BioStacks
Best for
Ingredients (5)
Biotin
100%Dose
2500 mcg
Target
1000–5000 mcg
Form
—
Zinc
67%Dose
10 mg
Target
15–30 mg
Form
Standard
Vitamin C
100%Dose
50 mg
Target
25–200 mg
Form
Budget
Vitamin E
20%Dose
10 mg
Target
50–268 mg
Form
Budget
Bovine Collagen Hydrolysate
4%Dose
0.2 g
Target
5–20 g
Form
Premium
Nutrition
Calories, macros & sodium.
- Sodium5 mg
Other Ingredients
No other ingredients listed
How to Take It
Take it anytime
Take it with a meal containing fat — the vitamin E in it absorbs poorly without one.
With a meal containing fat
Space it a couple of hours from Iron and Calcium
On the label
Adults, chew 2 gummies daily or as recommended by your healthcare provider.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$23.99
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.