United States
Data
Supplements

Magnesium in supplements · page 187

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 187 of 209

C
CBD Capsules 30 mgHemp Bombs · Capsule25 mg per serving
C
CBD Capsules 30 mgHemp Bombs · Capsule25 mg per serving
Q
QuintEssential 0.9Quinton · Liquid2.9 mg per serving
C
CalciumNatures Plus Source of Life Garden · Capsule100 mg per serving
A
Allergy Defense ProbioticProbiogen · Capsule50 mg per serving
C
Calcium LactateSP Standard Process · Tablet or Pill50 mg per serving
C
Calcium Lactate PowderSP Standard Process · Powder160 mg per serving
T
T-PlexxOrganixx · Capsule20 mg per serving
Magnesium Citrate Tropical Drink Mix, Natural Factors Stress-Relax
Magnesium Citrate Tropical Drink MixNatural Factors Stress-Relax · Powder300 mg per serving
Magnesium/Potassium Aspartate, Douglas Laboratories
Magnesium/Potassium AspartateDouglas Laboratories · Capsule70 mg per serving
Magnesium Malate 400, KAL
Magnesium Malate 400KAL · Tablet or Pill400 mg per serving
Magnesium/Potassium Aspartate, Douglas Laboratories
Magnesium/Potassium AspartateDouglas Laboratories · Capsule70 mg per serving
Mag-Malate, Douglas Laboratories
Mag-MalateDouglas Laboratories · Tablet or Pill100 mg per serving
High Potency B-1 500 mg, Source Naturals
High Potency B-1 500 mgSource Naturals · Tablet or Pill100 mg per serving
MagO7, NB Pure
MagO7NB Pure · Capsule1,035 mg per serving
Sleep Tight, Rise-N-Shine
Sleep TightRise-N-Shine · Capsule100 mg per serving
Magnesium, MegaFood
MagnesiumMegaFood · Tablet or Pill50 mg per serving
Menopause Health, Cooper Complete
Menopause HealthCooper Complete · Capsule30 mg per serving
ColonX, XYMOGEN
ColonXXYMOGEN · Capsule200 mg per serving
ColonX, XYMOGEN
ColonXXYMOGEN · Capsule200 mg per serving
Magnesium Threonate, Momentous
Magnesium ThreonateMomentous · Capsule144 mg per serving
Magnesium Glycinate 275 mg, Earth Vibes
Magnesium Glycinate 275 mgEarth Vibes · Capsule275 mg per serving
Magnesium Glycinate, APOPTOSIS Nutraceuticals
Magnesium GlycinateAPOPTOSIS Nutraceuticals · Capsule275 mg per serving
Magnesium Oxide Pure 500 mg, Pure Naturals
Magnesium Oxide Pure 500 mgPure Naturals · Capsule500 mg per serving
Magnesium Oxide 420 mg, Nationwide Pharmaceutical
Magnesium Oxide 420 mgNationwide Pharmaceutical · Tablet or Pill252 mg per serving
Calm-Mag, Life Extension
Calm-MagLife Extension · Capsule45 mg per serving
Neuro-Mag Magnesium L-Threonate, Life Extension
Neuro-Mag Magnesium L-ThreonateLife Extension · Capsule144 mg per serving
Magnesium Orotate 1500 mg, SuperSmart
Magnesium Orotate 1500 mgSuperSmart · Capsule105 mg per serving
Magtein Magnesium L-Threonate 2000 mg, SuperSmart
Magtein Magnesium L-Threonate 2000 mgSuperSmart · Capsule2,000 mg per serving
Magnesium Gluconate 500 mg, Windmill
Magnesium Gluconate 500 mgWindmill · Tablet or Pill27 mg per serving
Magnesium Glycinate 200 mg, Windmill
Magnesium Glycinate 200 mgWindmill · Capsule200 mg per serving
Magnesium L-Threonate 2000 mg, Sports Research
Magnesium L-Threonate 2000 mgSports Research · Capsule144 mg per serving
Magnesium Bisglycinate Chelate, Lake Avenue Nutrition
Magnesium Bisglycinate ChelateLake Avenue Nutrition · Tablet or Pill200 mg per serving
Magnesium Citrate 200 mg, NOW
Magnesium Citrate 200 mgNOW · Tablet or Pill400 mg per serving
Magnesium Citrate Pure Powder, NOW
Magnesium Citrate Pure PowderNOW · Powder450 mg per serving
Magnesium-HP, Healthy Gut
Magnesium-HPHealthy Gut · Capsule180 mg per serving
C
Complete Menopause Health FormulaWindmill Rx Premium Vitamins · Other (e.g. tea bag)250 mg per serving
C
Calscorbplex Powdered Ascorbate ComplexDouglas Laboratories · Powder4.5 mg per serving
C
CalZboneBronson Laboratories · Capsule82 mg per serving
C
CalZboneBronson Laboratories · Capsule82 mg per serving
C
Cal-MagOL Olympian Labs · Capsule250 mg per serving
C
CholedreneHi-Tech Pharmaceuticals · Capsule25 mg per serving
O
Osteo-Guard One-To-OneDouglas Laboratories · Tablet or Pill125 mg per serving
L
Liquid Cal-Mag + Natural Raspberry FlavorKAL · Liquid300 mg per serving
D
Dreamweaver Advanced Sleep FormulaCorr-Jensen Labs · Softgel Capsule125 mg per serving
R
Re-ShredGNC Beyond Raw · Tablet or Pill25 mg per serving
B
Butterbur ExtraVitanica · Capsule250 mg per serving
C
Celi-Vites For Balanced Bone HealthGluten Free Therapeutics · Powder250 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).