United States
Data
Supplements

Magnesium in supplements · page 122

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 122 of 209

P
Prosta-Pro Support PackDouglas Laboratories · Other (e.g. tea bag)450 mg per serving
B
BP PackDouglas Laboratories · Other (e.g. tea bag)440 mg per serving
A
Acid-Alkaline Balance Formula One Alkaline Blood (Slow Oxidizers)Douglas Laboratories · Capsule100 mg per serving
M
Multi Vitamin and MineralDouglas Laboratories · Capsule400 mg per serving
M
Muscle Infusion Black Chocolate MonsterNutrex Research · Powder140 mg per serving
M
Muscle Infusion Black Chocolate MonsterNutrex Research · Powder140 mg per serving
P
Pro Gram Performance Super Protein Chocolate MousseNutrex Research · Powder140 mg per serving
E
EPD II FormulaDouglas Laboratories · Tablet or Pill500 mg per serving
P
Pro Gram Performance Super Protein Strawberry CreamNutrex Research · Powder140 mg per serving
P
Pro Gram Performance Super Protein Vanilla BeanNutrex Research · Powder140 mg per serving
O
OC PackDouglas Laboratories · Other (e.g. tea bag)250 mg per serving
B
BP PackDouglas Laboratories · Other (e.g. tea bag)440 mg per serving
U
Ultra Preventive 2000 Series C.V. Support PackDouglas Laboratories · Other (e.g. tea bag)350 mg per serving
D
Dad's PackDouglas Laboratories · Other (e.g. tea bag)417 mg per serving
A
Animal Shapes Complete With CholineSunmark · Tablet or Pill10 mg per serving
E
Essential-4 Nutrition PackDouglas Laboratories · Other (e.g. tea bag)250 mg per serving
L
Longevity Support PackDouglas Laboratories · Other (e.g. tea bag)250 mg per serving
U
Ultra Cardio Support PackDouglas Laboratories · Other (e.g. tea bag)250 mg per serving
U
Ultra Preventive N.A.Douglas Laboratories · Capsule42 mg per serving
U
Ultra Preventive N.A.Douglas Laboratories · Capsule42 mg per serving
U
Ultra Preventive-Beta With Copper With Natural Mixed CarotenoidsDouglas Laboratories · Tablet or Pill500 mg per serving
U
Ultra Preventive-Beta With Copper With Natural Mixed CarotenoidsDouglas Laboratories · Tablet or Pill500 mg per serving
U
Ultra Preventive-Beta With Copper & Iron With Natural Mixed CarotenoidsDouglas Laboratories · Tablet or Pill500 mg per serving
O
Ocu-Min ForteDouglas Laboratories · Tablet or Pill200 mg per serving
V
Vita-Big KidsDouglas Laboratories · Capsule200 mg per serving
N
NitroPro Double Dutch Chocolate - FlavorHi-Tech Pharmaceuticals · Powder200 mg per serving
U
Ultra Preventive IXDouglas Laboratories · Tablet or Pill500 mg per serving
N
NitroPro Orange Creamsicle - FlavorHi-Tech Pharmaceuticals · Powder200 mg per serving
N
NitroPro Fresh Strawberry Milkshake - FlavorHi-Tech Pharmaceuticals · Powder200 mg per serving
N
NitroPro Vanilla Milkshake - FlavorHi-Tech Pharmaceuticals · Powder200 mg per serving
U
Ultra Preventive IXDouglas Laboratories · Tablet or Pill500 mg per serving
U
Ultra Preventive IX With Vitamin KDouglas Laboratories · Tablet or Pill500 mg per serving
U
Ultra Preventive IX With Vitamin KDouglas Laboratories · Tablet or Pill500 mg per serving
H
Hi-Tech Multi-Vitamin With MineralsHi-Tech Pharmaceuticals · Tablet or Pill40 mg per serving
A
ADDtendDouglas Laboratories · Capsule42 mg per serving
L
LDA FormulaDouglas Laboratories · Capsule500 mg per serving
V
Vita-KidsDouglas Laboratories · Tablet or Pill40 mg per serving
S
Sight Smart (Multivitamin + Lutein)Douglas Laboratories · Tablet or Pill100 mg per serving
U
Ultra Cardio Multivitamin Iron FreeDouglas Laboratories · Tablet or Pill200 mg per serving
B
Basic Preventive 5 Plus Extra Vitamin DDouglas Laboratories · Tablet or Pill500 mg per serving
U
Ultra Preventive World FormulaDouglas Laboratories · Capsule63 mg per serving
A
A/ O MaximizersDouglas Laboratories · Tablet or Pill50 mg per serving
B
Basics Plus With CopperDouglas Laboratories · Other (e.g. tea bag)250 mg per serving
B
Basic Preventive 1 (Plus Iron And Copper)Douglas Laboratories · Tablet or Pill500 mg per serving
B
Basic Preventive 2 (Iron And Copper Free)Douglas Laboratories · Tablet or Pill500 mg per serving
B
Basic Preventive 3Douglas Laboratories · Tablet or Pill500 mg per serving
B
Basic Preventive 5 Plus Extra Vitamin DDouglas Laboratories · Tablet or Pill500 mg per serving
B
Basic AntioxDouglas Laboratories · Other (e.g. tea bag)250 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).