PlainVitamins

D-Ribose Powder

by NOW Sports · powder · 4 oz.

  • Off the market since December 2018 (NIH)
  • UPC 7 33739 02146 5
  • DSLD label 74234
  • Serving 1.5 tsp (approx. 5 g)
  • 23 servings

D-Ribose Powder by NOW Sports lists one ingredient: 5 g of bioenergy ribose per serving of 1.5 tsp. Its current label entered the NIH Dietary Supplement Label Database on May 24, 2017.

What is in D-Ribose Powder?

Each row as the label prints it, per serving of 1.5 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 74234, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories20 Calories
Total Carbohydrates5 g2%Carbohydrate in D-Ribose Powder 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 Powder 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).

Bioenergy Riboseas D-Ribose, PowderD-Ribose powder (Alt. Name: Bioenergy Ribose) Note: 5,000 mg5 gRibose in D-Ribose Powder 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 74234 (entered May 24, 2017), 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 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 Usage: Take 1 1/2 level teaspoons daily, prior to exercise.
Warnings
Consult physician if pregnant/nursing, taking medication, or have a medical condition.
Keep out of reach of children.
Do not eat freshness packet enclosed.
Not manufactured with yeast, wheat, gluten, soy, milk, egg, fish, shellfish or tree nut ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.
Allergens and what it does not contain
Non-GMO
Not manufactured with yeast, wheat, gluten, soy, milk, egg, fish, shellfish or tree nut ingredients.
Storage
Store in a cool, dry place after opening.

Source: label statements in DSLD label 74234.

What else is on the label?

Other ingredients: None.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): GMP Qualified Assured.

How many labels does D-Ribose Powder have?

15 labels are on file under this name since December 23, 2011: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 74234 (current) Entered May 24, 2017 · off the market December 6, 2018 · 4 oz. · UPC 7 33739 02146 5
  2. Label 69638 Entered January 25, 2017 · off the market May 1, 2017 · 4 oz. · UPC 7 33739 02146 5
  3. Label 66040 Entered October 22, 2016 · off the market December 6, 2018 · 8 oz. · UPC 7 33739 02147 2
  4. Label 66036 Entered October 22, 2016 · off the market December 6, 2018 · 1 lb · UPC 7 33739 02137 3
  5. Label 41447 Entered January 23, 2015 · off the market April 18, 2016 · 1 lb · UPC 7 33739 02137 3
  6. Label 40368 Entered December 29, 2014 · off the market April 18, 2016 · 8 oz. · UPC 7 33739 02147 2
  7. Label 40366 Entered December 29, 2014 · off the market July 18, 2016 · 4 oz. · UPC 7 33739 02146 5
  8. Label 36661 Entered August 26, 2014 · off the market November 26, 2014 · 4 oz. · UPC 7 33739 02146 5
  9. Label 36136 Entered August 26, 2014 · off the market November 26, 2014 · 8 oz. · UPC 7 33739 02147 2
  10. Label 36134 Entered August 26, 2014 · off the market June 3, 2014 · 4 oz. · UPC 7 33739 02146 5
  11. Label 36005 Entered August 26, 2014 · off the market January 8, 2015 · 1 lb · UPC 7 33739 02137 3
  12. Label 13284 Entered February 25, 2013 · off the market March 6, 2014 · 8 oz. · UPC 7 33739 02147 2
  13. Label 13214 Entered December 21, 2012 · off the market March 6, 2014 · 1 lb · UPC 7 33739 02137 3
  14. Label 13280 Entered October 1, 2012 · off the market March 6, 2014 · 4 oz. · UPC 7 33739 02146 5
  15. Label 2809 Entered December 23, 2011 · off the market August 9, 2012 · 8 oz. · UPC 7 33739 02147 2

DSLD also links this label to: D-Ribose Powder 5000 mg (image difference, same product), D-Ribose Powder 5000 mg (package size difference, same product), D-Ribose Powder 5000 mg (package size difference, same product), D-Ribose Powder 5000 mg (package size difference, same product), D-Ribose Powder 5000 mg (package size difference, same product), D-Ribose Powder 5000 mg (package size difference, same product).

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

Who makes it?

The label names NOW FOODS (manufacturer), Bloomingdale, IL. All NOW Sports products.

Where next?