United States
Data
Supplements

Magnesium in supplements · page 206

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 206 of 209

M
Magnesium 250 mgGNC · Tablet or Pill250 mg per serving
M
Magnesium Natural Orange Flavour 200 mgHigher Nature · Tablet or Pill200 mg per serving
S
Super Magnesium 400 mgGNC · Other (e.g. tea bag)400 mg per serving
M
Magnesium 500 mgGNC · Capsule500 mg per serving
M
Magnesium Glycinate 120 mgPure Prescriptions · Capsule120 mg per serving
M
MagnesiumCHK Nutrition · Tablet or Pill400 mg per serving
T
True Food MagnesiumHigher Nature · Tablet or Pill100 mg per serving
M
MagnesiumZemvelo · Liquid100 mg per serving
M
MG Plus ProteinMiller Pharmacal Group · Tablet or Pill133 mg per serving
M
MP MagnesiumMiller Pharmacal Group · Capsule100 mg per serving
M
Mg AspartateMiller Pharmacal Group · Tablet or Pill65 mg per serving
C
Calm TangerineBodyHealth · Powder325 mg per serving
M
Magnesium GlycinateDouglas Laboratories · Tablet or Pill100 mg per serving
M
Magnesium 250 mgMeijer · Tablet or Pill250 mg per serving
M
Magnesium 250 mgMeijer · Tablet or Pill250 mg per serving
H
High Absorption Magnesium 250 mg Cranberry Apple Natural FlavorNatrol · Tablet or Pill250 mg per serving
M
Magnesium Taurate 400Douglas Laboratories · Tablet or Pill400 mg per serving
M
Magnesium AspartateDouglas Laboratories · Capsule100 mg per serving
C
Chelated MagnesiumDouglas Laboratories · Tablet or Pill100 mg per serving
L
Liquid Magnesium Great-Tasting Natural Pomegranate FlavorDouglas Laboratories · Liquid225 mg per serving
M
Magnesium CitrateDouglas Laboratories · Capsule150 mg per serving
M
Magnesium OxideDouglas Laboratories · Capsule300 mg per serving
M
Magnesium CitrateAllergy Research Group · Capsule170 mg per serving
M
Magnesium CitrateAllergy Research Group · Capsule170 mg per serving
M
Molecular HydrogenNutriCology · Tablet or Pill80 mg per serving
M
Magnesium CitrateNutriCology · Capsule170 mg per serving
M
Magnesium Chloride LiquidNutriCology · Liquid67 mg per serving
M
Magnesium CitrateNutriCology · Capsule170 mg per serving
M
Magnesium 500 mgNature's Bounty · Tablet or Pill500 mg per serving
S
Super Magnesium 375 mgViva Vitamins · Tablet or Pill375 mg per serving
S
Super Magnesium 375 mgViva Vitamins · Tablet or Pill375 mg per serving
C
Chelated MagnesiumSolgar · Tablet or Pill400 mg per serving
M
Magnesium Oxide Tablets 400 mgQualitest · Tablet or Pill240 mg per serving
M
Magnesium CitrateSolgar · Tablet or Pill420 mg per serving
M
Magnesium CitrateSolgar · Tablet or Pill420 mg per serving
A
Albion Chelated Magnesium 700 mgVitamin World · Other (e.g. tea bag)400 mg per serving
C
Cal/Mag 1:1Designs for Health · Capsule200 mg per serving
C
Cal/Mag 2:1Designs for Health · Capsule150 mg per serving
N
NeuroMagDesigns for Health · Capsule144 mg per serving
M
Mag AspartateKaruna · Capsule345 mg per serving
I
InGearMetabolic Maintenance · Powder136 mg per serving
C
Cal/Mag AspartateKaruna · Capsule225 mg per serving
C
Coral Mag Fizz Natural Lemon-Lime FlavorCoral · Powder300 mg per serving
C
Constipation StopRenew Life · Capsule230 mg per serving
H
High Strength Magnesium 100 mgSimply Supplements · Tablet or Pill167 mg per serving
M
Magnesium TaurateThe Vitamin Shoppe · Capsule125 mg per serving
M
Magnesium Citrate Complex 160 mgThe Vitamin Shoppe · Capsule160 mg per serving
M
Magnesium Citrate Complex 160 mgThe Vitamin Shoppe · Capsule160 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).