United States
Data
Supplements

Magnesium in supplements · page 204

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 204 of 209

E
Essential Calcium MagnesiumJuvenon · Tablet or Pill400 mg per serving
C
CreAbolicChaotic-Labz · Powder20 mg per serving
C
CreAbolic Exotic BerryChaotic-Labz · Powder20 mg per serving
C
CreAbolic Exotic PunchChaotic-Labz · Powder20 mg per serving
P
Potassium & Magnesium AspartateGNC · Capsule250 mg per serving
P
Potassium & Magnesium AspartateGNC · Capsule250 mg per serving
M
MagnesiumGenestra Brands · Capsule100 mg per serving
M
Magnesium CitrateSolgar · Tablet or Pill420 mg per serving
M
Magnesium 500 mgNature's Bounty · Tablet or Pill500 mg per serving
M
Magnesium 500 mgFull Life · Tablet or Pill500 mg per serving
K
Klean MagnesiumKlean Athlete · Capsule120 mg per serving
M
Magnesium CitrateBiotech Nutritions · Capsule225 mg per serving
E
Extra Strength Magnesium 500 mgMason Natural · Tablet or Pill500 mg per serving
M
Magnesium 200 mgMason Natural · Tablet or Pill400 mg per serving
M
Magnesium AspartateDouglas Laboratories · Capsule100 mg per serving
M
Magnesium GlycinateDouglas Laboratories · Tablet or Pill100 mg per serving
M
Magnesium OxideDouglas Laboratories · Capsule300 mg per serving
M
Magnesium GlycinateDouglas Laboratories · Tablet or Pill100 mg per serving
M
Magnesium CitrateMDLogic · Capsule100 mg per serving
S
Super Magnesium 300 mgHigher Nature · Capsule300 mg per serving
H
High Strength MagnesiumHigher Nature · Capsule300 mg per serving
M
Magnesium GluconateFreeda · Tablet or Pill110 mg per serving
M
Magnesium GluconateFreeda · Tablet or Pill110 mg per serving
M
Magnesium ComplexNobi Nutrition · Capsule500 mg per serving
C
Chewable Magnesium 125 mg Creme FlavoredNatural Nutra · Other (e.g. tea bag)125 mg per serving
M
Magnesium Buffered ChelateAdaptogen Research · Capsule300 mg per serving
M
Magnesium Buffered ChelateAdaptogen Research · Capsule300 mg per serving
M
Magnesium CitrateAdaptogen Research · Capsule150 mg per serving
M
Magnesium MalateAdaptogen Research · Capsule360 mg per serving
M
MagnesiumOptiYouRX · Capsule100 mg per serving
H
H2 EliteQuicksilver Scientific · Tablet or Pill80 mg per serving
I
Ionic MagnesiumTriquetra Health · Liquid150 mg per serving
H
H2 EliteQuicksilver Scientific · Tablet or Pill80 mg per serving
M
Magnesium 200 mgBIOVEA · Capsule200 mg per serving
M
Mag Glycinate 450 mgZHOU · Tablet or Pill450 mg per serving
M
Magnesium 250 mgBasic Vitamins · Tablet or Pill250 mg per serving
M
Magnesium 400 mgBasic Vitamins · Tablet or Pill400 mg per serving
M
Magnesium ComfortChief Originals · Powder375 mg per serving
C
Chelated Magnesium 250 mgAN Amazing Nutrition Amazing Formulas · Tablet or Pill250 mg per serving
M
Magnesium Citrate 250 mgAN Amazing Nutrition Amazing Formulas · Powder250 mg per serving
M
Magnesium GlycinateAN Amazing Nutrition Amazing Formulas · Powder401 mg per serving
M
Magnesium Citrate 200 mgAN Amazing Nutrition Amazing Formulas · Tablet or Pill200 mg per serving
I
Ionic Magnesium 150Good State · Liquid150 mg per serving
M
Magnesium Oxide 540 mgDr. Clark Research Association Dr. Clark Zentrum · Capsule600 mg per serving
M
Magnesium ComplexNature's Sunshine · Capsule184 mg per serving
C
Chelated MagnesiumNHC Natural Healthy Concepts · Capsule235 mg per serving
M
Magnesium Citrate 200 mgAN Amazing Nutrition Amazing Formulas · Tablet or Pill200 mg per serving
M
Magnesium CitrateNHC Natural Healthy Concepts · Capsule140 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).