BioStacks
Best for
Ingredients (1)
Vitamin C
36%Dose
90 mg
Target
250–2000 mg
Form
Not listed
Other Ingredients (3)
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.
Purified WaterSolvent
Water meeting USP specifications used as solvent/vehicle in gummies and liquids
GlycerinHumectant
Sweet-tasting liquid used in soft capsules and liquids
How to Take It
Take it anytime
Water-soluble — timing doesn't matter. Split doses above ~500 mg if you want to absorb more of it.
With or without food
On the label
Shake gently before use. Take directly by mouth or add to juice.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$23.95
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.