BioStacks
Carlson

Magnesium 350 mg

1 Capsule · 90 servings · $0.11/serving

iHerbAmazon

Best for

Heart

Ingredients (2)

Magnesium

100%

Dose

350 mg

Target

100–400 mg

Form

Not listed

Magnesium Oxide

100%

Dose

350 mg

Target

100–400 mg

Form

Budget

Other Ingredients (3)

Magnesium StearateLubricant

A salt of stearic acid used as a lubricant in tablet and capsule production

GelatinCapsule

Protein derived from collagen, used in traditional capsule shells

Microcrystalline CelluloseBinder

Plant-derived cellulose used as a binder and filler in supplements

How to Take It

Best taken in the evening

Often taken at night for relaxation and sleep, but absorption is the same anytime — consistency matters most.

With or without food
Space it a couple of hours from Iron and Calcium

On the label

Adults take one capsule daily at mealtime.

General guidance based on the ingredients, not a substitute for the label or your doctor.

Price Check

$9.90

$10$20$50

Cheaper than 93% 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. 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.

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