/Protein
On Market
L-Carnitine 250 mg
Bluebonnet
5 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine 250 mg
Bluebonnet
5 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine 250 mg
Douglas Laboratories
5 ingredients · Amino acid/Protein
On Market
L-Carnitine 250 mg
Source Naturals
5 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine 250 mg
NOW
6 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine 250 mg
Klaire Labs
6 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine 250 mg
Windmill
7 ingredients · Other Combinations
On Market
L-Carnitine 275 mg Plus Herb Complex of 275 mg
New Sun
3 ingredients · Other Combinations
On Market
L-Carnitine 3000 Blue Raspberry
1 Up Nutrition
11 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine 3000 mg Lemon Lime
Amazing Muscle
11 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine 3000 Orange Pineapple
VMI Sports Black Series
11 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine 3000 Passion Fruit
1 Up Nutrition
11 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine 3000 Tropical Mango
1 Up Nutrition
11 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine 3000 Tropical Pineapple
1 Up Nutrition
11 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine 400 mg
Signature Supplements
3 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine 500
GNC Pro Performance
4 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine 500
Progressive Professional from Progressive Laboratories
6 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine 500 mg
Viva Vitamins
8 ingredients · Other Combinations
On Market
L-Carnitine 500 mg
VitaCeutical Labs
5 ingredients · Amino acid/Protein
On Market
L-Carnitine 500 mg
Meijer Naturals
7 ingredients · Other Combinations
On Market
L-Carnitine 500 mg
Spring Valley
10 ingredients · Amino acid/Protein
On Market
L-Carnitine 500 mg
NOW
5 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine 500 mg
up&up
7 ingredients · Amino acid/Protein
On Market
L-Carnitine 500 mg
Vitamin World
6 ingredients · Amino acid/Protein
On Market
L-Carnitine 500 mg
Puritan's Pride Premium
8 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine 500 mg
Vitamer Laboratories
5 ingredients · Amino acid/Protein
On Market
L-Carnitine 500 mg
Thompson
6 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine 500 mg
NOW
5 ingredients · Amino acid/Protein
On Market
L-Carnitine 500 mg
Bodybuilding.com Foundation Series
4 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine 500 mg
Bodybuilding.com Foundation Series
4 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine 500 mg
Vitamer Laboratories
5 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine 500 mg
GNC Pro Performance
4 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine 500 mg
TN Trusted Nutrients
6 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine 500 mg
Protocol For Life Balance
5 ingredients · Non-Nutrient/Non-Botanical
On Market
L-Carnitine 500 mg
Source Naturals
5 ingredients · Non-Nutrient/Non-Botanical
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.