BioStacks
Every active here is dosed below the amount studied to work. See how each one compares in the breakdown below.
Ingredients (3)
Vitamin A
13%Dose
90 mcg RAE
Target
700–1500 mcg
Form
Budget
Vitamin C
16%Dose
4 mg
Target
25–200 mg
Form
Not listed
Iron
1.6 mgTrace amount — not scored
Nutrition
Calories, macros & sodium.
- Sodium5 mg
Other Ingredients (1)
Spirulina Extract (Color)Colorant
Natural blue colorant derived from the cyanobacterium Arthrospira platensis (spirulina); the pigment is phycocyanin
How to Take It
Take it anytime
Fat-soluble — take with a meal containing fat for better absorption. Time of day doesn't matter.
With a meal containing fat
On the label
Take 1 teaspoon per day, or as advised by a qualified health care professional.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$44.95
Pricier than 94% of 375 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. 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.