Supplements
Magnesium in supplements · page 141
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 141 of 209
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Capra Mineral WheyMt. Capra · Powder37 mg per servingG
Glucose SupportMeijer Naturals · Capsule400 mg per servingC
Competitive MassLee Haney's Nutritional Support Systems · Powder6.5 mg per serving1
100% Raw Foods & Whey Powder VanillaBioChem Sports · Powder17 mg per serving1
100% Hemp & Whey Powder VanillaBioChem Sports · Powder78 mg per servingW
Whey Protein Natural Vanilla FlavorIron-Tek · Powder35 mg per servingW
Whey Protein Natural Chocolate FlavorIron-Tek · Powder48 mg per servingC
Cardio Cuts Green AppleNDS · Powder50 mg per servingC
Cardio Cuts Razz LemonadeNDS · Powder50 mg per servingC
Cramp Bark ExtraVitanica · Capsule60 mg per servingU
Ultra Sugar AidThe Vitamin Shoppe · Tablet or Pill67 mg per servingC
Cardio Cuts GrapeNDS · Powder50 mg per servingC
Creatine Whey Glutamine Powder Natural Vanilla FlavorLife Extension · Powder12 mg per servingS
Stim-Free Super Charge! Fruit PunchLabrada · Powder17 mg per servingP
Pure Protein French VanillaWorldwide Sport Nutritional Supplements · Powder7.0 Gram(s) per servingS
Super Advanced Whey Protein Cinnamon SwirlBody Fortress · Powder26 mg per servingS
Super Advanced Energy Protein Mocha CappuccinoBody Fortress · Powder20 mg per servingS
Super Advanced Whey Peanut Butter & JellyBody Fortress · Powder39 mg per servingS
Super Advanced Mass Gainer ChocolateBody Fortress · Powder70 mg per servingN
Natural Whey Protein VanillaMET-Rx · Powder19 mg per servingU
Universal Ultra ISO Whey Tropical PunchUniversal · Powder18 mg per servingU
Universal Ultra ISO Whey Lemonade ChillerUniversal · Powder17 mg per servingA
Alpha Amino Green AppleCellucor · Powder16 mg per servingA
Alpha Amino Mixed BerryCellucor · Powder16 mg per servingA
Alpha Amino Pink LemonadeCellucor · Powder16 mg per servingA
Alpha Amino GrapeCellucor · Powder16 mg per servingA
Alpha Amino GrapeCellucor · Powder16 mg per servingA
Alpha Amino Lemon LimeCellucor · Powder16 mg per servingV
VitaliChiDr. Xu · Capsule60 mg per servingB
Balanced Life ConcentrateComplete H2O Minerals · Liquid15 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).