Maximum Strength Glucosamine Relief 1000 mg

by 21st Century · tablet or pill · 240 tablets

On the market (NIH)
UPC 7 40985 23018 3
DSLD label 43682
Serving 1 tablet

Maximum Strength Glucosamine Relief 1000 mg by 21st Century lists 2 ingredients, 2 with an amount per serving of 1 tablet, such as 99 mg of calcium and 1,000 mg of glucosamine sulfate. Its current label entered the NIH Dietary Supplement Label Database on March 25, 2015.

What is in Maximum Strength Glucosamine Relief 1000 mg?

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

Maximum Strength Glucosamine Relief 1000 mg: Supplement Facts rows against the market (DSLD label 43682, January 2026 release)
Ingredient	Amount	% DV	Among products listing it
Calciumas Calcium Carbonate	99 mg	10%	58% of 17,831 products listing calcium give more (median 115 mg). Per day at the most servings: 198 mg.
Glucosamine Sulfateas Glucosamine Sulfate 2KCl	1,000 mg		40% of 875 products listing glucosamine sulfate give more (median 1 g). Per day at the most servings: 2 g.

Source: NIH ODS Dietary Supplement Label Database, label 43682 (entered March 25, 2015), 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 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?

5 products list the very same ingredients; the nearest amounts come first.

Maximum Strength Glucosamine Relief 1000 mg Bonus Size21st Century · off the market same ingredients
Glucosamine Sulfate 500 mgPhysioLogics · off the market same ingredients
Glucosamine Sulfate 500 mgVitamin World same ingredients
Glucosamine Sulfate 500 mgPuritan's Pride same ingredients
Glucosamine Sulfate 750 mgWindmill Natural Vitamins same ingredients
Glucosamine Sulfate 500GNC · off the market 1 shared, 73% alike

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: As a dietary supplement, take one (1) tablet daily. If necessary increase to two (2) tablets daily, one in the morning and one after dinner, or as directed by a healthcare provider. Daily dosage may vary based on individual needs. Allow one week for best results. Do not exceed recommended dosage. Individual results may vary.
Warnings: Contains shellfish (shrimp, crab, lobster, crayfish) ingredients.; Stop use and contact a physician if adverse reactions occur.; WARNING: IF YOU ARE DIABETIC, CONSULT YOUR PHYSICIAN BEFORE USING THIS PRODUCT.; If you have a Shellfish allergy please consult your physician before using this product.; Stop use and consult a physician if adverse reactions occur.; Keep out of reach of children.; Do not use if product appears to be tampered with or seal is broken.; Warning: Consult a healthcare provider prior to use if: pregnant, nursing, on medications, have a medical condition or are planning a medical procedure.
Allergens and what it does not contain: No added Sugar, Salt, Yeast, Preservatives or Artificial Flavors.
Storage: Store at room temperature.

Source: label statements in DSLD label 43682.

What else is on the label?

Other ingredients: Cellulose, Stearic Acid, Polyplasdone, Magnesium Stearate, Titanium Dioxide, Polydextrose, Silicon Dioxide, PEG.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): LABORATORY TESTED GUARANTEED QUALITY.

How many labels does Maximum Strength Glucosamine Relief 1000 mg have?

One label is on file, entered on March 25, 2015.

Label 43682 (current) Entered March 25, 2015 · on the market · 240 tablets · UPC 7 40985 23018 3

DSLD also links this label to: Maximum Strength Glucosamine Relief 1000 mg Bonus Size (image 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 21st Century Healthcare, Inc. (manufacturer), Tempe, AZ. All 21st Century products.