United States
Data
Supplements

Magnesium in supplements · page 120

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 120 of 209

G
GTC FormulaBronson · Tablet or Pill50 mg per serving
M
Mega Minerals With DBronson · Tablet or Pill370 mg per serving
P
Pro-Equalizer Protein PowderDouglas Laboratories · Powder200 mg per serving
P
Pro-Equalizer Protein PowderDouglas Laboratories · Powder200 mg per serving
U
Ultra-Pro VanillaDouglas Laboratories · Powder200 mg per serving
U
Ultra-Pro VanillaDouglas Laboratories · Powder200 mg per serving
U
Ultra-Pro CarobDouglas Laboratories · Powder200 mg per serving
U
Ultra FemDouglas Laboratories · Tablet or Pill400 mg per serving
U
Ultra Preventive III Low AllergenicityDouglas Laboratories · Tablet or Pill500 mg per serving
U
Ultra Preventive III A Low AllergenicityDouglas Laboratories · Tablet or Pill500 mg per serving
U
Ultra Preventive III With Copper & IronDouglas Laboratories · Tablet or Pill500 mg per serving
M
Multi For Her With Calcium & IronNature Made · Tablet or Pill100 mg per serving
U
Ultra Preventive III With CopperDouglas Laboratories · Tablet or Pill500 mg per serving
U
Ultra Preventive III with IronDouglas Laboratories · Tablet or Pill500 mg per serving
U
Ultra Preventive III PowderDouglas Laboratories · Powder500 mg per serving
U
Ultra Preventive III With Zinc PicolinateDouglas Laboratories · Tablet or Pill500 mg per serving
U
Ultra Preventive D With CopperDouglas Laboratories · Tablet or Pill500 mg per serving
K
Kid's Factors Daily Nutrient Boost With Whey ProteinNatural Factors · Powder200 mg per serving
U
Ultra Preventive D With Copper & IronDouglas Laboratories · Tablet or Pill500 mg per serving
U
Ultra Preventive DDouglas Laboratories · Tablet or Pill500 mg per serving
S
Split Dose Ultra Morning Meal AMDouglas Laboratories · Tablet or Pill100 mg per serving
S
Split Dose Ultra Evening Meal P.M.Douglas Laboratories · Tablet or Pill200 mg per serving
M
Multi For Him With Potent AntioxidantsNature Made · Tablet or Pill100 mg per serving
W
Whole Body Rejuvenation FormulaNatural Factors · Powder175 mg per serving
M
Multi 50+ Bone & Heart HealthNature Made · Tablet or Pill100 mg per serving
P
Performance EdgeBronson · Capsule200 mg per serving
M
Male Super PackDouglas Laboratories · Other (e.g. tea bag)20 mg per serving
F
Female Super PackDouglas Laboratories · Other (e.g. tea bag)53 mg per serving
V
Vita Chel PackDouglas Laboratories · Tablet or Pill233 mg per serving
V
Vira-Sin-CDouglas Laboratories · Other (e.g. tea bag)63 mg per serving
U
Ultra Preventive III CapsulesDouglas Laboratories · Capsule250 mg per serving
U
Ultra Preventive III Capsules with CopperDouglas Laboratories · Capsule250 mg per serving
G
Gastro-IBSBronson Laboratories · Tablet or Pill50 mg per serving
G
Gastro-IBSBronson Laboratories · Tablet or Pill50 mg per serving
V
Vegi SourceBronson Laboratories · Capsule200 mg per serving
V
Vegi SourceBronson Laboratories · Capsule200 mg per serving
C
Coral Calcium ComplexBronson · Capsule125 mg per serving
R
Royal MultiginDouglas Laboratories · Tablet or Pill3.0 mg per serving
R
Royal MultiginDouglas Laboratories · Tablet or Pill3.0 mg per serving
U
Ultra Vite 75Douglas Laboratories · Tablet or Pill7.7 mg per serving
U
Ultra Vite 75 II Low AllergenicityDouglas Laboratories · Tablet or Pill7.7 mg per serving
E
Energetic Womens MultiMeijer Naturals · Tablet or Pill400 mg per serving
E
Energetic Mens Formula Multi Vitamin PlusMeijer Naturals · Tablet or Pill200 mg per serving
D
Double Chocolate SlimStyles With PGXNatural Factors · Powder156 mg per serving
P
Pro-Shake 19 Natural Vanilla Protein PowderDouglas Laboratories · Powder120 mg per serving
U
Ultra DiscDouglas Laboratories · Tablet or Pill75 mg per serving
V
Vita-Chel PlusDouglas Laboratories · Tablet or Pill200 mg per serving
V
Vita-Chel PlusDouglas Laboratories · Tablet or Pill200 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).