Maximum Strength Glucosamine Relief 1000 mg Bonus Size

Name: Maximum Strength Glucosamine Relief 1000 mg Bonus Size
Brand: 21st Century

other240 servings1 Caplet(s)

Sugar Free

/100fair label

Check price on iHerb

Supplement Facts

Ingredient	Amount	% DV% Daily Value — how much of the recommended daily intake one serving provides, based on a 2,000 calorie diet. 100% = full daily need. Values over 100% are common for water-soluble vitamins (B, C) and generally safe. Values over 200% are highlighted.
Calcium	99 mg	10%
Glucosamine Sulfate	1000 mg	—

Other ingredients: Cellulose, Hydroxypropyl Cellulose, Stearic Acid, Silicon Dioxide, Titanium Dioxide, Pharmaceutical Glaze, Magnesium Stearate

Score Breakdown

Dosage TransparencyAre all ingredient amounts explicitly listed on the label? Are %DV values provided where applicable? This measures transparency of dosing, not clinical efficacy.

17/35

Label TransparencyHow complete is the labeling? Checks serving info, dietary certifications, and whether any doses are hidden behind proprietary blends.

23/25

Formulation CleanlinessHow clean are the inactive ingredients? Penalizes artificial colors, sweeteners, titanium dioxide. Rewards vegan, gluten-free, organic.

10/25

Ingredient ProfileFormula composition signals: focused vs comprehensive, use of branded/patented forms (KSM-66, Albion, etc.), explicit dosing.

5/15

This score evaluates label quality — dosage disclosure, transparency, cleanliness of inactive ingredients, and formula composition. It does not measure clinical efficacy, bioavailability, or third-party testing. Read full methodology

Better-scored alternatives

Same category, higher SupplementScore. Based on dosage transparency, label cleanliness, and formula quality.

GNCCalcium Citrate 1000

other45 servings

85/100+30

Bayer CitracalCitracal Maximum Calcium Citrate

other60 servings

85/100+30

CitracalCitracal Maximum Calcium Citrate

General Ingredient Research — not an evaluation of this product

The research summaries below are about the ingredients in general, drawn from published studies that often use different doses, forms, and populations than this product. A "strong" evidence rating for an ingredient does not mean this product will produce that effect — studied doses may be significantly higher or lower than what is contained here. Always verify doses against the Supplement Facts table above.

Calcium

strong

Supports bone health

Primary structural component of bones. Adequate lifelong intake, combined with vitamin D, helps prevent osteoporosis — supported by extensive clinical evidence.

strong

Supports muscle function

Essential for muscle contraction through calcium signaling.

Reviews (0)

No reviews yet.

All scores are algorithmically generated from publicly available label data (NIH Dietary Supplement Label Database) and reflect label quality — not clinical efficacy, safety, or product quality. This page is not affiliated with or endorsed by 21st Century. If you represent this brand and believe any information is inaccurate, please contact us for a correction. Read full methodology