BioStacks
Other Ingredients (9)
IsomaltSweetener
A poorly-absorbed sugar alcohol that can cause bloating, gas, and laxative effects at higher doses (EFSA notes laxative threshold for polyols). Tolerable for most, but cumulative across products.
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
Medium Chain Triglyceride OilCarrier
Fractionated oils rich in C8/C10 triglycerides used as neutral carrier or anti-sticking agent
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Calcium CarbonateBuffer
Common calcium salt used as a buffering agent, filler, or mineral fortification in supplements
Croscarmellose SodiumDisintegrant
Cross-linked cellulose derivative used as a superdisintegrant
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 evening
Magnesium bisglycinate 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
Take 2 caplets daily, preferably with a meal.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$29.99
Pricier than 70% 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.