PlainVitamins

Pure D-Ribose Powder

by Hard Rhino · powder · 500 grams

  • On the market (NIH)
  • DSLD label 34292
  • Serving 1,000 mg
  • 500 servings

Pure D-Ribose Powder by Hard Rhino lists one ingredient: 1,000 mg of D-ribose per serving of 1,000 mg. Its current label entered the NIH Dietary Supplement Label Database on June 25, 2014.

What is in Pure D-Ribose Powder?

Each row as the label prints it, per serving of 1,000 mg. 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).

Pure D-Ribose Powder: Supplement Facts rows against the market (DSLD label 34292, January 2026 release)
IngredientAmount% DVAmong products listing it
D-Ribose1,000 mgRibose in Pure D-Ribose Powder against 199 products1 g per serving; the middle half of products list 0.5 g to 5 g, the median 2 g.1 g

61% of 199 products listing ribose give more (median 2 g). Per day at the most servings: 3 g.

Source: NIH ODS Dietary Supplement Label Database, label 34292 (entered June 25, 2014), 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 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 Use: Commonly taken in large quanities initially during the loading phase while the body responds actively. The Recommended dosage can be as little as 3 grams to as much as 20 grams per day during the loading phase. Split the dosage into three equal portions through the day.
Suggested Use: Suggested dosage is 3g per day and up to 20g during load phase. Split dosage into three equal portions throughout the day.
Warnings
WARNING: A micro scale is required for accurate measurements.
WARNING: A scale is required for accurate measurements.
Keep away from children.
Do not take this or any other supplement if you are pregnant or nursing.
Do not take if you have high blood pressure or any medical complications.
Do not take this or any other supplement if you are pregnant or nursing, have high blood pressure or taking other prescription drugs.
Allergens and what it does not contain
No added fillers No flow agents No driers No other ingredients
Allergens: This product contains NO Soy, Milk & Byproducts, Eggs, Fish, Shellfish, Wheat, Gluten, Tree Nuts, or Sesame Seeds.
Storage
Storage: Store in a cool & dry place. Keep away from direct sunlight and heat.
Storage: Store in a cool & dry place. Keep away from strong light & heat.

Source: label statements in DSLD label 34292.

What else is on the label?

Other ingredients: D-Ribose, Powder.

How many labels does Pure D-Ribose Powder have?

One label is on file, entered on June 25, 2014.

  1. Label 34292 (current) Entered June 25, 2014 · on the market · 500 grams

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

Who makes it?

The label names GUARDIAN Biosciences (manufacturer), Phoenix, Arizona. All Hard Rhino products.

Where next?