United States
Data
Supplements

Magnesium in supplements · page 66

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 66 of 209

U
Ultra Preventive III with Copper & IronDouglas Laboratories · Tablet or Pill500 mg per serving
U
Ultra Preventive III with CopperDouglas Laboratories · Tablet or Pill500 mg per serving
U
Ultra Preventive III with CopperDouglas Laboratories · Capsule250 mg per serving
P
Prenatal PackDouglas Laboratories · Other (e.g. tea bag)70 mg per serving
U
Ultra Preventive Kids Natural Orange Flavor!Douglas Laboratories · Tablet or Pill40 mg per serving
U
Ultra Preventive Kids Natural Grape Flavor!Douglas Laboratories · Tablet or Pill40 mg per serving
E
Essential Female PackDouglas Laboratories · Other (e.g. tea bag)400 mg per serving
U
Ultra Vite 75 IIDouglas Laboratories · Tablet or Pill7.7 mg per serving
E
Essential-4 Nutrition PackDouglas Laboratories · Other (e.g. tea bag)210 mg per serving
H
Hair, Skin and Nails PlusDouglas Laboratories · Capsule55 mg per serving
L
Liquid MultivitaminDouglas Laboratories · Liquid20 mg per serving
U
Ultra Preventive 50+Douglas Laboratories · Tablet or Pill50 mg per serving
F
For Women OnlyAllergy Research Group · Capsule333 mg per serving
U
Ultra Preventive XDouglas Laboratories · Tablet or Pill210 mg per serving
P
Prosta-Support FormulaDouglas Laboratories · Tablet or Pill300 mg per serving
O
Osteo-Vi-MinAllergy Research Group · Tablet or Pill125 mg per serving
N
NTFactor Advanced Physicians FormulaAllergy Research Group · Tablet or Pill123 mg per serving
V
VitafocusRyse Up Sports Nutrition · Capsule50 mg per serving
M
Mother to BePure Essence · Tablet or Pill200 mg per serving
B
Bone Calcium ComplexNutriCology · Capsule333 mg per serving
C
Cutler SafeguardCutler Nutrition · Capsule90 mg per serving
O
Osteo-Vi-MinNutriCology · Tablet or Pill125 mg per serving
N
NTFactor Advanced Physicians FormulaNutriCology · Tablet or Pill123 mg per serving
O
Organic Noni 100% Island StyleTahiti Trader · Liquid0.59 mg per serving
C
Cofactors SupportPriority One Nutritional Supplements · Capsule300 mg per serving
i
intraMAX 2.0 Peach Mango FlavorDrucker Labs · Liquid100 mg per serving
E
Electrolyte Plus Cardio & Immune Berry FlavorDr. Sinatra · Powder100 mg per serving
C
Complete ImmuneNutriCology · Powder150 mg per serving
C
Complete ImmuneNutriCology · Powder150 mg per serving
E
Essentialsbody togs · Capsule100 mg per serving
P
PrizmBELDT Labs · Capsule13 mg per serving
B
BoneViva Vitamins · Tablet or Pill800 mg per serving
C
Complete Minerals Regular StrengthViva Vitamins · Tablet or Pill150 mg per serving
C
Complete Multi Extra StrengthViva Vitamins · Tablet or Pill8.0 mg per serving
B
Basic MineralsDouglas Laboratories · Capsule200 mg per serving
C
Complete Multi Extra StrengthViva Vitamins · Tablet or Pill8.0 mg per serving
C
Complete Multi Extra Strength Iron & Copper FreeViva Vitamins · Tablet or Pill8.0 mg per serving
C
Complete Multi Extra Strength Iron & Copper FreeViva Vitamins · Tablet or Pill8.0 mg per serving
C
Complete Multi Regular StrengthViva Vitamins · Tablet or Pill4.0 mg per serving
C
Complete Multi Regular StrengthViva Vitamins · Tablet or Pill4.0 mg per serving
C
Complete Multi Regular Strength Iron & Copper FreeViva Vitamins · Tablet or Pill4.0 mg per serving
C
Complete Multi Regular Strength Iron & Copper FreeViva Vitamins · Tablet or Pill4.0 mg per serving
C
Complete Minerals Extra StrengthViva Vitamins · Tablet or Pill300 mg per serving
C
Complete Minerals Regular StrengthViva Vitamins · Tablet or Pill150 mg per serving
M
Megasorb B-Complex "50"Solgar · Tablet or Pill24 mg per serving
M
Maximum Bone-AidViva Vitamins · Other (e.g. tea bag)600 mg per serving
P
Pre-NatalViva Vitamins · Tablet or Pill40 mg per serving
U
Ultra Man Sports MultiMyology Muscle Science · Other (e.g. tea bag)100 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).