PlainVitamins

D-Ribose Powder

by PhysioLogics · powder · 5.3 oz.

  • Off the market since March 2016 (NIH)
  • UPC 7 16963 00988 1
  • DSLD label 41838
  • Serving 1 tsp (approx. 2.2 g)
  • 68 servings

D-Ribose Powder by PhysioLogics lists one ingredient: 2.2 g of D-ribose per serving of 1 tsp. Its current label entered the NIH Dietary Supplement Label Database on January 23, 2015.

What is in D-Ribose Powder?

Each row as the label prints it, per serving of 1 tsp. 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 Powder: Supplement Facts rows against the market (DSLD label 41838, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories5 Calories
Total Carbohydrates2 g1%Carbohydrate in D-Ribose Powder 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.

Sugar2 gSugar in D-Ribose Powder against 11,807 products2 g per serving; the middle half of products list 1 g to 4 g, the median 2 g.2 g

48% of 11,807 products listing sugar give more (median 2 g). Per day at the most servings: 6 g.

D-Ribose2.2 gRibose in D-Ribose Powder against 199 products2.2 g per serving; the middle half of products list 0.5 g to 5 g, the median 2 g.2.2 g

Higher than 53% of 199 products listing ribose (median 2 g). Per day at the most servings: 6.6 g.

Source: NIH ODS Dietary Supplement Label Database, label 41838 (entered January 23, 2015), 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?

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 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?

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
Directions: For adults, take one (1) teaspoon one to three times daily, preferably with meals or follow the advice of your health care professional.
Mix with 8 oz. of water.
Warnings
TAMPER RESISTANT: Do not use if seal under cap is broken or missing.
KEEP OUT OF REACH OF CHILDREN.
WARNING: If you are pregnant, nursing, taking any medications or have any medical condition, consult your doctor before use.
Discontinue use and consult your doctor if any adverse reactions occur.
Not intended for use by persons under the age of 18.
Allergens and what it does not contain
FREE OF: artificial color, artificial flavor, artificial sweetener, preservatives, starch, milk, lactose, soy, gluten, wheat, yeast, fish, sodium.
Storage
Store at room temperature and avoid excessive heat.

Source: label statements in DSLD label 41838.

What else is on the label?

Other ingredients: D-Ribose.

How many labels does D-Ribose Powder have?

One label is on file, entered on January 23, 2015.

  1. Label 41838 (current) Entered January 23, 2015 · off the market March 1, 2016 · 5.3 oz. · UPC 7 16963 00988 1

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

Who makes it?

The label names PhysioLogics, LLC (manufacturer), Ronkonkoma, NY, U.S.A.. All PhysioLogics products.

Where next?