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What it does
Glucosamine Sulfate
glucosamine sulfateStandard
Studied for knee-osteoarthritis pain and function; results are inconsistent and depend on the exact preparation.
Ingredients (1)
Other ingredients
Rice FlourFiller
Rice-based ingredients carry risk of inorganic arsenic contamination (FDA and Consumer Reports). Rice accumulates arsenic from soil at higher rates than other grains. Used as a cheap filler — adds nothing beneficial.
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
GelatinCapsule
Protein derived from collagen, used in traditional capsule shells
Lab testing
How to take it
With food
Split into 3 doses across the day
On the label
As a dietary supplement, take one capsule three times per day with food and water or as recommended by your healthcare provider.
Price check
$19.84
$0.05 / serving
Near the median of 54 glucosamine sulfate 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.