BioStacks
Best for
Ingredients (2)
Magnesium
100%Dose
200 mg
Target
100–400 mg
Form
Standard
Magnesium Citrate
100%Dose
200 mg
Target
100–400 mg
Form
Standard
Other Ingredients (2)
Rice ConcentrateAnti-caking
A rice-derived blend used as a natural flow agent and anti-caking aid
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
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
As a dietary supplement, adults take 2 capsules per day or as directed by your health care practitioner. Best when taken with a meal.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$20.95
Near the median of 579 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. 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.