Supplements
Magnesium in supplements · page 186
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).
| Age | Men | Women |
|---|---|---|
| 0-6 months | — | — |
| 7-12 months | — | — |
| 1–3 years | 65 mg | 65 mg |
| 4–8 years | 110 mg | 110 mg |
| 9–13 years | 350 mg | 350 mg |
| 14–18 years | 350 mg | 350 mg |
| 19–30 years | 350 mg | 350 mg |
| 31–50 years | 350 mg | 350 mg |
| 51+ years | 350 mg | 350 mg |
Source: NIH ODS Magnesium Fact Sheet for Health Professionals, Table 3 (updated 2026-01-06).
Supplements with Magnesium
10,004 shown · page 186 of 209
B
Bone Strength Formula With KoActLife Extension · Capsule100 mg per servingI
Ionic Iron 22 mgTrace Minerals Research · Liquid25 mg per servingC
Calcium Magnesium ZincNature's Bounty · Other (e.g. tea bag)400 mg per servingE
Evotest Black CherryBSN · Powder250 mg per servingP
Prima Una De GatoAllergy Research Group · Capsule19 mg per servingM
MyoSedateDesigns for Health · Capsule150 mg per servingI
InflamzymeIntegrative Therapeutics · Tablet or Pill25 mg per servingC
Cal/Mag 1:1Metabolic Maintenance · Capsule100 mg per servingC
Chromium PicolinateMetabolic Maintenance · Capsule40 mg per servingG
GTF ChromiumMetabolic Maintenance · Capsule40 mg per servingC
Calcium Magnesium & Vitamin DNutraceutical Sciences Institute · Capsule250 mg per servingN
Natural Calcium, Magnesium & Zinc with Vitamin D3Spring Valley · Unknown400 mg per servingC
Calscorbplex Powdered Ascorbate ComplexDouglas Laboratories · Powder4.5 mg per servingS
SleepEasyTaylor MD Formulations · Tablet or Pill200 mg per servingB
Buffered Vitamin C 1000 mgCountry Life · Tablet or Pill12 mg per servingM
Madness Blue RaspberryMutant · Powder15 mg per servingM
Madness Fruit PunchMutant · Powder15 mg per servingG
GlutaGen OrangeRSP · Powder20 mg per servingN
N-Vein UnflavoredNutrex Research · Powder100 mg per servingP
P-5-P 50 mgNOW · Tablet or Pill100 mg per servingC
Coral Calcium PlusNOW · Capsule250 mg per servingC
Coral Calcium PlusNOW · Capsule250 mg per servingU
Ultra-MagSource Naturals · Tablet or Pill400 mg per servingG
Garcinia Cambogia + KetonesGT Genesis Today · Capsule40 mg per servingT
Triphala 500 mgNOW · Tablet or Pill200 mg per servingC
Calcium Magnesium ZincNature's Bounty · Other (e.g. tea bag)133 mg per servingU
Ultra-MagSource Naturals · Tablet or Pill400 mg per servingB
Bone SupplyHighland Laboratories · Tablet or Pill500 mg per servingB
Buffered Vitamin C PowderNutriCology · Powder107 mg per servingS
Super Konjac DietBio Nutrition · Capsule50 mg per servingL
Liquid Electrolytes UnflavoredBodyTech · Liquid45 mg per servingM
Mega Immune ComplexNature's Lab · Capsule150 mg per servingP
PureYoli · Capsule300 mg per servingB
Buffered Vitamin C 1,000 mgCountry Life · Tablet or Pill12 mg per servingB
Buffered Vitamin C 1,000 mgCountry Life · Tablet or Pill12 mg per servingB
Buffered Ascorbic Acid CapsulesPure Encapsulations · Capsule37 mg per servingM
Magnesium Malate 625 mgSource Naturals · Capsule425 mg per servingN
NeuroRelaxANTIAGING Institute of California · Capsule90 mg per servingC
Calcium & Magnesium 300 mgSource Naturals · Tablet or Pill100 mg per servingK
KSR Kidney Stone ReliefCoast Science · Capsule180 mg per servingK
Keto MaxThrive Naturals · Capsule32 mg per servingC
CBD Capsules 15 mgHemp Bombs · Capsule25 mg per servingC
CBD Capsules 15 mgHemp Bombs · Capsule25 mg per servingC
CBD Capsules 15 mgHemp Bombs · Capsule25 mg per servingC
CBD Capsules 15 mgHemp Bombs · Capsule25 mg per servingC
CBD Capsules 30 mgHemp Bombs · Capsule25 mg per servingLabel 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).