BioStacks
Best for
Ingredients (6)
Vitamin D
100%Dose
1000 IU
Target
1000–5000 IU
Form
Premium
MSM
100%Dose
1000 mg
Target
1000–3000 mg
Form
—
Chondroitin Sulfate
100%Dose
1200 mg
Target
800–1200 mg
Form
Standard
Glucosamine Sulfate
100%Dose
1500 mg
Target
1000–1500 mg
Form
Standard
Vitamin C
100%Dose
300 mg
Target
250–2000 mg
Form
Budget
Other Ingredients (3)
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Croscarmellose SodiumDisintegrant
Cross-linked cellulose derivative used as a superdisintegrant
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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.