BioStacks
GNC

Magnesium Powder (Lemon)

Powder · 1 Scoop (4g) · 84 servings · $0.36/serving

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Best for

Heart

Ingredients (3)

Magnesium

100%

Dose

325 mg

Target

100–400 mg

Form

Not listed

Magnesium Carbonate

Amount not found

Magnesium Citrate

Amount not found

Other Ingredients (4)

Natural FlavorsFlavor

Broad regulatory category of flavor constituents derived from natural sources. Composition is proprietary and not disclosed — 'Natural Flavors' can include several hundred different compounds depending on the target flavor profile, including hexane-extracted constituents and proprietary carrier solvents. 'Natural' is a regulatory definition (21 CFR §101.22), not a safety guarantee.

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

Stevia ExtractSweetener

Zero-calorie natural sweetener extracted from the leaves of Stevia rebaudiana

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

Mix 1 scoop in your beverage of choice.

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

Price Check

$29.99

$10$20$50

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.

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