BioStacks
Best for
Ingredients (5)
Magnesium
100%Dose
100 mg
Target
100–400 mg
Form
Premium
Calcium
100%Dose
200 mg
Target
200–600 mg
Form
Standard
Zinc
40%Dose
6 mg
Target
15–30 mg
Form
Standard
Vitamin C
4%Dose
10 mg
Target
250–2000 mg
Form
Budget
Boron
17%Dose
0.5 mg
Target
3–6 mg
Form
Standard
Other Ingredients (1)
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
How to Take It
Best taken in the evening
The Magnesium in it is what pulls this toward the evening. Take it with food — the zinc in it is what makes this kind of product feel nauseating on an empty stomach.
With food
Keep it away from high-oxalate foods like spinach
Space it a couple of hours from Iron
On the label
One (1) capsule daily, or as directed by a healthcare professional.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$63.99
Pricier than 95% 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.