PlainVitamins

Glucosamine & MSM

by Natrol · capsule · 360 capsules

  • On the market (NIH)
  • UPC 0 47469 16124 8
  • DSLD label 203338
  • Serving 2 capsules
  • 180 servings

Glucosamine & MSM by Natrol lists 4 ingredients, 4 with an amount per serving of 2 capsules, such as 87 mg of potassium, 670 mg of glucosamine sulfate dipotassium chloride and 500 mg of methylsulfonylmethane. Its current label entered the NIH Dietary Supplement Label Database on August 23, 2019.

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 203338, January 2026 release)
IngredientAmount% DVAmong products listing it
Potassium87 mg2%Potassium in Glucosamine & MSM against 11,614 products87 mg per serving; the middle half of products list 50 mg to 190 mg, the median 99 mg.DV 4,700 mg87 mg

57% of 11,614 products listing potassium give more (median 99 mg). Per day at the most servings: 261 mg.

Glucosamine Sulfate Dipotassium Chloride670 mgGlucosamine Sulfate in Glucosamine & MSM against 875 products0.67 g per serving; the middle half of products list 0.5 g to 1.5 g, the median 1 g.0.67 g

62% of 875 products listing glucosamine sulfate give more (median 1 g). Per day at the most servings: 2.01 g.

Glucosamine Sulfate500 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: 1,500 mg.

Source: NIH ODS Dietary Supplement Label Database, label 203338 (entered August 23, 2019), 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?

The products whose ingredient lists overlap most with Glucosamine & MSM's, rare ingredients counting for more.

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 2 capsules, three times daily, with a meal.
Warnings
Warning: Consult your healthcare professional prior to use if you have or suspect a medical condition, are taking prescription drugs, or are pregnant or lactating.
Keep out of reach of children.
Contains: Crustacean shellfish (crab and shrimp)
Allergens and what it does not contain
No: Milk, egg, fish, tree nuts, peanuts, wheat, soybeans, yeast, artificial colors or flavors, added sugar or preservatives
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 203338.

What else is on the label?

Other ingredients: Gelatin, Magnesium Stearate, Silicon Dioxide.

How many labels does Glucosamine & MSM have?

One label is on file, entered on August 23, 2019.

  1. Label 203338 (current) Entered August 23, 2019 · on the market · 360 capsules · UPC 0 47469 16124 8

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

Who makes it?

The label names Natrol, LLC. (manufacturer), Chatsworth, CA. All Natrol products.

Where next?