BioStacks
Best for
Ingredients (6)
Vitamin C
100%Dose
1000 mg
Target
250–2000 mg
Form
Budget
Bioflavonoid Support Base
20%Dose
50 mg
Target
250–1000 mg
Form
—
Citrus Bioflavonoid
Amount not found
Hesperidin
Amount not found
Rutin Concentrates
Amount not found
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
Stearic AcidLubricant
Saturated fatty acid used as tablet lubricant
How to Take It
Take it anytime
Plain ascorbic acid is acidic — high doses can bite on an empty stomach. Take it with food if that happens, and split doses above ~500 mg.
With or without food
On the label
Take 1 tablet daily with a meal or glass of water.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$15.17
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.