Our Best Magnesium Citrate Tablets 400 Mg for 2026 [US]

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NATURE'S BRANCH

Magnesium Citrate 400mg | 200 Capsules, High Absorption for Sleep, Relax, Leg Cramps, Energy, Extra Strength Easy to Swallow Small Pills for Women & Men, Vegan Supplement for Digestion, Not Tablets

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3+ MONTH SUPPLY - MAGNESIUM CITRATE 400 MG: Our maximum strength Magnesium Citrate 400mg supplements (per serving) are specifically formulated to support for sleep, heart health, bowels and muscle comfort. Scientifically designed to deliver the ultimate combination of high quality, extra strength magnesium and citrate in small pills for calming digestion and high absorption.*
SLEEP, HEART, MUSCLES, NERVES: The superior advantage of our Magnesium Citrate is that it comes in mini small sized, easy to swallow capsules. Suitable for women and men, our exclusive formula supports calm sleep, heart health, energy and joints. Our daily mag supplement, also known as Mag Citrate, supports gentle digestive function and regularity and is vegan unlike many magnesium capsules, complex powders & vitamin pills.*
HIGH ABSORPTION | OUR MAX POTENCY: Magnesium Citrate capsules is said to be one of the easiest and fastest absorbable forms of magnesium. Each of our capsules contain 200mg of Magnesium Citrate (400mg per serving) without adding magnesium oxide, glycinate, malate, calcium, potassium, zinc, aspartate, chloride, hydroxide threonate or lactate in order to concentrate on more efficient digestion.*
MADE IN USA NON-GMO & VEGAN: Natures Branch Magnesium Citrate supplement contains elemental magnesium plus citrate, globally sourced, for the best magnesium experience. Our magnesium comes in vegan capsules and are free from artificial flavors and sweeteners for a non-GMO, gluten free choice.*
THIRD PARTY TESTED & TRUSTED QUALITY: Your health matters. Our Magnesium Citrate is third-party tested for purity and potency. Non GMO, vegan, made in the USA with global ingredients, gluten free, sugar free and dairy free. Backed by a commitment to quality and rigorous cGMP industry standards.*

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Main Highlights

3+ MONTH SUPPLY - MAGNESIUM CITRATE 400 MG: Our maximum strength Magnesium Citrate 400mg supplements (per serving) are specifically formulated to support for sleep, heart health, bowels and muscle comfort. Scientifically designed to deliver the ultimate combination of high quality, extra strength magnesium and citrate in small pills for calming digestion and high absorption.*
SLEEP, HEART, MUSCLES, NERVES: The superior advantage of our Magnesium Citrate is that it comes in mini small sized, easy to swallow capsules. Suitable for women and men, our exclusive formula supports calm sleep, heart health, energy and joints. Our daily mag supplement, also known as Mag Citrate, supports gentle digestive function and regularity and is vegan unlike many magnesium capsules, complex powders & vitamin pills.*
HIGH ABSORPTION | OUR MAX POTENCY: Magnesium Citrate capsules is said to be one of the easiest and fastest absorbable forms of magnesium. Each of our capsules contain 200mg of Magnesium Citrate (400mg per serving) without adding magnesium oxide, glycinate, malate, calcium, potassium, zinc, aspartate, chloride, hydroxide threonate or lactate in order to concentrate on more efficient digestion.*
MADE IN USA NON-GMO & VEGAN: Natures Branch Magnesium Citrate supplement contains elemental magnesium plus citrate, globally sourced, for the best magnesium experience. Our magnesium comes in vegan capsules and are free from artificial flavors and sweeteners for a non-GMO, gluten free choice.*
THIRD PARTY TESTED & TRUSTED QUALITY: Your health matters. Our Magnesium Citrate is third-party tested for purity and potency. Non GMO, vegan, made in the USA with global ingredients, gluten free, sugar free and dairy free. Backed by a commitment to quality and rigorous cGMP industry standards.*

10 Best Magnesium Citrate Tablets 400 Mg of 2026

Best Naturals

Best Naturals Magnesium Citrate (Citrato de Magnesio) 400mg 250 Tablets (400 mg of Elemental Magnesium per 2 Tablets) (1)

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Why We Love It

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Brieofood

Brieofood Magnesium Citrate 400 mg (Elemental Mg) per Serving - 250 Tablets - Muscle Relaxation (Citrato de Magnesio)

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NOW Foods

NOW Supplements, Magnesium Citrate 200 mg, Enzyme Function*, Nervous System Support*, 250 Count (Pack of 1)

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NaturaLife Labs

NaturaLife Labs Magnesium Citrate 400 mg per Serving – 120 Tablets, Vegan, Non-GMO

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Nature's Bounty

Nature's Bounty Magnesium 500 mg Tablets, High Potency Magnesium Supplement for Bone & Muscle Health, Whole Body Support, 200 Count (Pack of 1)

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PhiNaturals

Magnesium Citrate Powder Capsules 400mg - 180 Count Veg Caps - PhiNaturals Supplements - Nervous System Support and Enzyme Function

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NATURE'S BRANCH

Magnesium Citrate 400mg | 200 Capsules, High Absorption for Sleep, Relax, Leg Cramps, Energy, Extra Strength Easy to Swallow Small Pills for Women & Men, Vegan Supplement for Digestion, Not Tablets

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Solgar

Solgar Magnesium Citrate, 120 Tablets - Promotes Healthy Bones - Supports Nerve & Muscle Function - Non GMO, Vegan, Gluten Free, Dairy Free, Kosher - 60 Servings, Standard Packaging

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Windmill

Windmill Natural Vitamins Magnesium Citrate 400 mg, Immune Support, Supports Healthy Heart, 60 Count, 30 Servings

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Best Naturals

Best Naturals Magnesium Citrate (Citrato de Magnesio) 400mg 250 Tablets (400 mg of Elemental Magnesium per 2 Tablets) (3)

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NOW Supplements, Magnesium Citrate 200 mg, Enzyme Function, Nervous System Support, 250 Count (Pack of 1)