PlainVitamins

Glucosamine & MSM

by NOW · capsule · 60 capsules

  • On the market (NIH)
  • UPC 7 33739 03278 2
  • DSLD label 335241
  • Serving 2 capsules
  • 30 servings

Glucosamine & MSM by NOW lists 4 ingredients, 4 with an amount per serving of 2 capsules, such as 1.1 g of glucosamine sulfate, 500 mg of methylsulfonylmethane and 50 mg of chondroitin sodium sulfate. Its current label entered the NIH Dietary Supplement Label Database on September 25, 2025.

What is in Glucosamine & MSM?

Each row as the label prints it, per serving of 2 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).

Glucosamine & MSM: Supplement Facts rows against the market (DSLD label 335241, January 2026 release)
IngredientAmount% DVAmong products listing it
Glucosamine Sulfate1,100 mg1.1 gGlucosamine Sulfate in Glucosamine & MSM against 875 products1.1 g per serving; the middle half of products list 0.5 g to 1.5 g, the median 1 g.1.1 g

Higher than 60% of 875 products listing glucosamine sulfate (median 1 g). Per day at the most servings: 2.2 g.

Glucosamine Potassium Sulfate Complex1,500 mg
Methylsulfonylmethane500 mgMethylsulfonylmethane in Glucosamine & MSM against 1,454 products500 mg per serving; the middle half of products list 150 mg to 1,000 mg, the median 500 mg.500 mg

36% of 1,454 products listing methylsulfonylmethane give more (median 500 mg). Per day at the most servings: 1,000 mg.

Chondroitin Sodium Sulfateas Bovine Cartilage50 mgChondroitin Sulfate in Glucosamine & MSM against 950 products50 mg per serving; the middle half of products list 200 mg to 1,200 mg, the median 400 mg.50 mg

94% of 950 products listing chondroitin sulfate give more (median 400 mg). Per day at the most servings: 100 mg.

Source: NIH ODS Dietary Supplement Label Database, label 335241 (entered September 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:

  • 94% of the 950 products that print an amount of chondroitin sulfate list more than its 50 mg of chondroitin sodium sulfate (filed by NIH under chondroitin sulfate) (median 400 mg).

The NIH database records 1 to 2 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: Take 2 capsules 1 to 2 times daily.
Warnings
Caution: Persons with a known allergy to shellfish should not use this product.
Consult physician if pregnant/nursing, taking medication, or have a medical condition (especially glaucoma).
Keep out of reach of children.
Contains shellfish (shrimp, crab).
Not manufactured with wheat, gluten, soy, corn, milk, egg, fish, tree nut or sesame 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 wheat, gluten, soy, corn, milk, egg, fish, tree nut or sesame ingredients.
Storage
Store in a cool, dry place after opening.

Source: label statements in DSLD label 335241.

What else is on the label?

Other ingredients: Hypromellose, Stearic Acid, Magnesium Stearate.

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

How many labels does Glucosamine & MSM have?

11 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 335241 (current) Entered September 25, 2025 · on the market · 60 capsules · UPC 7 33739 03278 2
  2. Label 74489 Entered June 23, 2017 · on the market · 180 veg capsules · UPC 7 33739 03279 9
  3. Label 57315 Entered March 24, 2016 · off the market May 1, 2017 · 180 veg capsules · UPC 7 33739 03279 9
  4. Label 57313 Entered March 24, 2016 · on the market · 60 veg capsules · UPC 7 33739 03278 2
  5. Label 42797 Entered February 25, 2015 · off the market December 23, 2015 · 180 veg capsules · UPC 7 33739 03279 9
  6. Label 42796 Entered February 25, 2015 · off the market December 23, 2015 · 60 veg capsules · UPC 7 33739 03278 2
  7. Label 14881 Entered October 25, 2012 · off the market February 16, 2015 · 180 capsules · UPC 7 33739 03279 9
  8. Label 14880 Entered October 25, 2012 · off the market February 16, 2015 · 60 capsules · UPC 7 33739 03278 2
  9. Label 14424 Entered October 25, 2012 · off the market December 23, 2015 · 120 vcaps(R) · UPC 7 33739 03130 3
  10. Label 14422 Entered October 25, 2012 · off the market December 23, 2015 · 240 vcaps(R) · UPC 7 33739 03131 0
  11. Label 2813 Entered December 23, 2011 · off the market August 9, 2012 · 60 capsules · UPC 7 33739 03278 2

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 products.

Where next?