BioStacks
Best for
Ingredients (2)
D-Glucosamine Hydrochloride
75%Dose
750 mg
Target
1000–1500 mg
Form
Premium
Chondroitin Sulfate
75%Dose
600 mg
Target
800–1200 mg
Form
Standard
Other Ingredients (5)
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
CrospovidoneDisintegrant
Cross-linked synthetic polymer used as a tablet disintegrant to help tablets break apart quickly in the stomach
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Beetroot Juice PowderColorant
Natural red colorant and mild flavoring derived from beetroot; often spray-dried onto maltodextrin carrier
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Protocol For Life Balance
Glucosamine & Chondroitin
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81
Kirkland Signature
Glucosamine & Chondroitin Tablets
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Natural Factors
Glucosamine & Chondroitin 500 mg / 400 mg
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21st Century
Triple Strength Glucosamine 750 mg Chondroitin 600 mg
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44
Sources & Scoring
Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and 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. clinical 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.