PlainVitamins

D-Ribose

by Klaire Labs · powder · 10.58 ounces

  • On the market (NIH)
  • UPC 8 28054 00104 6
  • DSLD label 322271
  • Serving 5 g (1 Scoop (approximately 5 grams)); amounts per 1 g
  • 60 servings

D-Ribose by Klaire Labs lists one ingredient: 5 g of D-ribose per serving of 1 g. Its current label entered the NIH Dietary Supplement Label Database on December 21, 2024.

What is in D-Ribose?

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

D-Ribose: Supplement Facts rows against the market (DSLD label 322271, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories20 Calories
Total Carbohydrate5 g2%Carbohydrate in D-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).

Total Sugars5 gSugar in D-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).

Added Sugars5 g10%
D-Ribose5 gRibose in D-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).

Source: NIH ODS Dietary Supplement Label Database, label 322271 (entered December 21, 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 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?

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 use: 1 scoop daily mixed with water, juice, food, or as directed by a healthcare professional.
Warnings
Do not use if shrinkwrap is broken or missing.
Caution: If you are pregnant, nursing, have a medical condition, or taking prescription drugs, consult your healthcare professional before using this product.
Keep out of reach of children.
Allergens and what it does not contain
Free of the following common allergens: milk/casein, eggs, fish, shellfish, tree nuts, peanuts, wheat, gluten, soybeans, and yeast. Contains no artificial colors, flavors, or preservatives.
Storage
Store in a cool, dry place (59 degrees F-85 degrees F) away from direct light.

Source: label statements in DSLD label 322271.

How many labels does D-Ribose have?

2 labels are on file under this name since June 16, 2022: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 322271 (current) Entered December 21, 2024 · on the market · 10.58 ounces · UPC 8 28054 00104 6
  2. Label 264861 Entered June 16, 2022 · off the market March 2, 2023 · 10.58 ounces · UPC 8 28054 00104 6

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

Who makes it?

The label names SFI USA (manufacturer), Reno, NV. All Klaire Labs products.

Where next?