BioStacks
Best for
Ingredients (5)
Vitamin C
100%Dose
1000 mg
Target
250–2000 mg
Form
Standard
Citrus Bioflavonoid Complex
100%Dose
250 mg
Target
250–1000 mg
Form
—
Acerola powder
50%Dose
50 mg
Target
100–500 mg
Form
—
Rutin powder
20%Dose
50 mg
Target
250–500 mg
Form
—
Calcium
100 mgTrace amount — not scored
Other Ingredients (5)
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Coating (unspecified)Coating
Generic tablet coating declaration where the label does not itemize the coating's components; modern aqueous film coatings are typically cellulose-based (HPMC) with a plasticizer
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
Water-soluble — timing doesn't matter. Split doses above ~500 mg if you want to absorb more of it.
With or without food
On the label
As a dietary supplement, take 1 tablet daily, preferably with meals. Consider taking this product in combination with NOW Grape Seed Extract. Pycnogenol and Alpha Lipoic Acid.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$11.01
Cheaper than 94% of 292 immune 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.