PlainVitamins

Corvalen Ribose

by Douglas Laboratories · tablet or pill · 90 chewable tablets

  • On the market (NIH)
  • UPC 3 10539 97905 1
  • DSLD label 244761
  • Serving 1 chewable tablet
  • 90 servings

Corvalen Ribose by Douglas Laboratories lists 2 ingredients, 2 with an amount per serving of 1 chewable tablet, such as 1.67 g of D-ribose, beside 2 Nutrition Facts rows (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on April 22, 2021.

What is in Corvalen Ribose?

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

Corvalen Ribose: Supplement Facts rows against the market (DSLD label 244761, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories10 Calories
Total Carbohydrates2 g1%Carbohydrate in Corvalen Ribose against 21,979 products2 g per serving; the middle half of products list 1 g to 6 g, the median 3 g.2 g

58% of 21,979 products listing carbohydrate give more (median 3 g). Per day at the most servings: 6 g.

Total Sugars1.67 gSugar in Corvalen Ribose against 11,807 products1.67 g per serving; the middle half of products list 1 g to 4 g, the median 2 g.1.67 g

68% of 11,807 products listing sugar give more (median 2 g). Per day at the most servings: 5.01 g.

Sugar Alcohol0.5 gSugar Alcohol in Corvalen Ribose against 706 products0.5 g per serving; the middle half of products list 1 g to 3 g, the median 2 g.0.5 g

95% of 706 products listing sugar alcohol give more (median 2 g). Per day at the most servings: 1.5 g.

D-Ribose1.67 gRibose in Corvalen Ribose against 199 products1.67 g per serving; the middle half of products list 0.5 g to 5 g, the median 2 g.1.67 g

55% of 199 products listing ribose give more (median 2 g). Per day at the most servings: 5.01 g.

Source: NIH ODS Dietary Supplement Label Database, label 244761 (entered April 22, 2021), 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:

  • 95% of the 706 products that print an amount of sugar alcohol list more than its 0.5 g of sugar alcohol (median 2 g).

The NIH database records 1 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?

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 Usage: As a dietary supplement, adults take 1 chewable tablet, 1-3 times daily, or as directed by a health professional.
Warnings
Warning: If you are pregnant, nursing, have any health condition or taking any medication, consult your health professional before using this product.
Keep out of the reach of children.
Use only if safety seal is intact.
Allergens and what it does not contain
Gluten-free, Non-GMO
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 244761.

What else is on the label?

Other ingredients: Xylitol, Microcrystalline Cellulose, Hydroxypropyl Cellulose, Silica, natural Orange flavor, Vegetable Stearate, Citric Acid, Mannitol, Stearic Acid, Carnauba wax, natural Vanilla flavor.

How many labels does Corvalen Ribose have?

One label is on file, entered on April 22, 2021.

  1. Label 244761 (current) Entered April 22, 2021 · on the market · 90 chewable tablets · UPC 3 10539 97905 1

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

Who makes it?

The label names Douglas Laboratories (manufacturer), Pittsburgh, PA. All Douglas Laboratories products.

Where next?