BioStacks
Best for
Ingredients (4)
Vitamin C
100%Dose
300 mg
Target
50–250 mg
Form
Not listed
Naringin
50%Dose
50 mg
Target
100–500 mg
Form
—
Rutin
20%Dose
50 mg
Target
250–500 mg
Form
—
Quercetin
10%Dose
50 mg
Target
500–1000 mg
Form
—
Other Ingredients (2)
Hypoallergenic Plant FiberFiller
Plant-derived cellulose fiber used as a hypoallergenic filler, common in Thorne and Pure Encapsulations products
Capsule ShellCapsule
Generic capsule shell where the label does not specify the material. Common materials are hypromellose (HPMC) for vegetarian capsules and gelatin for traditional capsules — both are GRAS-listed and safe. Fish gelatin and pullulan variants also exist.
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
On the label
As a dietary supplement, take 2 capsules, 1 - 4 times daily, with or between meals.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$53.00
Pricier than 86% of 292 immune supplements
Track this supplement in your stack
Get personalized insights, interactions, and coverage recommendations.
Get Started FreeSimilar Supplements
Sources & Scoring
Nutrient data (RDA, UL, and safety thresholds) sourced from the NIH Office of Dietary Supplements and the 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. studied 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.