BioStacks
Best for
Ingredients (2)
Magnesium
100%Dose
250 mg
Target
100–400 mg
Form
Standard
Potassium
100%Dose
99 mg
Target
99–500 mg
Form
Standard
Other Ingredients (9)
Medium Chain Triglyceride OilCarrier
Fractionated oils rich in C8/C10 triglycerides used as neutral carrier or anti-sticking agent
Oleic AcidEmollient
A monounsaturated fatty acid used as an emollient and penetration aid
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
EthylcelluloseCoating
A cellulose-derived polymer used for film coating and binding.
HypromelloseCapsule
Plant-derived capsule material from cellulose
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Stearic AcidLubricant
Saturated fatty acid used as tablet lubricant
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 potassium in it is what makes this kind of product feel nauseating on an empty stomach.
With food
Space it a couple of hours from Iron and Calcium
On the label
Take one (1) capsule once or twice daily, with or without food, or as recommended by a healthcare practitioner.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$19.99
Near the median of 579 magnesium supplements
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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.