PlainVitamins

Quadracarn

by Beverly International · tablet or pill · 120 tablets

  • On the market (NIH)
  • UPC 8 57254 00018 4
  • DSLD label 332855
  • Serving 3 tablets
  • 40 servings

Quadracarn by Beverly International lists 5 ingredients, 5 with an amount per serving of 3 tablets, such as 750 mg of acetyl-L-carnitine hydrochloride, 450 mg of L-carnitine, 300 mg of L-carnitine-L-tartrate and 15 mg of propionyl L-carnitine HCl. Its current label entered the NIH Dietary Supplement Label Database on May 21, 2025.

What is in Quadracarn?

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

Quadracarn: Supplement Facts rows against the market (DSLD label 332855, January 2026 release)
IngredientAmount% DVAmong products listing it
Acetyl-L-Carnitine Hydrochloride750 mgAcetyl L-Carnitine in Quadracarn against 933 products750 mg per serving; the middle half of products list 200 mg to 525 mg, the median 500 mg.750 mg

Higher than 77% of 933 products listing acetyl L-carnitine (median 500 mg). Per day at the most servings: 2,250 mg.

L-Carnitine450 mgL-Carnitine in Quadracarn against 1,338 products750 mg per serving; the middle half of products list 110.5 mg to 1,000 mg, the median 500 mg.750 mg

Higher than 64% of 1,338 products listing L-carnitine (median 500 mg). Per day at the most servings: 2,250 mg.

L-Carnitine-L-Tartrate300 mg
Propionyl L-Carnitine HCl15 mg
Gymnema leaf extract250 mgGymnema in Quadracarn against 444 products250 mg per serving; the middle half of products list 67 mg to 323.33 mg, the median 200 mg.250 mg

Higher than 62% of 444 products listing gymnema (median 200 mg). Per day at the most servings: 750 mg.

Source: NIH ODS Dietary Supplement Label Database, label 332855 (entered May 21, 2025), version 9.4.0. See the label on DSLD or its label image (PDF). 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 2 to 3 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 Quadracarn'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
Use: Take 3 tablets, twice daily. For maximum results, take 3 tablets, 3 times daily on training days. Take 3 tablets, twice daily on other days.
Warnings
Caution: For adults only. Keep out of reach of children.
Consult physician if pregnant/nursing, taking medication, or have a medical condition.

Source: label statements in DSLD label 332855.

What else is on the label?

Other ingredients: Microcrystalline Cellulose, Calcium Carbonate, Stearic Acid, Croscarmellose Sodium, Silicon Dioxide, Magnesium Stearate, Hydroxypropylcellulose, Gum Acacia.

How many labels does Quadracarn have?

One label is on file, entered on May 21, 2025.

  1. Label 332855 (current) Entered May 21, 2025 · on the market · 120 tablets · UPC 8 57254 00018 4

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

Who makes it?

The label names Beverly International Nutrition, Inc (manufacturer), Cold Spring, KY. All Beverly International products.

Where next?