BioStacks
Best for
Ingredients (4)
Magnesium Glycinate
100%Dose
100 mg
Target
100–400 mg
Form
Premium
L-Theanine
100%Dose
200 mg
Target
100–250 mg
Form
—
Magnesium
100%Dose
100 mg
Target
100–400 mg
Form
Not listed
Rhodiola Root Extract
35%Dose
50 mg
Target
144–400 mg
Form
Not listed
Other Ingredients (4)
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
HypromelloseCapsule
Plant-derived capsule material from cellulose
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
How to Take It
Best taken in the morning
Mildly stimulating adaptogen — take in the morning, ideally before breakfast.
On an empty stomach
Space it a couple of hours from Iron and Calcium
On the label
Take 2 capsules per day with or between meals. Recommended for adults.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$17.99
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.