United States
Data
Supplements

Magnesium in supplements · page 90

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 90 of 209

T
Two-Per-Day TabletsLife Extension · Tablet or Pill100 mg per serving
C
Chidren's Chewable WafersGreens Today · Other (e.g. tea bag)60 mg per serving
E
Energy Boosters Delicious Cherry Flavored Chewable WafersGreens Today · Other (e.g. tea bag)120 mg per serving
L
Life Extension Mix Tablets With Extra NiacinLife Extension · Tablet or Pill400 mg per serving
L
Life Extension Mix Tablets Without CopperLife Extension · Tablet or Pill400 mg per serving
A
Active Seniors UnflavoredAll One · Powder200 mg per serving
L
Life Extension Mix Tablets Without CopperLife Extension · Tablet or Pill400 mg per serving
M
MultiVivioptal · Capsule5.0 mg per serving
F
ForwardDr. Whitaker · Capsule250 mg per serving
L
Life Extension Mix TabletsLife Extension · Tablet or Pill400 mg per serving
A
ABC Plus SeniorNature's Bounty · Other (e.g. tea bag)50 mg per serving
L
Life Extension Mix Tablets With Extra Niacin & Without CopperLife Extension · Tablet or Pill400 mg per serving
L
Life Extension Mix TabletsLife Extension · Tablet or Pill400 mg per serving
L
Life Extension Mix TabletsLife Extension · Tablet or Pill400 mg per serving
B
Baby & Me Herb FreeMegaFood · Tablet or Pill75 mg per serving
L
Life Extension Mix Tablets With Extra NiacinLife Extension · Tablet or Pill400 mg per serving
L
Life Extension Mix Tablets Without CopperLife Extension · Tablet or Pill400 mg per serving
L
Life Extension Mix Powder Without CopperLife Extension · Powder400 mg per serving
M
Men's FormulaGreens Today · Powder125 mg per serving
V
Vegan FormulaGreens Today · Powder227 mg per serving
C
Children's Formula Life Extension Mix Natural Berry FlavorLife Extension · Tablet or Pill50 mg per serving
O
One-Per-Day TabletsLife Extension · Tablet or Pill100 mg per serving
D
Daily C + Citrus FlavorLife Extension · Powder60 mg per serving
U
Ultra Preventive IIIDouglas Laboratories · Tablet or Pill500 mg per serving
T
Two-Per-Day CapsulesLife Extension · Capsule100 mg per serving
T
Two-Per-Day TabletsLife Extension · Tablet or Pill100 mg per serving
T
Two-Per-Day TabletsLife Extension · Tablet or Pill100 mg per serving
U
Ultra Woman SportVitamin World · Tablet or Pill100 mcg per serving
H
High Potency Diabetes Support FormulaVitamin World · Other (e.g. tea bag)200 mg per serving
U
Ultra Man 50 PlusVitamin World · Other (e.g. tea bag)100 mg per serving
K
Kids Natural CALM Multi Fruity Splash FlavorNatural Vitality · Liquid240 mg per serving
L
Lean Body Men's Multi-VitaminLabrada · Capsule100 mg per serving
M
Meno-Support FormulaDouglas Laboratories · Tablet or Pill400 mg per serving
L
Lean1 Fat Burning Meal Replacement Chocolate MintN53 · Powder38 mg per serving
B
Baby & Me Herb FreeMegaFood · Tablet or Pill20 mg per serving
A
Added Protection III (Without Copper And Iron)Douglas Laboratories · Tablet or Pill500 mg per serving
B
Baby & MeMegaFood · Tablet or Pill20 mg per serving
P
Premama Essentials UnflavoredPremama · Powder60 mg per serving
S
Syntha Phase VanillaPrecision Engineered · Powder86 mg per serving
M
Mega Vita-Min Timed ReleaseVitamin World · Other (e.g. tea bag)6.0 mg per serving
L
Liquid Multiple Vitamin & Mineral Natural Mango FlavorNature's Answer · Liquid50 mg per serving
C
Children's Multi GummiesVitamin World · Gummy or Jelly2.0 mg per serving
S
Syntha Phase ChocolatePrecision Engineered · Powder105 mg per serving
S
Syntha Phase Cookies & CreamPrecision Engineered · Powder86 mg per serving
M
Men's FormulaGreens Today · Powder125 mg per serving
V
Vita BuildMuscleTech Pro Series · Other (e.g. tea bag)100 mg per serving
G
Green PowerGreens Today · Powder220 mg per serving
P
Premama Essentials + DHA Natural Citrus FlavorPremama · Powder60 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).