CoQ10 L-Carnitine Magnesium

by Doctor's Best · capsule · 90 veggie caps

  • On the market (NIH)
  • UPC 7 53950 00477 1
  • DSLD label 203385
  • Serving 3 veggie capsules
  • 30 servings

CoQ10 L-Carnitine Magnesium by Doctor's Best lists 5 ingredients, 5 with an amount per serving of 3 veggie capsules, such as 200 mg of magnesium, 855 mg of L-carnitine fumarate and 200 mg of coenzyme Q10. Its current label entered the NIH Dietary Supplement Label Database on September 24, 2019.

What is in CoQ10 L-Carnitine Magnesium?

Each row as the label prints it, per serving of 3 veggie capsules. 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).

CoQ10 L-Carnitine Magnesium: Supplement Facts rows against the market (DSLD label 203385, January 2026 release)
IngredientAmount% DVAmong products listing it
MagnesiumMagnesium Note: from200 mg50%Magnesium in CoQ10 L-Carnitine Magnesium against 14,003 products200 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg200 mg

Higher than 75% of 14,003 products listing magnesium (median 86 mg).

Magnesium Bisglycinate Chelate buffered1,112 mg
L-Carnitine FumarateL-Carnitine Fumarate Note: yielding855 mgL-Carnitine in CoQ10 L-Carnitine Magnesium against 1,338 products855 mg per serving; the middle half of products list 110.5 mg to 1,000 mg, the median 500 mg.855 mg

Higher than 65% of 1,338 products listing L-carnitine (median 500 mg).

L-Carnitine500 mg
Coenzyme Q10as Ubiquinone200 mgCoenzyme Q-10 in CoQ10 L-Carnitine Magnesium against 2,922 products200 mg per serving; the middle half of products list 30 mg to 100 mg, the median 60 mg.200 mg

Higher than 83% of 2,922 products listing coenzyme Q-10 (median 60 mg).

Source: NIH ODS Dietary Supplement Label Database, label 203385 (entered September 24, 2019), 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?

The products whose ingredient lists overlap most with CoQ10 L-Carnitine Magnesium'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
Take 3 capsules daily with food, or as recommended by a nutritionally-informed physician.
Allergens and what it does not contain
Non-GMO Gluten free Soy free
Storage
Store in a cool dry place.

Source: label statements in DSLD label 203385.

What else is on the label?

Other ingredients: Modified Cellulose, Microcrystalline Cellulose, Silicon Dioxide, Magnesium Stearate.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Albion Minerals; Vegan.

How many labels does CoQ10 L-Carnitine Magnesium have?

One label is on file, entered on September 24, 2019.

  1. Label 203385 (current) Entered September 24, 2019 · on the market · 90 veggie caps · UPC 7 53950 00477 1

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

Who makes it?

The label names Doctor's Best, Inc. (distributor), California. All Doctor's Best products.

Where next?