BioStacks
Best for
Ingredients (5)
Glucosamine HCl
100%Dose
1500 mg
Target
1000–1500 mg
Form
—
Boron
100%Dose
3 mg
Target
3–6 mg
Form
—
Chondroitin Sulfate
100%Dose
1200 mg
Target
800–1200 mg
Form
Standard
Manganese
100%Dose
2 mg
Target
1.8–5 mg
Form
Budget
Vitamin C
24%Dose
60 mg
Target
250–2000 mg
Form
Budget
Nutrition
Calories, macros & sodium.
- Sodium110 mg
Other Ingredients (8)
Titanium DioxideColorant
Banned in the EU (2022) over concerns that its ultra-fine particles may damage DNA in gut cells. Still allowed in the US. Used only for white coloring — provides no health benefit.
PolydextroseFiller
A synthetic soluble fiber/bulking agent made from glucose
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
CrospovidoneDisintegrant
Cross-linked synthetic polymer used as a tablet disintegrant to help tablets break apart quickly in the stomach
TriacetinPlasticizer
Glycerol triacetate used as a plasticizer in film coats and a flavor carrier
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Stearic AcidLubricant
Saturated fatty acid used as tablet lubricant
How to Take It
Take it anytime
Take with food to avoid stomach upset. Benefits, where they exist, take weeks of daily use to appear.
With food
Space it a couple of hours from Iron
On the label
For adults, take two (2) caplets daily, preferably with a meal.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$49.95
Pricier than 92% of 544 vitamin C supplements
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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.