Supplements

Magnesium in supplements · page 183

10,004 supplements on the U.S. market list Magnesium with an amount per serving. The official Tolerable Upper Intake Level for adults is 350 mg a day (supplemental magnesium only (not magnesium in food)).

Tolerable Upper Intake Level (UL)

The highest daily amount that is unlikely to cause harm for almost all healthy people; it applies to supplemental magnesium only (not magnesium in food).

Age	Men	Women	Pregnancy	Breastfeeding
0-6 months	—	—	—	—
7-12 months	—	—	—	—
1–3 years	65 mg	65 mg	—	—
4–8 years	110 mg	110 mg	—	—
9–13 years	350 mg	350 mg	—	—
14–18 years	350 mg	350 mg	350 mg	350 mg
19–30 years	350 mg	350 mg	350 mg	350 mg
31–50 years	350 mg	350 mg	350 mg	350 mg
51+ years	350 mg	350 mg	—	—

Source: NIH ODS Magnesium Fact Sheet for Health Professionals, Table 3 (updated 2026-01-06).

Supplements with Magnesium

10,004 shown · page 183 of 209

Gluco-Care CompleteBotanic Choice · Capsule175 mg per serving

Waterex EliteGNC Total Lean Advanced · Capsule28 mg per serving

Aqua-FlowNature's Way · Capsule50 mg per serving

Water PillGNC BodyDynamix · Capsule50 mg per serving

Keto FIRE Caffeine FreeAncient Nutrition · Capsule43 mg per serving

Pain EaseComplete H2O Minerals · Liquid23 mg per serving

Natural Calcium, Magnesium & Zinc with CopperRite Aid Pharmacy · Tablet or Pill133 mg per serving

Magnesium & CalciumNOW · Tablet or Pill800 mg per serving

Test 1700GNC AMP · Tablet or Pill25 mg per serving

ZMSTATP Science · Capsule100 mg per serving

Sweet Dreams Blueberry LavenderN by Nutrilite · Gummy or Jelly50 mg per serving

FlexProtexDaily Health · Capsule150 mg per serving

Perfect Plant ProteinPerfect Supplements · Powder224 mg per serving

Calcium Magnesium ZincAN Amazing Nutrition Amazing Formulas · Tablet or Pill400 mg per serving

Magnesium Malate 1250 mgAN Amazing Nutrition Amazing Formulas · Tablet or Pill425 mg per serving

ZMA Zinc & MagnesiumJYM Supplement Science · Capsule450 mg per serving

Pro-SomIntegrative Therapeutics · Capsule320 mg per serving

Min-TranSP Standard Process · Tablet or Pill20 mg per serving

Relax & SleepSwisse Ultiboost · Tablet or Pill105 mg per serving

Vitamin C with Calcium, Magnesium and PotassiumBronson · Powder100 mg per serving

FibronolAllergy Research Group · Capsule6.0 mg per serving

Magnesium Citrate SAPNFH · Capsule136 mg per serving

Albion Calcium & MagnesiumSwanson · Capsule100 mg per serving

K-MGAdvanced Research · Tablet or Pill250 mg per serving

Zinc OrotateAdvanced Research · Tablet or Pill18 mg per serving

Calcium & MagnesiumLuckyVitamin · Tablet or Pill500 mg per serving

Magnesium with ZincPuritan's Pride · Tablet or Pill266 mg per serving

Potassium Magnesium AspartatePuritan's Pride · Other (e.g. tea bag)50 mg per serving

Magnesium 3 in 1 L-Threonate Advanced ComplexKAPPA NUTRITION · Capsule1,502 mg per serving

Cal/Mag 2:1 (Malate)Pure Encapsulations · Capsule195 mg per serving

Calcium (MCHA) with MagnesiumPure Encapsulations · Capsule70 mg per serving

Calcium Magnesium (Citrate)Pure Encapsulations · Capsule240 mg per serving

Calcium Magnesium (Citrate/Malate)Pure Encapsulations · Capsule225 mg per serving

Magnesium LiquidPure Encapsulations · Liquid107 mg per serving

Bone Builder VegetarianMetagenics · Tablet or Pill150 mg per serving

Mag L-ThreonateMetagenics · Capsule98 mg per serving

Magnesium Chelate Complex 100 mgSource Naturals · Tablet or Pill100 mg per serving

Magnesium 250 mgMeijer · Tablet or Pill250 mg per serving

Cal/Mag 500/250 mgNaturesPlus · Tablet or Pill250 mg per serving

Cal/Mag 500 mg/250 mgNaturesPlus · Tablet or Pill250 mg per serving

Cal/Mag CapsNaturesPlus · Capsule250 mg per serving

Cal/Mag 2:1 (Malate)Pure Encapsulations · Capsule195 mg per serving

CogniMagPure Encapsulations · Capsule1,000 mg per serving

Magnesium ChlorideAlta Health Products · Tablet or Pill520 mg per serving

Calcium MagnesiumWindmill Natural Vitamins · Tablet or Pill500 mg per serving

Magnesium 400 mgWindmill Natural Vitamins · Tablet or Pill400 mg per serving

Premium Magnesium ComplexTrio Nutrition · Capsule420 mg per serving

Label data: NIH Office of Dietary Supplements, Dietary Supplement Label Database (dsld.od.nih.gov), public domain. Upper limits: NIH ODS Fact Sheets for Health Professionals (values from the Institute of Medicine, Food and Nutrition Board).