You're getting 400mg of **Magnesium** per tablet — right at the top of the clinical supplemental range (100–400mg) — through a five-form blend of citrate, glycinate, malate, taurinate, and succinate. That's a full therapeutic dose in a single tablet for supporting sleep quality, muscle recovery, stress response, and energy production.
The formula also includes 30mg of **Vitamin B6**, which sits comfortably within its clinical range (25–100mg). This pairing is deliberate — B6 helps your body absorb magnesium and transport it into cells more effectively, so the two work together rather than just sharing a tablet.
The one tradeoff: the B6 uses pyridoxine, which your body has to convert before it can use it. At 30mg that's well below the 100mg threshold where pyridoxine can cause nerve issues, but if you're already taking a B-complex, keep an eye on your total B6 intake across products.
BioStacks
Best for
Ingredients (2)
Magnesium
100%Dose
420 mg
Target
100–400 mg
Form
Premium
Vitamin B-6
100%Dose
30 mg
Target
1.3–25 mg
Form
Budget
Other Ingredients (6)
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
Gum AcaciaBinder
Natural plant gum (acacia) used as a binder, stabilizer, and emulsifier in foods and supplements
Hydroxypropyl CelluloseBinder
An inert modified-cellulose polymer used as a binder, film-former, and disintegrant.
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Stearic AcidLubricant
Saturated fatty acid used as tablet lubricant
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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.