United States
Data
Supplements

Magnesium in supplements · page 170

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 170 of 209

Magnesium Citrate 250 mg, Country Life
Magnesium Citrate 250 mgCountry Life · Tablet or Pill250 mg per serving
Effervescent Vitamin C Magnesium Crystals, Life Extension
Effervescent Vitamin C Magnesium CrystalsLife Extension · Powder250 mg per serving
EsophaCool Berry Flavor, Life Extension
EsophaCool Berry FlavorLife Extension · Tablet or Pill200 mg per serving
Liqui-Mag, Brainchild Nutritionals
Liqui-MagBrainchild Nutritionals · Liquid150 mg per serving
Calcium 1,000 mg Magnesium 500 mg Complex, Country Life Target-Mins
Calcium 1,000 mg Magnesium 500 mg ComplexCountry Life Target-Mins · Tablet or Pill500 mg per serving
Calcium 1,000 mg Magnesium 500 mg Complex, Country Life Target-Mins
Calcium 1,000 mg Magnesium 500 mg ComplexCountry Life Target-Mins · Tablet or Pill500 mg per serving
Liqui-Mag Maple Vanilla, Brainchild Nutritionals
Liqui-Mag Maple VanillaBrainchild Nutritionals · Liquid150 mg per serving
Sleep, Performance Lab
SleepPerformance Lab · Capsule100 mg per serving
ZMA 2000, Beverly International
ZMA 2000Beverly International · Capsule450 mg per serving
Calcium Magnesium Caps, Country Life Target-Mins
Calcium Magnesium CapsCountry Life Target-Mins · Capsule250 mg per serving
Trace Minerals, Zemvelo
Trace MineralsZemvelo · Liquid60 mg per serving
Cal-Mag-Zinc, Windmill
Cal-Mag-ZincWindmill · Tablet or Pill500 mg per serving
CG5 Unflavored, PMD
CG5 UnflavoredPMD · Powder66 mg per serving
MagSoothe Tart Raspberry Lemonade Flavor, Jigsaw Health
MagSoothe Tart Raspberry Lemonade FlavorJigsaw Health · Powder200 mg per serving
MagSoothe Tart Raspberry Lemonade Flavor, Jigsaw Health
MagSoothe Tart Raspberry Lemonade FlavorJigsaw Health · Powder200 mg per serving
BP Lifeline, Infinite Age
BP LifelineInfinite Age · Capsule480 mg per serving
Calcium PLUS, Celebrate
Calcium PLUSCelebrate · Tablet or Pill50 mg per serving
Sleep + Magnesium, Celebrate
Sleep + MagnesiumCelebrate · Capsule100 mg per serving
Potassium + Mag, InterPlexus Whole Body Health
Potassium + MagInterPlexus Whole Body Health · Capsule16 mg per serving
Chelated Magnesium Glycinate 400 mg, Carlson
Chelated Magnesium Glycinate 400 mgCarlson · Tablet or Pill400 mg per serving
S
Super Snooze Melatonin FormulaSundown Naturals · Capsule25 mg per serving
B
Basic Anti-OxidantDouglas Laboratories · Tablet or Pill100 mg per serving
L
LaxablendVitanica · Capsule250 mg per serving
L
Liquid Zinc Magnesium Aspartate Natural Berry FlavorTrace Minerals Research · Liquid450 mg per serving
N
New MoodOnnit · Capsule40 mg per serving
A
AminoLinx Berry BlastPS ProSupps · Powder65 mg per serving
A
AminoLinx Cherry BombPS ProSupps · Powder67 mg per serving
A
AminoLinx Fruit PunchPS ProSupps · Powder67 mg per serving
A
AminoLinx Mango PassionfruitPS ProSupps · Powder60 mg per serving
A
AminoLinx WatermelonPS ProSupps · Powder66 mg per serving
N
Natural CALM plus CalciumNatural Vitality · Powder179 mg per serving
S
Sleep Support With MelatoninVitamer Laboratories · Capsule50 mg per serving
C
C8 To T1 ThyChiro-Zyme · Capsule20 mg per serving
T
Thy C8 To T1Thera-Zyme · Capsule20 mg per serving
C
Calcium 1,000 mg Magnesium 400 mgHealth Thru Nutrition Naturally · Softgel Capsule400 mg per serving
O
Osteo-Bone FormulaBluebonnet · Capsule400 mg per serving
C
Calcium 1,000 mg Magnesium 400 mgHealth Thru Nutrition Naturally · Softgel Capsule400 mg per serving
E
Endorphinate PRPondera · Capsule5.0 mg per serving
C
Creatine ComplexSolgar · Tablet or Pill180 mg per serving
C
Chelated Magnesium Calcium 2:1Solgar · Tablet or Pill600 mg per serving
A
Adrenal Cortisol Support ComplexCalifornia Academy of Health · Capsule8.0 mg per serving
C
Calcium Magnesium Citrate With Vitamin DCountry Life Maxi-Sorb · Softgel Capsule400 mg per serving
C
Cysto RenewDouglas Laboratories · Capsule100 mg per serving
K
Klean ElectrolytesKlean Athlete · Capsule25 mg per serving
C
CaprylexDouglas Laboratories · Tablet or Pill100 mg per serving
E
Electrolyte Powder Raspberry & Lemon Natural FlavorDr. Berg · Powder120 mg per serving
Magnesium, Sunwarrior
MagnesiumSunwarrior · Liquid428 mg per serving
Coral Calcium 1400 mg, Progressive Professional from Progressive Laboratories
Coral Calcium 1400 mgProgressive Professional from Progressive Laboratories · Capsule168 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).