You're getting 500mg of **Magnesium** per capsule — well above the 100–400mg clinical supplemental range — from a blend of oxide, citrate, and succinate. That's a generous dose on paper, but the oxide portion absorbs poorly (roughly 4%), so the effective amount reaching your body is significantly lower than the label number suggests. The citrate fraction absorbs well and contributes meaningfully to the dose.
**Magnesium** is involved in hundreds of body processes — energy production, muscle and nerve function, heart rhythm, and sleep quality. Deficiency is extremely common, estimated to affect over half the population, so supplementing makes sense for most people. At this dose level, you're well-covered across the health areas magnesium supports, from stress and mood to bone and heart health.
The 500mg per-capsule dose exceeds the 350mg tolerable upper limit for supplemental magnesium, which means GI side effects like loose stools are possible — especially from the oxide component. If you experience digestive discomfort, splitting to half a capsule or switching to a single well-absorbed form like glycinate or citrate would be worth considering.
1 Capsule · 100 servings · $0.09/serving
Best for
Ingredients (1)
Magnesium
100%Dose
500 mg
Target
100–400 mg
Form
Standard
Other Ingredients (4)
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Stearic AcidLubricant
Saturated fatty acid used as tablet lubricant
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.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$9.00
Cheaper than 96% of 579 magnesium supplements
Track this supplement in your stack
Get personalized insights, interactions, and coverage recommendations.
Get Started FreeSimilar Supplements
Sources & Scoring
Nutrient data (RDA, UL, and safety thresholds) sourced from the NIH Office of Dietary Supplements and the 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.