Acetyl L-Carnitine

by Dymatize Nutrition · capsule · 90 capsules

  • Off the market since November 2017 (NIH)
  • UPC 7 05016 47901 6
  • DSLD label 39479
  • Serving 1 capsule
  • 90 servings

Acetyl L-Carnitine by Dymatize Nutrition lists 3 ingredients, 3 with an amount per serving of 1 capsule, such as 2.5 mg of vitamin B1, 500 mg of acetyl L-carnitine HCl and 25 mg of methionine. Its current label entered the NIH Dietary Supplement Label Database on November 25, 2014.

What is in Acetyl L-Carnitine?

Each row as the label prints it, per serving of 1 capsule. 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).

Acetyl L-Carnitine: Supplement Facts rows against the market (DSLD label 39479, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin B1as Thiamine Hydrochloride2.5 mg162%Thiamin in Acetyl L-Carnitine against 9,830 products2.5 mg per serving; the middle half of products list 1.5 mg to 25 mg, the median 5 mg.DV 1.2 mg2.5 mg

58% of 9,830 products listing thiamin give more (median 5 mg). Per day at the most servings: 10 mg.

Acetyl L-Carnitine HCl500 mgAcetyl L-Carnitine in Acetyl L-Carnitine against 933 products500 mg per serving; the middle half of products list 200 mg to 525 mg, the median 500 mg.500 mg

26% of 933 products listing acetyl L-carnitine give more (median 500 mg). Per day at the most servings: 2,000 mg.

Methionine25 mgMETHIONINE in Acetyl L-Carnitine against 981 products25 mg per serving; the middle half of products list 25 mg to 250 mg, the median 100 mg.25 mg

73% of 981 products listing METHIONINE give more (median 100 mg). Per day at the most servings: 100 mg.

Source: NIH ODS Dietary Supplement Label Database, label 39479 (entered November 25, 2014), 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 1 to 4 servings 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?

The products whose ingredient lists overlap most with Acetyl L-Carnitine's, rare ingredients counting for more.

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
Recommended Use: As an adult dietary supplement, take 1 capsule with food. You may take up to 4 capsules daily.
Warnings
WARNING: For adult use only.
Not for use by children, teenagers, pregnant or lactating woman.
If you are under medical supervision, consult with your physician before taking product.
KEEP OUT OF REACH OF CHILDREN.
Allergens and what it does not contain
This product does not contain corn, yeast, wheat, soy, dairy, artificial flavors, artificial colors or preservatives.
Storage
Storage Conditions: Store at room temperature 59(0)F - 86(0)F (15(0)C - 30(0)C).

Source: label statements in DSLD label 39479.

What else is on the label?

Other ingredients: Gelatin, Calcium Carbonate, Vegetable Cellulose, Silica, Titanium Dioxide, Magnesium Stearate, Magnesium Silicate.

How many labels does Acetyl L-Carnitine have?

One label is on file, entered on November 25, 2014.

  1. Label 39479 (current) Entered November 25, 2014 · off the market November 3, 2017 · 90 capsules · UPC 7 05016 47901 6

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

Who makes it?

The label names Dymatize Enterprises, LLC (distributor), Dallas, TX. All Dymatize Nutrition products.

Where next?