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Kirkland Signature

Magnesium Citrate 250 mg

2 Softgels · 135 servings

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What it does

Magnesium Citrate

magnesium citrateStandard

magnesium citrate: Supports normal muscle function; small studies found citrate better absorbed than oxide, with possible laxative effects.

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Ingredients (2)

IngredientDoseTarget/referenceForm

Other ingredients

AnnattoColorant

Natural yellow-orange colorant derived from the seeds of the achiote tree (Bixa orellana)

Medium Chain Triglyceride OilCarrier

Fractionated oils rich in C8/C10 triglycerides used as neutral carrier or anti-sticking agent

Soy LecithinEmulsifier

Widely used emulsifier derived from soybeans

GelatinCapsule

Protein derived from collagen, used in traditional capsule shells

GlycerinHumectant

Sweet-tasting liquid used in soft capsules and liquids

Purified WaterSolvent

Water meeting USP specifications used as solvent/vehicle in gummies and liquids

BeeswaxCoating

Natural wax produced by honeybees, used as a coating and binding agent in softgels and tablets

Lab testing

How to take it

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

On the label

Adults, take 2 softgels daily with water and a meal.

Price check

$16.48

$0.12 / serving

$10$20$50

Cheaper than 68% of 579 magnesium supplements

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from the NIH Office of Dietary Supplements and the 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. studied 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.

Not medical advice. Consult your healthcare professional.

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