BioStacks
Best for
Ingredients (3)
Magnesium Citrate
100%Dose
500 mg
Target
100–400 mg
Form
Standard
Vitamin C
43%Dose
108 mg
Target
250–2000 mg
Form
Budget
Magnesium
100%Dose
500 mg
Target
100–400 mg
Form
Not listed
Other Ingredients (1)
GelatinCapsule
Protein derived from collagen, used in traditional capsule shells
How to Take It
Best taken in the evening
Magnesium citrate pulls water into the bowel — mildly laxative at higher doses. Evening suits that; split the dose or switch to glycinate if it's too much.
With or without food
Space it a couple of hours from Iron and Calcium
On the label
Take 3 capsules daily.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$23.95
Near the median of 614 magnesium 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.