PlainVitamins

Corvalene Ribose

by Douglas Laboratories · powder · 10.18 ounces

  • On the market (NIH)
  • UPC 3 10539 03697 6
  • DSLD label 317990
  • Serving 5.1 g (1 Scoop)
  • 56 servings

Corvalene Ribose by Douglas Laboratories lists one ingredient: 5 g of D-ribose per serving of 5.1 g. Its current label entered the NIH Dietary Supplement Label Database on August 22, 2024.

What is in Corvalene Ribose?

Each row as the label prints it, per serving of 5.1 g. 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).

Corvalene Ribose: Supplement Facts rows against the market (DSLD label 317990, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories20 Calories
Total Carbohydrates5 g2%Carbohydrate in Corvalene Ribose against 21,979 products5 g per serving; the middle half of products list 1 g to 6 g, the median 3 g.5 g

Higher than 65% of 21,979 products listing carbohydrate (median 3 g). Per day at the most servings: 15 g.

Total Sugars5 gSugar in Corvalene Ribose against 11,807 products5 g per serving; the middle half of products list 1 g to 4 g, the median 2 g.5 g

Higher than 78% of 11,807 products listing sugar (median 2 g). Per day at the most servings: 15 g.

D-Ribose5 gRibose in Corvalene Ribose against 199 products5 g per serving; the middle half of products list 0.5 g to 5 g, the median 2 g.5 g

Higher than 72% of 199 products listing ribose (median 2 g). Per day at the most servings: 15 g.

Source: NIH ODS Dietary Supplement Label Database, label 317990 (entered August 22, 2024), 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?

6 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: Normal dosage is 5 grams D-Ribose taken two times a day with the morning and evening meals. A third dose may be added at midday as needed, or as directed by your healthcare professional. Continued use is required to maintain the benefits of Corvalen.
Warnings
Warning: If you are pregnant, or nursing, or if you are taking prescription medication, consult your health professional before using this product.
Not for parenteral use, store at room temperature, avoid excess heat and moisture
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.
Packaged by weight, not volume. Settling may occur.

Source: label statements in DSLD label 317990.

How many labels does Corvalene Ribose have?

7 labels are on file under this name since June 1, 2012: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 317990 (current) Entered August 22, 2024 · on the market · 10.18 ounces · UPC 3 10539 03697 6
  2. Label 232683 Entered August 23, 2020 · on the market · 9.9 ozs · UPC 3 10539 03697 6
  3. Label 232289 Entered August 23, 2020 · on the market · 90 chewable tablets · UPC 3 10539 03797 3
  4. Label 56704 Entered February 23, 2016 · off the market May 18, 2020 · 9.9 ozs · UPC 3 10539 03697 6
  5. Label 56113 Entered January 25, 2016 · off the market May 18, 2020 · 90 chewable tablets · UPC 3 10539 03797 3
  6. Label 30967 Entered February 26, 2014 · off the market December 15, 2015 · 90 chewable tablets · UPC 3 10539 03797 3
  7. Label 9517 Entered June 1, 2012 · off the market December 15, 2015 · 9.9 oz. · UPC 3 10539 03697 6

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 (distributor), Sudbury, MA. All Douglas Laboratories products.

Where next?