Glucosamine Plus

by Douglas Laboratories · capsule · 120 vegetarian capsules

  • On the market (NIH)
  • UPC 7 45287 20021 6
  • DSLD label 302509
  • Serving 1 vegetarian capsule
  • 120 servings

Glucosamine Plus by Douglas Laboratories lists 2 ingredients, 2 with an amount per serving of 1 vegetarian capsule, such as 250 mg of glucosamine sulfate potassium chloride and 200 mg of chondroitin sulfate. Its current label entered the NIH Dietary Supplement Label Database on June 20, 2024.

What is in Glucosamine Plus?

Each row as the label prints it, per serving of 1 vegetarian capsule. 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).

Glucosamine Plus: Supplement Facts rows against the market (DSLD label 302509, January 2026 release)
IngredientAmount% DVAmong products listing it
Glucosamine Sulfate Potassium Chlorideas Crab, Shrimp250 mgGlucosamine Sulfate in Glucosamine Plus against 875 products0.25 g per serving; the middle half of products list 0.5 g to 1.5 g, the median 1 g.0.25 g

89% of 875 products listing glucosamine sulfate give more (median 1 g). Per day at the most servings: 0.75 g.

Chondroitin Sulfate200 mgChondroitin Sulfate in Glucosamine Plus against 950 products200 mg per serving; the middle half of products list 200 mg to 1,200 mg, the median 400 mg.200 mg

66% of 950 products listing chondroitin sulfate give more (median 400 mg). Per day at the most servings: 600 mg.

Source: NIH ODS Dietary Supplement Label Database, label 302509 (entered June 20, 2024), 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:

  • 89% of the 875 products that print an amount of glucosamine sulfate list more than its 0.25 g of glucosamine sulfate (median 1 g).

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 usage: As a dietary supplement, adults take 1 capsule 3 times daily or as directed by your health professional.
Warnings
Warning: if you are pregnant, nursing, have any health condition or taking any medication, consult your health professional before using this product.
Keep out of the reach of children.
Use only if safety seal is intact.
Contains: Shellfish (crab, shrimp)
Allergens and what it does not contain
Gluten-free, non-GMO
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 302509.

What else is on the label?

Other ingredients: Microcrystalline Cellulose, Hydroxypropyl Methylcellulose, Stearate, Silica.

How many labels does Glucosamine Plus have?

5 labels are on file under this name since February 23, 2012: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 302509 (current) Entered June 20, 2024 · on the market · 120 vegetarian capsules · UPC 7 45287 20021 6
  2. Label 237967 Entered October 23, 2020 · off the market September 5, 2023 · 120 vegetarian capsules · UPC 7 45287 20021 6
  3. Label 57074 Entered February 23, 2016 · off the market August 21, 2020 · 120 vegetarian capsules · UPC 7 45287 20021 6
  4. Label 10881 Entered July 25, 2012 · off the market December 15, 2015 · 120 vegetarian capsules · UPC 7 45287 20021 6
  5. Label 6248 Entered February 23, 2012 · off the market January 20, 2012 · 120 Vegetarian Capsules · UPC 7 45287 20021 6

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

Who makes it?

The label names Douglas Laboratories (manufacturer), Pittsburgh, PA. All Douglas Laboratories products.

Where next?