BioStacks
Best for
Ingredients (6)
Potassium
100%Dose
158 mg
Target
99–500 mg
Form
—
organic Spirulina whole plant powder
100%Dose
5000 mg
Target
1000–3000 mg
Form
—
Reishi Mushroom fruit powder
100%Dose
3000 mg
Target
1000–3000 mg
Form
—
Astragalus root extract
100%Dose
3000 mg
Target
200–500 mg
Form
—
Dong Quai root plant extract
100%Dose
1000 mg
Target
1000–4500 mg
Form
—
Other Ingredients (3)
SucroseSweetener
Added sugars and high glycemic load; dental caries risk
Natural FlavorsFlavor
Broad regulatory category of flavor constituents derived from natural sources. Composition is proprietary and not disclosed — 'Natural Flavors' can include several hundred different compounds depending on the target flavor profile, including hexane-extracted constituents and proprietary carrier solvents. 'Natural' is a regulatory definition (21 CFR §101.22), not a safety guarantee.
Stevia ExtractSweetener
Zero-calorie natural sweetener extracted from the leaves of Stevia rebaudiana
How to Take It
Take it anytime
Take with food — potassium salts on an empty stomach commonly cause nausea.
With food
On the label
Mix 1 serving with 10 to 12 ounces of cold water, or your favorite beverage. Use first thing in the morning as a great way to jump start your day.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$59.99
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.