BioStacks
Best for
Ingredients (9)
Grape extract
100%Dose
200 mg
Target
150–600 mg
Form
—
Hawthorn extract
100%Dose
200 mg
Target
160–900 mg
Form
—
L-Citrulline
100%Dose
3000 mg
Target
3000–6000 mg
Form
—
Zinc
67%Dose
10 mg
Target
15–30 mg
Form
Premium
Green Coffee bean extract
100%Dose
300 mg
Target
200–800 mg
Form
—
Other Ingredients (3)
Natural Black Cherry FlavorFlavor
A proprietary natural flavoring blend imparting black-cherry taste
Citric AcidAcidulant
Natural acid derived from citrus fruits
Stevia ExtractSweetener
Zero-calorie natural sweetener extracted from the leaves of Stevia rebaudiana
How to Take It
Best taken in the evening
The Magnesium in it is what pulls this toward the evening. Take it with food — the zinc in it is what makes this kind of product feel nauseating on an empty stomach.
With food
Space it a couple of hours from Iron and Calcium
On the label
Mix 1 scoop (7.27 g) into 8 oz. of water or juice. Take once per day or as directed by your healthcare practitioner.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$59.95
Pricier than 90% 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. 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.