BioStacks
Best for
Ingredients (2)
Magnesium
100%Dose
300 mg
Target
100–400 mg
Form
Premium
Organic Spinach Leaf
1%Dose
50 mg
Target
5000–15000 mg
Form
—
Other Ingredients (4)
Rice HullsAnti-caking
Ground outer husk of rice grains used as a plant-based flow and anti-caking agent
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Ascorbyl PalmitateAntioxidant
Fat-soluble form of vitamin C used as preservative
HypromelloseCapsule
Plant-derived capsule material from cellulose
How to Take It
Best taken in the evening
Magnesium glycinate is the gentlest form on the gut and the one most people take at night. Absorption doesn't change with the clock — consistency does.
With or without food
Space it a couple of hours from Iron and Calcium
On the label
Adults take 2 capsules daily with food and a beverage. May be taken any time of day.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$34.99
Pricier than 79% of 574 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.