BioStacks
Best for
Ingredients (4)
Echinacea Herb Extract
100%Dose
400 mg
Target
300–1500 mg
Form
—
Sambucus nigra Herb Extract
67%Dose
200 mg
Target
300–600 mg
Form
—
Vitamin C
28%Dose
70 mg
Target
250–2000 mg
Form
Budget
Propolis extract
20%Dose
100 mg
Target
500–1000 mg
Form
—
Other Ingredients
No other ingredients listed
How to Take It
Take it anytime
Plain ascorbic acid is acidic — high doses can bite on an empty stomach. Take it with food if that happens, and split doses above ~500 mg.
With or without food
On the label
Adults take 2 gummies daily, preferably with a meal. May be taken with or without food.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$19.99
Near the median of 502 vitamin C 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. 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.