United States
Data
Supplements

Magnesium in supplements · page 202

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 202 of 209

M
Magnesium MalateVinco · Capsule137 mg per serving
C
Calcium, Magnesium & ZincSunmark · Tablet or Pill133 mg per serving
C
Cal/Mag CitrateDouglas Laboratories · Capsule48 mg per serving
M
Magnesium Glycinate ForteDouglas Laboratories · Capsule100 mg per serving
G
GlucocinBronson · Capsule15 mg per serving
G
GlucocinBronson · Capsule15 mg per serving
C
Calcigard Two-to-One Plus Vitamin DDouglas Laboratories · Tablet or Pill75 mg per serving
N
Natural Calcium, Magnesium & Zinc USPCVS Pharmacy · Unknown133 mg per serving
U
Ultra-D Tox CapsulesDouglas Laboratories · Capsule18 mg per serving
U
UT-ToneR-U-Ved · Capsule100 mg per serving
M
Magnesium 400 mgFinest Nutrition · Softgel Capsule400 mg per serving
S
Stress SupportThe Vitamin Shoppe · Capsule200 mg per serving
V
Valerian Root 125 mgVitamer Laboratories · Tablet or Pill18 mg per serving
C
Calcium Citrate Caps Plus MagnesiumTwinlab · Capsule150 mg per serving
M
Mag O7Pure Vegan · Capsule1,035 mg per serving
C
Chelated Cal-MagThe Vitamin Shoppe · Tablet or Pill250 mg per serving
C
Chelated Cal-MagThe Vitamin Shoppe · Tablet or Pill250 mg per serving
O
Optimal CreatineSeeking Health · Powder88 mg per serving
M
Magnesium PotassiumRoex · Capsule400 mg per serving
C
Cardio Mag 2.0AOR Advanced Orthomolecular Research Premium · Capsule200 mg per serving
P
Potassium Magnesium AspartateSolgar · Capsule20 mg per serving
K
K-MAG-60Bio-Tech Pharmacal · Capsule60 mg per serving
M
Magnesium & Potassium Aspartatetnvitamins · Tablet or Pill180 mg per serving
R
Regulize CompleteInfoWars Life · Capsule300 mg per serving
M
Magnesium Citrate Berry Drink MixNatural Factors Stress-Relax · Powder300 mg per serving
P
Potassium & Magnesium Aspartate 250 mgGNC · Capsule20 mg per serving
P
Potassium & Magnesium Aspartate 250 mgGNC · Capsule20 mg per serving
I
Ionic Magnesium 40,000 PPMGood State · Liquid100 mg per serving
M
Magnesium/Potassium ComplexDouglas Laboratories · Capsule90 mg per serving
M
Magnesium/Potassium ComplexDouglas Laboratories · Capsule90 mg per serving
O
Oxy-PowderGlobal Healing Center · Capsule1,400 mg per serving
O
Oxy-PowderGlobal Healing Center · Capsule1,400 mg per serving
M
Mag O7 PowderAerobic Life · Powder1,035 mg per serving
H
Hemo-FloMBi Nutraceuticals · Liquid25 mg per serving
H
HyperStallicMBi Nutraceuticals · Capsule100 mg per serving
M
Magnesium Aspartate 2X with PotassiumDouglas Laboratories · Tablet or Pill200 mg per serving
C
CFS ComplexPriority One Nutritional Supplements · Capsule90 mg per serving
M
Mag-MalateDouglas Laboratories · Tablet or Pill100 mg per serving
M
MagSRT B-FreeJigsaw Health · Tablet or Pill500 mg per serving
C
Calcium Magnesium With Vitamin D3Vitamin World · Other (e.g. tea bag)500 mg per serving
C
Cal 600-Mag 300-DViva Vitamins · Tablet or Pill300 mg per serving
C
Cal 300-Mag150-DViva Vitamins · Tablet or Pill150 mg per serving
3
3 BactrexSystemic Formulas Bio Command · Capsule59 mg per serving
C
Calcium 400 mg & Magnesium 200 mgSimply Supplements · Tablet or Pill343 mg per serving
H
High Potency Magnesium 500 mg Plus ElectrolytesNature's Bounty · Tablet or Pill500 mg per serving
C
Cal-MagFoods Plus · Tablet or Pill500 mg per serving
C
Chelated Cal-MagThe Vitamin Shoppe · Tablet or Pill250 mg per serving
C
Chelated Cal-MagMyTrition · Tablet or Pill250 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).