D-Mannose 500 mg

by NOW · capsule · 120 veg capsules

  • On the market (NIH)
  • UPC 7 33739 02811 2
  • DSLD label 245572
  • Serving 3 veg capsules
  • 40 servings

D-Mannose 500 mg by NOW lists one ingredient: 1.5 g of D-mannose per serving of 3 veg capsules. Its current label entered the NIH Dietary Supplement Label Database on April 22, 2021.

What is in D-Mannose 500 mg?

Each row as the label prints it, per serving of 3 veg capsules. 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-Mannose 500 mg: Supplement Facts rows against the market (DSLD label 245572, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories5 Calories
Total Carbohydrates1.5 g1%Carbohydrate in D-Mannose 500 mg against 21,979 products1.5 g per serving; the middle half of products list 1 g to 6 g, the median 3 g.1.5 g

73% of 21,979 products listing carbohydrate give more (median 3 g).

Total Sugars1.5 gSugar in D-Mannose 500 mg against 11,807 products1.5 g per serving; the middle half of products list 1 g to 4 g, the median 2 g.1.5 g

68% of 11,807 products listing sugar give more (median 2 g).

D-MannoseD-Mannose Note: 1,500 mg1.5 gMannose in D-Mannose 500 mg against 164 products1.5 g per serving; the middle half of products list 0.5 g to 1.5 g, the median 1 g.1.5 g

Higher than 70% of 164 products listing mannose (median 1 g).

Source: NIH ODS Dietary Supplement Label Database, label 245572 (entered April 22, 2021), 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 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 3 capsules 1 to 3 times daily. Take with water or unsweetened juice, such as unsweetened cranberry juice.
Warnings
Caution: For adults only.
Consult physician if pregnant/nursing, taking medication, or have a medical condition.
Keep out of reach of children.
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 245572.

What else is on the label?

Other ingredients: Hypromellose, Rice Flour, Stearic Acid, Magnesium Stearate, Silicon Dioxide.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Non-GMO Project Verified Nongmoproject.org; Triangle K (Kosher); GMP Quality Assured. Listed with: Non-GMO Project Verified (a seal is the label's claim; the certifier's own list confirms it).

How many labels does D-Mannose 500 mg have?

6 labels are on file under this name since October 1, 2012: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 245572 (current) Entered April 22, 2021 · on the market · 120 veg capsules · UPC 7 33739 02811 2
  2. Label 245573 Entered March 25, 2021 · on the market · 240 veg capsules · UPC 7 33739 02816 7
  3. Label 205755 Entered August 23, 2019 · off the market August 31, 2023 · 240 veg capsules · UPC 7 33739 02816 7
  4. Label 59819 Entered May 22, 2016 · off the market May 1, 2017 · 120 veg capsules · UPC 7 33739 02811 2
  5. Label 36032 Entered August 26, 2014 · off the market January 19, 2016 · 120 veg capsules · UPC 7 33739 02811 2
  6. Label 13914 Entered October 1, 2012 · off the market March 6, 2014 · 120 capsules · UPC 7 33739 02811 2

DSLD also links this label to: D-Mannose (image difference, same product), D-Mannose (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 (packager), Bloomingdale, IL. All NOW products.

Where next?