PlainVitamins

D-Ribose Tablets

by Life Extension · tablet or pill · 100 vegetarian tablets

  • On the market (NIH)
  • UPC 7 37870 14733 6
  • DSLD label 328438
  • Serving 1 to 5 vegetarian tablets; amounts per 5 vegetarian tablets
  • 20 servings

D-Ribose Tablets by Life Extension lists 2 ingredients, 2 with an amount per serving of 5 vegetarian tablets, such as 80 mg of calcium and 5,100 mg of bioenergy ribose, beside 2 Nutrition Facts rows (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on March 25, 2025.

What is in D-Ribose Tablets?

Each row as the label prints it, per serving of 5 vegetarian tablets. 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 Tablets: Supplement Facts rows against the market (DSLD label 328438, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories20 Calories
Total Carbohydrates5 g2%Carbohydrate in D-Ribose Tablets 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 Tablets 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).

Calciumas Dicalcium Phosphate80 mg6%Calcium in D-Ribose Tablets against 17,831 products80 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg80 mg

62% of 17,831 products listing calcium give more (median 115 mg).

Bioenergy Riboseas D-Ribose5,100 mgRibose in D-Ribose Tablets against 199 products5.1 g per serving; the middle half of products list 0.5 g to 5 g, the median 2 g.5.1 g

Higher than 96% of 199 products listing ribose (median 2 g).

Source: NIH ODS Dietary Supplement Label Database, label 328438 (entered March 25, 2025), 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?

The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:

  • Its 5.1 g of bioenergy ribose (filed by NIH under ribose) is higher than 96% of the 199 ribose products that print an amount; 4 list more.

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?

1 product lists 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: Take five (5) tablets daily with food or supporting cardiovascular health and energy levels in working muscles, or as recommended by a healthcare practitioner. For alternative dosing, take one (1) tablet daily for general health. Continued use is necessary to maintain the benefits of D-Ribose Tablets.
Warnings
Read the entire label and follow the directions carefully prior to use.
Warnings: Keep out of reach of children.
Do not exceed recommended dose. Do not purchase if outer seal is damaged.
Consult with your physician if you are undergoing treatment for a medical condition or if you are pregnant or lactating.
To report a serious adverse event or obtain product information, contact 1-866-280-2852.
Allergens and what it does not contain
Gluten Free Non GMO Le Certified
Storage
Store tightly closed in a cool, dry place.

Source: label statements in DSLD label 328438.

What else is on the label?

Other ingredients: Microcrystalline Cellulose, Croscarmellose Sodium, Stearic Acid, Silica, Water, Purified, Hydroxypropyl Methylcellulose, Glycerin, Stearate.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Non GMO Le Certified.

How many labels does D-Ribose Tablets have?

4 labels are on file under this name since June 24, 2016: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 328438 (current) Entered March 25, 2025 · on the market · 100 vegetarian tablets · UPC 7 37870 14733 6
  2. Label 231825 Entered August 23, 2020 · off the market August 9, 2023 · 100 vegetarian tablets · UPC 7 37870 14733 6
  3. Label 62154 Entered June 24, 2016 · off the market July 14, 2020 · 100 vegetarian tablets · UPC 7 37870 14733 6
  4. Label 62152 Entered June 24, 2016 · off the market April 1, 2016 · 100 vegetarian tablets · UPC 7 37870 14733 6

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

Who makes it?

The label names Quality Supplements and Vitamins, Inc. (distributor), Ft. Lauderdale, FL. All Life Extension products.

Where next?