BioStacks
Best for
Ingredients (6)
Quercetin Dihydrate
100%Dose
500 mg
Target
500–1000 mg
Form
—
Vitamin C
100%Dose
500 mg
Target
50–250 mg
Form
Budget
Celery seed extract
100%Dose
200 mg
Target
75–150 mg
Form
—
Polyphenols
100%Dose
300 mg
Target
100–1000 mg
Form
—
Luteolin
100%Dose
100 mg
Target
100–300 mg
Form
—
Other Ingredients (3)
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
HypromelloseCapsule
Plant-derived capsule material from cellulose
How to Take It
Best taken in the evening
The Tart Cherry in it is what pulls this toward the evening. What's in this absorbs poorly without a fat-containing meal — take it with one.
With a meal containing fat
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$56.80
Pricier than 88% 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.