BioStacks
Best for
Ingredients (2)
Vitamin C
100%Dose
1000 mg
Target
250–2000 mg
Form
Standard
Calcium
110 mgTrace amount — not scored
Other Ingredients (4)
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
Calcium SilicateAnti-caking
Inorganic compound used as an anti-caking and flow agent in powdered supplements
Natural Palm Leaf GlazeCoating
A plant wax from the carnauba palm leaf used as a tablet glaze and polish
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
How to Take It
Take it anytime
Water-soluble — timing doesn't matter. Split doses above ~500 mg if you want to absorb more of it.
With or without food
On the label
For adults, take two (2) vegetarian tablets once daily, preferably with a meal.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$17.77
Near the median of 502 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.