United States
Data
Supplements

Magnesium in supplements · page 199

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 199 of 209

Super Potency Magnesium 500 mg, Wonder Laboratories
Super Potency Magnesium 500 mgWonder Laboratories · Tablet or Pill500 mg per serving
C
Cyclin With Growth FactorsMHP Maximum Human Performance · Capsule450 mg per serving
S
Sleep FormulaDouglas Laboratories · Other (e.g. tea bag)200 mg per serving
H
Hypoaller-CDouglas Laboratories · Tablet or Pill40 mg per serving
B
Buffer-C pH Controlled 1000 mgCountry Life · Tablet or Pill8.0 mg per serving
M
Melatonin 1 mgNOW · Tablet or Pill40 mg per serving
B
Bone Health OriginalRedd Remedies · Capsule250 mg per serving
H
Heart StrongRedd Remedies · Tablet or Pill150 mg per serving
1
120/80 CareRedd Remedies · Capsule150 mg per serving
Z
ZMAOptimum Nutrition · Capsule450 mg per serving
C
Calcigard One-To-One Plus Vitamin DDouglas Laboratories · Tablet or Pill250 mg per serving
C
Calcium Magnesium Plus D3Vitamin World · Capsule500 mg per serving
C
Calcium, Magnesium & ZincFinest Nutrition · Tablet or Pill133 mg per serving
Z
ZMANutraBio · Powder450 mg per serving
C
CreaFuze WatermelonNutraBio · Powder80 mg per serving
C
Coral CalciumOL Olympian Labs · Capsule190 mg per serving
C
Cal-Mag 1:1 With Vitamin D3Vitamer Laboratories · Capsule375 mg per serving
P
Probiotic BlendSwanson · Capsule100 mg per serving
A
Amino Charger + Energy Fruit PunchNutrex Research UltraFit Series · Powder40 mg per serving
A
AliClearVianda · Capsule20 mg per serving
O
Outlift Amped Fruit CandyNutrex Research UltraFit Series · Powder160 mg per serving
O
Outlift Amped Peach PineappleNutrex Research UltraFit Series · Powder160 mg per serving
O
Outlift Amped Cosmic BurstNutrex Research UltraFit Series · Powder160 mg per serving
C
Curamin HeadacheTerry Naturally · Tablet or Pill300 mg per serving
C
Curamin Headache ReliefTerry Naturally · Tablet or Pill300 mg per serving
A
AllerStrengthSource Naturals · Tablet or Pill3.0 mg per serving
A
AllerStrengthSource Naturals · Tablet or Pill3.0 mg per serving
A
AllerStrengthSource Naturals · Tablet or Pill3.0 mg per serving
M
Magnesium ThreonateThe Vitamin Shoppe · Capsule144 mg per serving
M
Magnesium Gels 400 mgCarlson · Softgel Capsule400 mg per serving
W
Week One: PreparationDouglas Laboratories · Capsule150 mg per serving
M
Magnesium Glycinate Liquid Natural Apple-Pomegranate FlavorGenestra Brands · Liquid250 mg per serving
V
ValsedDouglas Laboratories · Tablet or Pill4.0 mg per serving
M
Magnesium Malate ForteNutriCology · Capsule124 mg per serving
M
Mg-K AspartateDouglas Laboratories · Tablet or Pill100 mg per serving
M
MgO-40021st Century · Tablet or Pill483 mg per serving
A
Arthri-D3Arthri-D · Capsule40 mg per serving
E
Elete Pure Electrolyte Add-InTrace Minerals Research · Liquid45 mg per serving
K
KELA Cell LiteLife Zone · Capsule345 mg per serving
A
Antacid Tablets Assorted Berry FlavorsBerkley & Jensen · Tablet or Pill2.0 mg per serving
M
Max ZMAMM Sports Nutrition · Capsule450 mg per serving
G
Growing Bones Natural Strawberry Flavour ChewablesHigher Nature Kids · Tablet or Pill60 mg per serving
C
Colon Detox RxTaylor MD Formulations · Capsule100 mg per serving
C
Calcium Magnesium plus BoronSolgar · Tablet or Pill400 mg per serving
C
Coral CalciumIndiana Botanic Gardens · Capsule250 mg per serving
M
Magnesium 250 mgIndiana Botanic Gardens · Tablet or Pill250 mg per serving
N
Natural Calcium Magnesium & ZincVitasmart · Other (e.g. tea bag)400 mg per serving
C
CGT Max V.4 Lemon LimeNutraBio · Powder67 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).