A combination of 3 label ingredients.
Studied for knee-osteoarthritis pain and function; results are inconsistent and depend on the exact preparation.
May modestly ease knee-osteoarthritis symptoms in some studies, but findings are inconsistent and cartilage-restoration benefits remain uncertain.
Calories, macros & sodium.
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
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.
$28.69
$0.26 / serving
Near the median of 65 chondroitin supplements

NOW
Extra Strength Glucosamine & Chondroitin
🦴 for Bone & Joint

Protocol For Life Balance
Glucosamine & Chondroitin
🦴 for Bone & Joint
Member's Mark
Glucosamine HCl 1500 mg Chondroitin Sulfate Sodium 1200 mg
🦴 for Bone & Joint

Natural Factors
Glucosamine & Chondroitin 500 mg / 400 mg
🦴 for Bone & Joint

21st Century
Triple Strength Glucosamine 750 mg Chondroitin 600 mg
🦴 for Bone & Joint
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.