BioStacks
Best for
Ingredients (8)
Cranberry Fruit Extract Blend
80%Dose
400 mg
Target
500–1500 mg
Form
—
standardized to 4% proanthocyanidins
100%Dose
200 mg
Target
150–300 mg
Form
—
Vitamin C
20%Dose
50 mg
Target
250–2000 mg
Form
Standard
D-Mannose
50%Dose
500 mg
Target
1000–2000 mg
Form
—
Magnesium
30 mgTrace amount — not scored
Other Ingredients (1)
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
How to Take It
Take it anytime
Studied as a twice-daily dose — its effect on bacterial adhesion is short-lived, so one big dose isn't equivalent.
With or without food
On the label
Consume two capsules daily.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$69.90
Pricier than 95% 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.