Supplements
Magnesium in supplements · page 196
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 196 of 209
V
Vitamin C 1:1Douglas Laboratories · Tablet or Pill70 mg per servingC
Coral Calcium PowderBronson · Powder500 mg per servingV
Vitamin C 1:1Douglas Laboratories · Tablet or Pill70 mg per servingO
Osteo Protector With IpriflavoneThe Vitamin Shoppe · Tablet or Pill250 mg per servingM
Mega-PotassiumTrace Minerals Research · Liquid365 mg per servingC
Calcium Magnesium With ZincThompson · Tablet or Pill400 mg per servingG
Guggul Extra StrengthR-U-Ved · Capsule50 mg per servingI
IP6 & Inositol 500 mgNatural Factors · Capsule32 mg per servingS
Storm Blue RaspberryUniversal · Powder5.0 mg per servingS
Storm Fruit PunchUniversal · Powder5.0 mg per servingC
Cal/Mag 2 GoOL Olympian Labs · Powder500 mg per servingC
Cal/Mag 2 GoOL Olympian Labs The Optimal Blend · Other (e.g. tea bag)500 mg per servingN
Neuro-Mag Magnesium L-Threonate With Calcium And Vitamin D3 Natural Lemon FlavorLife Extension · Powder144 mg per servingN
Neuro-Mag Magnesium L-Threonate With Calcium And Vitamin D3 Natural Lemon FlavorLife Extension · Powder144 mg per servingA
ArbuterolUniversal · Tablet or Pill50 mg per serving5
5-HTP 100 mgSolgar · Capsule50 mg per servingC
Chelated Cal-magVitamer Laboratories · Tablet or Pill500 mg per servingC
Cal-Mag Plus Vitamin DHighland Laboratories · Tablet or Pill600 mg per servingN
Niacin 500 mgCountry Life · Tablet or Pill30 mg per servingR
Reacted Cal-MagOrtho Molecular Products · Capsule175 mg per servingR
Reacted Cal-MagOrtho Molecular Products · Capsule175 mg per servingB
Bone HealthGNC SuperFoods · Other (e.g. tea bag)50 mg per servingP
P-5-P/MagTerry Naturally · Capsule100 mg per servingM
Mag-AmideEndurance Products Company · Tablet or Pill84 mg per servingG
Gentle Move Kids Colon Support Strawberry BlastRenew Life · Tablet or Pill50 mg per servingC
Cal/MagOregon Health · Capsule500 mg per servingM
MigreLief-NOWAkeso · Capsule180 mg per servingK
KMG PlusGenestra Brands · Capsule40 mg per servingB
Beet Root with MagnesiumMason Natural · Tablet or Pill150 mg per servingC
Chelated Calcium Magnesium 1:1Solgar · Tablet or Pill500 mg per servingC
Chelated Calcium Magnesium 1:1Solgar · Tablet or Pill500 mg per servingB
Butyrate ComplexGenestra Brands · Capsule25 mg per servingF
Formula 419 Protease + Cal-MagNESS Nutritional Enzyme Support System · Capsule4.0 mg per servingF
Formula 19 Neuro SupportNESS Nutritional Enzyme Support System · Capsule9.0 mg per servingF
Formula 419 Protease + Cal-MagNESS Nutritional Enzyme Support System · Capsule4.0 mg per servingA
Alka Clear DrinkHigher Nature · Powder58 mg per servingA
Alkaline MineralsDr. Clark Research Association Dr. Clark Zentrum · Capsule119 mg per servingM
Medulla ComplexMBi Nutraceuticals · Capsule50 mg per servingE
EsophaCoolLife Extension · Tablet or Pill200 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).