PlainVitamins

CoEnzyme Q-10 300

by ProCaps Laboratories · capsule · 240 easy to swallow capsules

  • Off the market since January 2016 (NIH)
  • DSLD label 30053
  • Serving 1 capsule
  • 240 servings

CoEnzyme Q-10 300 by ProCaps Laboratories lists 10 ingredients, 10 with an amount per serving of 1 capsule, such as 200 mg of vitamin C, 5 mg of vitamin B1, 5 mg of vitamin B2 and 5 mg of niacin. Its current label entered the NIH Dietary Supplement Label Database on March 25, 2014.

What is in CoEnzyme Q-10 300?

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).

CoEnzyme Q-10 300: Supplement Facts rows against the market (DSLD label 30053, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Cas Ascorbyl Palmitate, Calcium AscorbateVitamin C (Form: as Calcium Ascorbate, Ascorbyl Palmitate)200 mg333%Vitamin C in CoEnzyme Q-10 300 against 18,583 products200 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg200 mg

Higher than 63% of 18,583 products listing vitamin C (median 100 mg).

Vitamin B1as Thiamine HydrochlorideVitamin B1 (Form: as Thiamin Hydrochloride)5 mg333%Thiamin in CoEnzyme Q-10 300 against 9,830 products5 mg per serving; the middle half of products list 1.5 mg to 25 mg, the median 5 mg.DV 1.2 mg5 mg

46% of 9,830 products listing thiamin give more (median 5 mg).

Vitamin B2as Riboflavin5 mg294%Riboflavin in CoEnzyme Q-10 300 against 9,824 products5 mg per serving; the middle half of products list 1.7 mg to 25 mg, the median 4 mg.DV 1.3 mg5 mg

Higher than 51% of 9,824 products listing riboflavin (median 4 mg).

Niacinas NiacinamideNiacin (Form: as Niacinamide)5 mg25%Niacin in CoEnzyme Q-10 300 against 12,413 products5 mg per serving; the middle half of products list 13.2 mg to 48 mg, the median 20 mg.DV 16 mgUL 35 mg5 mg

89% of 12,413 products listing niacin give more (median 20 mg).

Vitamin B6as Pyridoxine HydrochlorideVitamin B6 (Form: as Pyridoxine Hydrochloride)5 mg250%Vitamin B6 in CoEnzyme Q-10 300 against 15,277 products5 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg5 mg

51% of 15,277 products listing vitamin B6 give more (median 6 mg).

Folic Acid50 mcg13%Folate in CoEnzyme Q-10 300 against 7,022 products50 mcg per serving; the middle half of products list 200 mcg to 400 mcg, the median 400 mcg.50 mcg

94% of 7,022 products listing folate give more (median 400 mcg).

Vitamin B12as CyanocobalaminVitamin B12 (Form: as Cyanocobalamin)100 mcg1,667%Vitamin B12 in CoEnzyme Q-10 300 against 14,425 products100 mcg per serving; the middle half of products list 6 mcg to 200 mcg, the median 36 mcg.DV 2.4 mcg100 mcg

Higher than 61% of 14,425 products listing vitamin B12 (median 36 mcg).

Biotin50 mcg17%Biotin in CoEnzyme Q-10 300 against 9,447 products50 mcg per serving; the middle half of products list 50 mcg to 300 mcg, the median 200 mcg.DV 30 mcg50 mcg

73% of 9,447 products listing biotin give more (median 200 mcg).

Pantothenic Acidas Calcium PantothenatePantothenic Acid (Form: as Calcium Pantothenate)5 mg50%Pantothenic Acid (Vitamin B5) in CoEnzyme Q-10 300 against 10,060 products5 mg per serving; the middle half of products list 6 mg to 50 mg, the median 12 mg.DV 5 mg5 mg

77% of 10,060 products listing pantothenic acid (vitamin B5) give more (median 12 mg).

Coenzyme Q-10as UbiquinoneCoenzyme Q-10 (Form: natural Ubiquinone)300 mgCoenzyme Q-10 in CoEnzyme Q-10 300 against 2,922 products300 mg per serving; the middle half of products list 30 mg to 100 mg, the median 60 mg.300 mg

Higher than 94% of 2,922 products listing coenzyme Q-10 (median 60 mg).

Source: NIH ODS Dietary Supplement Label Database, label 30053 (entered March 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?

The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:

  • 89% of the 12,413 products that print an amount of niacin list more than its 5 mg of niacin (median 20 mg).
  • 94% of the 7,022 products that print an amount of folate list more than its 50 mcg of folic acid (filed by NIH under folate) (median 400 mcg).
  • Its 300 mg of coenzyme Q-10 is higher than 94% of the 2,922 coenzyme Q-10 products that print an amount; 111 list more.

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?

3 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 Consume one or more capsules daily or as recommended by a health care professional. For best results, take this product with food containing a small amount of fat.
Allergens and what it does not contain
CONTAINS NO Milk, soy, yeast, corn, wheat, gluten, sodium, salt, sugar, fat, cholesterol, color, preservative, common allergens or manufacturing additive. CONTAINS NO ADDITIVES OF ANY KIND.

Source: label statements in DSLD label 30053.

What else is on the label?

Other ingredients: Gelatin Capsule, Proprietary Protective B12 Matrix.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): All-Solar MANUFACTURING.

How many labels does CoEnzyme Q-10 300 have?

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

  1. Label 30053 (current) Entered March 25, 2014 · off the market January 26, 2016 · 240 easy to swallow capsules

DSLD also links this label to: CoQ10-300 (image difference, same product), Coenzyme Q-10 300 mg (image difference, same product), Coenzyme Q-10 300 mg (image difference, same product), Coenzyme Q-10 300 mg (image difference, same product), Coenzyme Q-10 300 mg (image difference, same product), Coenzyme Q-10 300 mg (image difference, same product), Coenzyme Q-10 300 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 ProCaps Laboratories (manufacturer), Henderson, NV. All ProCaps Laboratories products.

Where next?