United States
Data
Supplements

Magnesium in supplements · page 50

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 50 of 209

B
Bulk 1340 Vanilla Ice CreamGNC Pro Performance · Powder220 mg per serving
S
Superfood Protein Cacao ChocolateFeel Great Vitamin Co. · Powder10 mg per serving
N
NutritiveProEnzol · Capsule40 mg per serving
A
ArthoplexDC · Tablet or Pill13 mg per serving
B
Body, Hair, Skin & NailsMason Natural · Capsule100 mg per serving
D
DGST Support FormulaDouglas Laboratories · Tablet or Pill300 mg per serving
B
Basic Preventive 5 (Iron Free)Douglas Laboratories · Tablet or Pill250 mg per serving
B
Basic Preventive 5 (Iron Free)Douglas Laboratories · Capsule220 mg per serving
E
Energy/Sports FormulaDouglas Laboratories · Tablet or Pill225 mg per serving
J
Joint-Support FormulaDouglas Laboratories · Tablet or Pill225 mg per serving
O
Osteo-Support FormulaDouglas Laboratories · Tablet or Pill300 mg per serving
V
Vitality SupportDouglas Laboratories · Tablet or Pill225 mg per serving
L
Liver DetoxMason Natural · Tablet or Pill200 mg per serving
B
Beauty EssentialsDouglas Laboratories · Capsule75 mg per serving
W
Women's Daily Multi FormulaMason Natural · Other (e.g. tea bag)50 mg per serving
V
Vitrum 50+ Adult-Multi Iron FreeMason Natural · Other (e.g. tea bag)50 mg per serving
V
Vitrum 50+ Adult-Multi Iron FreeMason Natural · Other (e.g. tea bag)50 mg per serving
C
Cardio-StolixDouglas Laboratories · Capsule100 mg per serving
S
Special TwoNOW · Tablet or Pill50 mg per serving
M
Multi-Food 1NOW · Tablet or Pill40 mg per serving
E
Essential BasicsDouglas Laboratories · Capsule250 mg per serving
E
Executive Stress FormulaDouglas Laboratories · Tablet or Pill225 mg per serving
A
Advanced MultiHigher Nature · Tablet or Pill169 mg per serving
U
Ultra PreventiveDouglas Laboratories · Tablet or Pill105 mg per serving
U
Ultra Preventive 2 DailyDouglas Laboratories · Tablet or Pill25 mg per serving
U
Ultra Preventive 50+Douglas Laboratories · Tablet or Pill50 mg per serving
U
Ultra Preventive BetaDouglas Laboratories · Tablet or Pill500 mg per serving
U
Ultra Preventive VisionDouglas Laboratories · Capsule100 mg per serving
U
Ultra Preventive XDouglas Laboratories · Capsule210 mg per serving
U
Ultra Preventive XDouglas Laboratories · Tablet or Pill420 mg per serving
U
Ultra Protein Plus Natural Vanilla Bean FlavorDouglas Laboratories · Powder115 mg per serving
U
Ultra PreventiveDouglas Laboratories · Tablet or Pill210 mg per serving
U
Ultra Preventive IIIDouglas Laboratories · Tablet or Pill350 mg per serving
U
Ultra Preventive IIIDouglas Laboratories · Capsule175 mg per serving
U
Ultra Preventive III With CopperDouglas Laboratories · Tablet or Pill350 mg per serving
U
Ultra Preventive III With Copper & IronDouglas Laboratories · Tablet or Pill350 mg per serving
E
EcoGreen Multi Iron-FreeNOW · Capsule50 mg per serving
D
Daily VitsNOW · Capsule15 mg per serving
D
Daily VitsNOW · Tablet or Pill75 mg per serving
D
Daily VitsNOW · Capsule15 mg per serving
R
RECOVER Yuzu ClementineVital Performance · Powder105 mg per serving
R
RECOVER Guava LimeVital Performance · Powder105 mg per serving
M
MultivitaminSwolverine · Tablet or Pill100 mg per serving
W
Whey Protein Raw ChocolatePromix · Powder0.00 NP per serving
A
All ManHigher Nature · Capsule38 mg per serving
W
Wise WomanHigher Nature · Capsule29 mg per serving
W
Wise WomanHigher Nature · Capsule29 mg per serving
U
Ultra Preventive III with CopperDouglas Laboratories · Capsule175 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).