United States
Data
Supplements

Magnesium in supplements · page 208

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 208 of 209

A
AP MagAyush Herbs · Capsule15 mg per serving
B
BIND Toxin EliminationSystemic Formulas Bio Challenge · Capsule80 mg per serving
P
Potassium/Magnesium AspartateMetabolic Maintenance · Capsule99 mg per serving
M
Magnesium/Potassium ComplexDouglas Laboratories · Capsule90 mg per serving
C
CitramagStayWell · Capsule120 mg per serving
E
Essential Magnesium 250 mgSundown Naturals · Other (e.g. tea bag)250 mg per serving
M
MAGnesium-OxideRising · Tablet or Pill241 mg per serving
M
Magnesium Oxide Pure PowderNOW · Powder290 mg per serving
M
Magnesium GlycinateHard Rhino · Powder200 mg per serving
M
Magnesium 250 mgShopRite · Other (e.g. tea bag)250 mg per serving
M
Magnesium 400Foods Plus · Tablet or Pill480 mg per serving
M
Magnesium CitrateHard Rhino · Powder255 mg per serving
M
Magnesium Glycinate 400 mgHard Rhino · Capsule400 mg per serving
M
Magnesium 250 mgNature's Bounty · Other (e.g. tea bag)250 mg per serving
M
Magnesium CitrateProtocol For Life Balance · Tablet or Pill400 mg per serving
M
Magnesium 250 mgSignature Care · Other (e.g. tea bag)250 mg per serving
M
Magnesium Citrate 100 mgH-E-B · Capsule100 mg per serving
M
Magnesium 500 mgFinest Nutrition · Tablet or Pill500 mg per serving
M
Magnesium Citrate 210 mg UnflavoredNutricost · Powder210 mg per serving
T
Triple Magnesium AdvantageIndiana Botanic Gardens · Capsule400 mg per serving
M
Magnesium Orotate PowderCurEase · Powder2.1 Oz(s) per serving
M
Magnesium Potassium CitrateThe Professional Series · Capsule51 mg per serving
M
Magnesium Oxide 500 mgDouglas Laboratories · Capsule300 mg per serving
M
Magnesium Gluconate 500 mgFoods Plus · Tablet or Pill27 mg per serving
M
Magnesium Citrate 160 mg PowderKAL · Powder160 mg per serving
M
Magnesium GlycinateDouglas Laboratories · Tablet or Pill100 mg per serving
M
Magnesium 500 mgSundown Naturals · Other (e.g. tea bag)500 mg per serving
T
Triple Magnesium 500 mgSundown Naturals · Other (e.g. tea bag)500 mg per serving
M
Magnesium CitrateDouglas Laboratories · Capsule150 mg per serving
M
Magnesium Citrate 200 mgVitamin World · Other (e.g. tea bag)200 mg per serving
T
Triple Magnesium Complex 400 mgVitamin World · Capsule400 mg per serving
H
High Potency Magnesium 500 mgVitamin World · Other (e.g. tea bag)500 mg per serving
M
Magnesium 250 mgSundown Naturalist · Other (e.g. tea bag)250 mg per serving
N
Natural CALM Raspberry-LemonNatural Vitality · Powder235 mg per serving
M
Magnesium 250 mgFinest Nutrition · Tablet or Pill250 mg per serving
R
Rapid-Release Magnesium Citrate 100 mgSpring Valley · Capsule100 mg per serving
M
Magnesium 250 mgNature's Bounty · Tablet or Pill250 mg per serving
N
Natural CALM Original (Unflavored)Natural Vitality · Liquid350 mg per serving
M
Magnesium 250 mgVitamin World · Other (e.g. tea bag)250 mg per serving
C
Creme Flavored Chewable Magnesium 125 mgVitamer Laboratories · Other (e.g. tea bag)125 mg per serving
C
Chelated Magnesium 250 mgVitamer Laboratories · Tablet or Pill250 mg per serving
P
Potassium Magnesium AspartateVitamin World · Tablet or Pill50 mg per serving
M
Magnesium AspartateAB American Biologics · Tablet or Pill667 mg per serving
M
Magnesium Chloride 617 mgVitamin World · Other (e.g. tea bag)70 mg per serving
M
Magnesium 100 mgSimplySupplements · Tablet or Pill167 mg per serving
H
High Absorption 100% Chelated MagnesiumDoctor's Best · Tablet or Pill200 mg per serving
T
True Food MagnesiumHigher Nature · Tablet or Pill50 mg per serving
T
True Food MagnesiumHigher Nature · Tablet or Pill100 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).