BioStacks
Best for
Ingredients (11)
Potassium
100%Dose
160 mg
Target
99–500 mg
Form
—
Grape Seed Extract
100%Dose
300 mg
Target
150–600 mg
Form
—
Quercetin
100%Dose
500 mg
Target
500–1000 mg
Form
—
Vitamin C
90%Dose
45 mg
Target
50–250 mg
Form
Standard
Vitamin D
40%Dose
400 IU
Target
1000–5000 IU
Form
Premium
Nutrition
Calories, macros & sodium.
- Sodium 10 mg
Other Ingredients (1)
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
How to Take It
Take it anytime
No evidence a formula this broad works better at any particular hour. Take it with a meal containing fat — the vitamin D in it absorbs poorly without one.
With a meal containing fat
Space it a couple of hours from Iron and Calcium
On the label
Adults: Take 3 capsules per day with food or as prescribed by your health professional.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$47.95
Pricier than 91% 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.