BioStacks
Best for
Ingredients (3)
Cranberry concentrate
100%Dose/day
3200 mg
Target
500–1500 mg
Form
—
D-Mannose
100%Dose/day
6000 mg
Target
1000–2000 mg
Form
—
Vitamin C
96%Dose/day
240 mg
Target
250–2000 mg
Form
Budget
Other Ingredients (5)
XylitolSweetener
A FODMAP sugar alcohol that can cause GI distress (bloating, gas, diarrhea) at moderate doses (>10-20g/day), though supplement amounts are typically small. Extremely toxic to dogs — households with pets should store securely.
Natural FlavorsFlavor
Broad regulatory category of flavor constituents derived from natural sources. Composition is proprietary and not disclosed — 'Natural Flavors' can include several hundred different compounds depending on the target flavor profile, including hexane-extracted constituents and proprietary carrier solvents. 'Natural' is a regulatory definition (21 CFR §101.22), not a safety guarantee.
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Citric AcidAcidulant
Natural acid derived from citrus fruits
Stevia ExtractSweetener
Zero-calorie natural sweetener extracted from the leaves of Stevia rebaudiana
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
Split into 4 doses across the day
On the label
Take 1 level teaspoon (4.8 grams) in 4 to 6 ounces of cold water. For general urinary tract support, drink once daily.* Can be repeated four to five times daily.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$50.99
Pricier than 92% 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.