BioStacks
Isotonix

Magnesium

Liquid · 1 Capful (3.3 G) · 90 servings · $0.57/serving

iHerbAmazon

Best for

Heart

Ingredients (4)

Magnesium

100%

Dose

200 mg

Target

100–400 mg

Form

Not listed

Potassium

76%

Dose

75 mg

Target

99–500 mg

Form

Standard

Magnesium Citrate

Amount not found

Magnesium Glycinate

Amount not found

Other Ingredients (11)

FructoseSweetener

Added free fructose is metabolized in the liver and at habitual intake is linked to elevated triglycerides, hepatic fat accumulation, and insulin resistance; an avoidable sugar load with no supplement benefit.

Beta-Carotene (color)Color

Beta-carotene used in small amounts as a colorant/antioxidant.

Fruit Juice (unspecified)Colorant

Juice or juice concentrate used primarily for natural color and flavor in gummies

Fruit Juice (unspecified)Colorant

Juice or juice concentrate used primarily for natural color and flavor in gummies

Silicon DioxideAnti-caking

Fine silica powder used to prevent clumping

Citric AcidAcidulant

Natural acid derived from citrus fruits

Malic AcidAcidulant

Naturally occurring organic acid found in apples, used as a flavor enhancer and acidulant in supplements

Natural Orange FlavorFlavor

A natural flavoring derived from orange to mask supplement taste

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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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