BioStacks
Best for
Ingredients (8)
Vitamin C
100%Dose/day
1000 mg
Target
50–250 mg
Form
Standard
Quercetin
100%Dose/day
1000 mg
Target
500–1000 mg
Form
—
Acerola
100%Dose/day
100 mg
Target
100–500 mg
Form
—
Bromelain
40%Dose/day
200 gdu
Target
500–2400 gdu
Form
—
Citrus Bioflavonoid Complex
40%Dose/day
100 mg
Target
250–1000 mg
Form
—
Other Ingredients (5)
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
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
What's in this absorbs poorly without a fat-containing meal — take it with one.
With a meal containing fat
Split into 2 doses across the day
On the label
As a dietary supplement for adults, take two (2) vegetable capsules twice daily, preferably with a meal or as directed by a healthcare practitioner.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$20.85
Near the median of 544 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.