Supplements

Magnesium in supplements · page 188

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	Pregnancy	Breastfeeding
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	350 mg	350 mg
19–30 years	350 mg	350 mg	350 mg	350 mg
31–50 years	350 mg	350 mg	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 188 of 209

Magnesium Malate 625 mgBIOVEA · Capsule433 mg per serving

ArjunaR-U-Ved · Capsule300 mg per serving

Sleep Solve 24/7American BioSciences · Tablet or Pill20 mg per serving

Quercetin ComplexVitamer Laboratories · Capsule15 mg per serving

Chelated Calcium Magnesium ZincRadiance Platinum · Tablet or Pill400 mg per serving

P6 PMCellucor · Capsule450 mg per serving

Buffered C CapsulesOrtho Molecular Products · Capsule100 mg per serving

Buffered Lemon C PowderOrtho Molecular Products · Powder350 mg per serving

OsteoNourishU.S. Doctors' Clinical · Tablet or Pill200 mg per serving

Magnesium CitrateNature Made · Softgel Capsule250 mg per serving

Buffered Ascorbic Acid CapsulesPure Encapsulations · Capsule51 mg per serving

MC Mineral Complex EnhancerBiochem · Powder84 mg per serving

MyoCalmMetagenics · Tablet or Pill100 mg per serving

Inulin Prebiotic FiberDr. Clark Store · Powder101 mg per serving

Mind RetreatNatural Factors Stress-Relax · Capsule50 mg per serving

AnxiousLessNature's Sunshine · Capsule40 mg per serving

WaterexGNC Total Lean · Capsule50 mg per serving

AnxiousLessNature's Sunshine · Capsule40 mg per serving

Keto Assist Rasberry LemonadePure Prescriptions · Powder110 mg per serving

Night OwlAmbrosia · Capsule72 mg per serving

Neuro-Mag Concepts Lemon-LimeNHC Natural Healthy Concepts · Powder200 mg per serving

Keto Fire Caffeine FreeAncient Nutrition · Capsule103 mg per serving

Keto FireAncient Nutrition · Capsule103 mg per serving

Malic Acid + MagnesiumDouglas Laboratories · Tablet or Pill86 mg per serving

Quercetin Bromelain ComplexDouglas Laboratories · Tablet or Pill13 mg per serving

Buffered Cassava Vitamin C with Calcium and MagnesiumNutriCology · Capsule52 mg per serving

PMS RescueCountry Life · Capsule75 mg per serving

You're a KnockoutOra · Capsule25 mg per serving

Mag-KProgressive Professional from Progressive Laboratories · Capsule200 mg per serving

Mega MagnesiumWoodstock Vitamins · Capsule400 mg per serving

Neprinol AFD 500 mgArthur Andrew Medical · Capsule8.0 mg per serving

CaprystatinEcological Formulas · Tablet or Pill7.0 mg per serving

Potassium-Magnesium TaurateCardiovascular Research · Capsule45 mg per serving

MagTechNS Natural Stacks · Capsule200 mg per serving

MagO7NB Pure Pure Vegan · Capsule1,035 mg per serving

Cleanse MoreRenew Life · Capsule230 mg per serving

FibralgiaNature's Sunshine · Capsule80 mg per serving

Potassium Magnesium (Aspartate)Pure Encapsulations · Capsule70 mg per serving

Potassium Magnesium (Citrate)Pure Encapsulations · Capsule70 mg per serving

High Absorption Magnesium 100 mgDoctor's Best · Tablet or Pill200 mg per serving

High Absorption Magnesium PowderDoctor's Best · Powder200 mg per serving

MagMindJarrow Formulas · Capsule144 mg per serving

Magnesium AspartateSwanson · Capsule133 mg per serving

Magnesium Orotate 40 mgSwanson · Capsule40 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).