BioStacks
Best for
Ingredients (3)
Vitamin C
100%Dose
1000 mg
Target
250–2000 mg
Form
Standard
C-Sorb™ Citrus Bioflavonoid ComplexCitrus Bioflavonoid Complex, Sweet Orange, Tangerine, Lime, Lemon, Acerola Extract, Rutin, Hesperidin Complex, Naturally Occurring Vitamin C Metabolites
41%Dose
102 mg
Target
250–1000 mg
Form
Not listed
Calcium
110 mgTrace amount — not scored
Other Ingredients (6)
MaltodextrinBinder
Spikes blood sugar faster than table sugar (glycemic index 85–105). Research links it to gut bacteria changes that may promote intestinal inflammation (Nickerson et al. 2015). Used as a cheap filler — adds nothing beneficial.
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
Natural Palm Leaf GlazeCoating
A plant wax from the carnauba palm leaf used as a tablet glaze and polish
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
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 one (1) tablet once daily, preferably with a meal.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$16.84
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.