BioStacks
Best for
Ingredients (7)
Echinacea
100%Dose
850 mg
Target
300–1500 mg
Form
—
Zinc
67%Dose
10 mg
Target
15–30 mg
Form
Standard
Vitamin C
100%Dose
500 mg
Target
250–2000 mg
Form
Budget
Bioflavonoid Concentrate
20%Dose
50 mg
Target
250–1000 mg
Form
—
Rutin Concentrate
4%Dose
10 mg
Target
250–500 mg
Form
—
Other Ingredients (5)
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.
InulinFiller
Prebiotic soluble fiber from chicory root, used as a filler and flow agent in capsules and tablets
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
Rice ConcentrateAnti-caking
A rice-derived blend used as a natural flow agent and anti-caking aid
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
How to Take It
Take it anytime
Take with food — on an empty stomach it commonly causes nausea.
With food
Space it a couple of hours from Iron and Calcium
On the label
Take 2 VegCaps daily with a meal or glass of water. For optimal results, take continually for 14 days. Not recommended to exceed 8 weeks of continual usage without a rest period.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$20.79
Near the median of 375 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.