BioStacks
Kirkland Signature

Glucosamine & Chondroitin Tablets

2 Tablets · 110 servings

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What it does

A combination of 3 label ingredients.

Glucosamine Sulfate

Form not confirmedGrade —

Studied for knee-osteoarthritis pain and function; results are inconsistent and depend on the exact preparation.

Chondroitin

chondroitin sulfateStandard

May modestly ease knee-osteoarthritis symptoms in some studies, but findings are inconsistent and cartilage-restoration benefits remain uncertain.

Bone & Joint
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Ingredients (2)

IngredientDoseTarget/referenceForm

Nutrition

Calories, macros & sodium.

  • Sodium115 mg

Other ingredients

Coating (unspecified)Coating

Generic tablet coating declaration where the label does not itemize the coating's components; modern aqueous film coatings are typically cellulose-based (HPMC) with a plasticizer

Silicon DioxideAnti-caking

Fine silica powder used to prevent clumping

Magnesium StearateLubricant

A salt of stearic acid used as a lubricant in tablet and capsule production

Microcrystalline CelluloseBinder

Plant-derived cellulose used as a binder and filler in supplements

Croscarmellose SodiumDisintegrant

Cross-linked cellulose derivative used as a superdisintegrant

Microcrystalline CelluloseBinder

Plant-derived cellulose used as a binder and filler in supplements

Lab testing

How to take it

With food

On the label

Adults, as a dietary supplement, take 2 tablets daily, preferably before meals.

The label says to take it on an empty stomach. What's in this one sits better with food, and you give up little by taking it that way.

Price check

$28.69

$0.26 / serving

$20$50

Near the median of 65 chondroitin supplements

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from the NIH Office of Dietary Supplements and the National Academies Dietary Reference Intakes (DRI).

This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.

The score analyzes what's on the label: ingredient doses vs. studied ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.

Not medical advice. Consult your healthcare professional.

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