BioStacks
Best for
Ingredients (5)
Glucosamine
100%Dose
1500 mg
Target
1000–1500 mg
Form
Standard
Hyaluronic Acid
100%Dose
75 mg
Target
50–200 mg
Form
Standard
kollaGen II-xs Chicken Sternum Cartilage Collagen Type II
75%Dose
0.8 g
Target
1–3 g
Form
Standard
Hydrolyzed Collagen Type II
45%Dose
0.5 g
Target
1–3 g
Form
Standard
Chondroitin sulfate
19%Dose
150 mg
Target
800–1200 mg
Form
Standard
Other Ingredients (4)
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
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
GelatinCapsule
Protein derived from collagen, used in traditional capsule shells
How to Take It
Take it anytime
Glucosamine Sulfate is easier on the stomach taken with food.
With food
On the label
As a dietary supplement take 1 capsule per day or as directed by a healthcare professional.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$18.46
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.