United States
Data
Supplements

Magnesium in supplements · page 190

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).

AgeMenWomenPregnancyBreastfeeding
0-6 months————
7-12 months————
1–3 years65 mg65 mg——
4–8 years110 mg110 mg——
9–13 years350 mg350 mg——
14–18 years350 mg350 mg350 mg350 mg
19–30 years350 mg350 mg350 mg350 mg
31–50 years350 mg350 mg350 mg350 mg
51+ years350 mg350 mg——

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

Supplements with Magnesium

10,004 shown · page 190 of 209

S
Sleep LemonAlani Nu · Powder200 mg per serving
C
Calcium Magnesium ComplexAN Amazing Nutrition Amazing Formulas · Tablet or Pill500 mg per serving
C
Calcium Magnesium with Vitamin D3AN Amazing Nutrition Amazing Formulas · Capsule250 mg per serving
B
Buffered C 1,000Health Products Distributors · Tablet or Pill39 mg per serving
M
Magnesium Glycinate 400KAL · Softgel Capsule400 mg per serving
M
Magnesium Glycinate 400KAL · Softgel Capsule400 mg per serving
M
MagnesiumNature's Sunshine · Tablet or Pill250 mg per serving
C
Calcium Magnesium ZincAN Amazing Nutrition Amazing Formulas · Tablet or Pill400 mg per serving
C
Calcium Magnesium ZincWonder Laboratories · Tablet or Pill133 mg per serving
C
Centrum SleepCentrum · Capsule42 mg per serving
C
Calcium, Magnesium and Vitamin DBronson · Tablet or Pill250 mg per serving
B
Buffered Cassava Vitamin C with Calcium and MagnesiumAllergy Research Group · Capsule52 mg per serving
2-AEP Magnesium 500 mg, Advanced Research
2-AEP Magnesium 500 mgAdvanced Research · Capsule500 mg per serving
Magnesium SAP, NFH
Magnesium SAPNFH · Capsule150 mg per serving
Magnesium Citrate 400 mg, LuckyVitamin
Magnesium Citrate 400 mgLuckyVitamin · Capsule400 mg per serving
Magnesium Glycinate, LuckyVitamin
Magnesium GlycinateLuckyVitamin · Tablet or Pill200 mg per serving
Magnesium Oxide 300 mg, Cooper Complete
Magnesium Oxide 300 mgCooper Complete · Capsule300 mg per serving
Magnesium Citrate 500 mg, Swiss BioEnergetics
Magnesium Citrate 500 mgSwiss BioEnergetics · Capsule150 mg per serving
Think Magnesium L-Threonate, KAL
Think Magnesium L-ThreonateKAL · Tablet or Pill144 mg per serving
2-AEP Magnesium 500 mg, Advanced Research
2-AEP Magnesium 500 mgAdvanced Research · Capsule500 mg per serving
Magnesium Orotate 500 mg, Advanced Research
Magnesium Orotate 500 mgAdvanced Research · Tablet or Pill1,000 mg per serving
Magnesium Malate, Kirkman
Magnesium MalateKirkman · Capsule160 mg per serving
Magnesium Bisglycinate Chelate with TRAACS, Lake Avenue Nutrition
Magnesium Bisglycinate Chelate with TRAACSLake Avenue Nutrition · Tablet or Pill200 mg per serving
Wholesome Magnesium Glycinate 150 mg, We Heart Nutrition
Wholesome Magnesium Glycinate 150 mgWe Heart Nutrition · Capsule150 mg per serving
Magnesium Malate Chewable 100 mg, Seeking Health
Magnesium Malate Chewable 100 mgSeeking Health · Tablet or Pill100 mg per serving
Magnesium Citrate Extra Strength 200 mg, NuMedica
Magnesium Citrate Extra Strength 200 mgNuMedica · Capsule200 mg per serving
Mag-Plex Ultra, NuMedica
Mag-Plex UltraNuMedica · Capsule125 mg per serving
Mag-Plex Ultra, NuMedica
Mag-Plex UltraNuMedica · Capsule125 mg per serving
Maxi Magnesium Lysyl Glycinate, Maxi Health
Maxi Magnesium Lysyl GlycinateMaxi Health · Tablet or Pill200 mg per serving
Magnesium Oxide 500 mg, Pure Naturals
Magnesium Oxide 500 mgPure Naturals · Capsule500 mg per serving
Super Potency Magnesium 500 mg, Wonder Laboratories
Super Potency Magnesium 500 mgWonder Laboratories · Tablet or Pill500 mg per serving
Magnesium 200 mg, Solaray
Magnesium 200 mgSolaray · Capsule200 mg per serving
Magnesium Citrate 400 mg, OL Olympian Labs
Magnesium Citrate 400 mgOL Olympian Labs · Capsule400 mg per serving
Magnesium Citrate 400 mg, OL Olympian Labs
Magnesium Citrate 400 mgOL Olympian Labs · Capsule400 mg per serving
Baseline Mg Glycinate, Gnarly Sports Nutrition
Baseline Mg GlycinateGnarly Sports Nutrition · Capsule200 mg per serving
Magnesium Glycinate Complex, Neurobiologix
Magnesium Glycinate ComplexNeurobiologix · Capsule100 mg per serving
Magnesium 300 mg, NatureWise
Magnesium 300 mgNatureWise · Softgel Capsule300 mg per serving
Magnesium 325 mg Strawberry Flavor, NatureWise
Magnesium 325 mg Strawberry FlavorNatureWise · Powder325 mg per serving
H2 Molecular Hydrogen, Dr. Mercola
H2 Molecular HydrogenDr. Mercola · Tablet or Pill80 mg per serving
Extend-Release Magnesium, Life Extension
Extend-Release MagnesiumLife Extension · Capsule250 mg per serving
Magnesium (Citrate) 100 mg, Life Extension
Magnesium (Citrate) 100 mgLife Extension · Capsule100 mg per serving
Magnesium Caps 500 mg, Life Extension
Magnesium Caps 500 mgLife Extension · Capsule500 mg per serving
Extra Strength Magnesium 420 mg, Qunol Minerals
Extra Strength Magnesium 420 mgQunol Minerals · Capsule420 mg per serving
Magnesium Complex, Absolute Nutrition
Magnesium ComplexAbsolute Nutrition · Capsule500 mg per serving
Quantum Magnesium Powder, Quantum Nutrition Labs
Quantum Magnesium PowderQuantum Nutrition Labs · Powder420 mg per serving
Ionic Magnesium 40,000 PPM, Good State
Ionic Magnesium 40,000 PPMGood State · Liquid100 mg per serving
Magnesium Bisglycinate Complex 300 mg, Body Attack
Magnesium Bisglycinate Complex 300 mgBody Attack · Capsule300 mg per serving
High Potency Magnesium 500 mg, MilaMiAmor
High Potency Magnesium 500 mgMilaMiAmor · Capsule500 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).