BioStacks
Best for
Ingredients (4)
Vitamin C
100%Dose/day
1500 mg
Target
250–2000 mg
Form
Budget
Zinc
40%Dose/day
6 mg
Target
15–30 mg
Form
Standard
Echinacea purpurea herb juice dry
22%Dose/day
66.7 mg
Target
300–1500 mg
Form
—
Allium sativum fresh bulb extract
4%Dose/day
25.0 mg
Target
600–1200 mg
Form
Not listed
Other Ingredients
No other ingredients listed
How to Take It
Take it anytime
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
Split into 3 doses across the day
On the label
Adults: take 1 tablet three times daily or as recommended by your healthcare professional
General guidance based on the ingredients, not a substitute for the label or your doctor.
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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.