Supplements
Magnesium in supplements · page 194
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 194 of 209
C
Calcium Magnesium Citrate With Vitamin D3 Natural Strawberry FlavorVitamin World · Liquid600 mg per serving5
5-HTP L-5-Hydroxy Tryptophan 100 mgVitamin World · Capsule25 mg per servingC
Chelated Calcium Magnesium ZincRadiance · Tablet or Pill400 mg per servingC
Calcium Magnesium With ZincNaturalist · Tablet or Pill400 mg per servingM
Muscle & Joint ComplexIndiana Botanic Gardens · Capsule300 mg per servingP
Pain EaseComplete H2O Minerals · Liquid16 mg per servingB
Biomag LehningHomeOcan Inc. · Tablet or Pill0.00 Not Present per serving2
2:1 Cal-Mag Citrate With Zinc And Vitamin DNature's Harmony · Tablet or Pill75 mg per servingA
Alpha KG+Metabolic Maintenance · Capsule40 mg per servingT
Tranquil Day Delicious Lemon FlavorWindmill Health Products · Powder600 mg per servingE
Endure Performance ElectrolyteTrace Minerals Research · Liquid45 mg per servingI
IP-6 Inositol Hexaphosphate 500 mgVitacost · Capsule20 mg per servingM
Magnesium Malate 1250 mgBIOVEA · Tablet or Pill425 mg per servingC
Calcium Magnesium ZincCountry Life · Tablet or Pill500 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).