BioStacks
Best for
Ingredients (3)
Zinc
100%Dose/day
20 mg
Target
15–30 mg
Form
Standard
Lysine hydrochloride
100%Dose/day
1000 mg
Target
1000–3000 mg
Form
Premium
Vitamin C
100%Dose/day
500 mg
Target
250–2000 mg
Form
Budget
Other Ingredients
No other ingredients listed
How to Take It
Take it anytime
Take with food — on an empty stomach it commonly causes nausea.
With food
Lysine does better on an empty stomach, but something else in this bottle needs food. Taking the whole product with a meal is the better trade — an upset stomach is why most people stop.
Space it a couple of hours from Iron and Calcium
Split into 2 doses across the day
On the label
Adults Dose for risk reduction – 2 tablets per day with meals. Dose for managements of outbreak – 2 tablets, 2 times per day with meals, or as prescribed by a health professional. Children under 18 years Only as prescribed by a health 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: 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.