L-Carnitine

by Arazo Nutrition · tablet or pill · 120 tablets

  • On the market (NIH)
  • UPC X001MF18JP
  • DSLD label 237158
  • Serving 2 tablets
  • 60 servings

L-Carnitine by Arazo Nutrition lists 2 ingredients, 2 with an amount per serving of 2 tablets, such as 330 mg of calcium and 1,000 mg of L-carnitine tartrate. Its current label entered the NIH Dietary Supplement Label Database on November 21, 2020.

What is in L-Carnitine?

Each row as the label prints it, per serving of 2 tablets. The capsule beside an amount places it among every product in the NIH database that lists the same ingredient: the bar is the middle half of their amounts, the line in it the median, the whiskers the 10th and 90th percentiles; the green tick is the FDA Daily Value and the red dashed tick the adult upper limit (IOM).

L-Carnitine: Supplement Facts rows against the market (DSLD label 237158, January 2026 release)
IngredientAmount% DVAmong products listing it
Calcium330 mg25%Calcium in L-Carnitine against 17,831 products330 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg330 mg

Higher than 80% of 17,831 products listing calcium (median 115 mg).

L-Carnitine Tartrate1,000 mgL-Carnitine in L-Carnitine against 1,338 products1,000 mg per serving; the middle half of products list 110.5 mg to 1,000 mg, the median 500 mg.1,000 mg

Higher than 66% of 1,338 products listing L-carnitine (median 500 mg).

Source: NIH ODS Dietary Supplement Label Database, label 237158 (entered November 21, 2020), version 9.4.0. See the label on DSLD. Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.

Is that a lot?

Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient.

The NIH database records one serving a day from the label's directions; its % Daily Values are for adults and children 4 or more years of age. The directions as printed are further down this page.

The Tolerable Upper Intake Level is the most of a nutrient per day, from food, water and supplements together, that is likely to pose no risk for almost all adults (Institute of Medicine, 2011). It does not apply under medical supervision. This page compares labels; it is not medical advice.

Sources: amounts from the DSLD label; Daily Values from 21 CFR 101.9(c)(8)(iv); adult upper limits from the Institute of Medicine's DRI summary tables (2011). How positions are computed.

Which products have the closest formulas?

6 products list the very same ingredients; the nearest amounts come first.

Source: ingredient lists of every product's current label in DSLD (version 9.4.0); similarity weights each shared ingredient by how rare it is.

What does the label say about taking it?

Quoted from the label as DSLD transcribed it: the maker's words, including any claim about what the product does, which the FDA has not evaluated and PlainVitamins does not endorse.

Directions
Suggested Use: Adults take two (2) tablets daily, or as directed by a healthcare professional.
Warnings
Caution: Do not exceed the recommended dose.
If you are pregnant or nursing, under the age of 18 or have a known medical condition, you should consult a physician before using this or any dietary supplement.
Keep out of the reach of children.
Do not use if safety seal is damaged or missing.
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 237158.

What else is on the label?

Other ingredients: Calcium Carbonate, Microcrystalline Cellulose, Stearic Acid, Croscarmellose Sodium, Film Coat, Silica, Magnesium Stearate.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Formulated in USA GMP Good Manufacturing Practice Sourced from a certified facility Third Party Tested.

How many labels does L-Carnitine have?

One label is on file, entered on November 21, 2020.

  1. Label 237158 (current) Entered November 21, 2020 · on the market · 120 tablets · UPC X001MF18JP

DSLD also links this label to: L-Carnitine 1000 mg (image difference, same product).

Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).

Who makes it?

The label names Arazo Nutrition (distributor), Wilmington, DE, U.S.A.. All Arazo Nutrition products.

Where next?