Supplements
Magnesium in supplements · page 174
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 174 of 209
O
Ostivone PlusOL Olympian Labs · Tablet or Pill750 mg per servingS
SaltStick Caps PlusSaltStick · Capsule7.0 mg per servingC
ConcenTrace Trace Mineral DropsTrace Minerals Research · Liquid250 mg per servingY
Yohimbe Power Max 2000Action Labs · Capsule150 mg per servingC
Calcium Zinc Magnesium Plus CopperUniversal Nutrition / Universal Naturals · Tablet or Pill600 mg per servingT
Tcentials Trace Mineral DropsTcentials · Liquid250 mg per servingI
Internal Harmony For Women Sleep AidDreamBrands · Capsule125 mg per servingB
Bone NutrientsSeeking Health · Capsule100 mg per servingC
Calcium Bone FormulaNature's Way · Tablet or Pill400 mg per servingZ
ZMA with TheanineTrue Athlete · Capsule450 mg per servingB
BHB Exogenous Ketones Blue Ice Popfitfactor KETO · Powder150 mg per servingB
BHB Exogenous Ketones Peach Mangofitfactor KETO · Powder150 mg per servingC
Coral Calcium/Magnesium 2:1 RatioSource Naturals · Tablet or Pill200 mg per servingM
MyoCalm PlusMetagenics · Tablet or Pill150 mg per servingM
MyoCalm PlusMetagenics · Tablet or Pill150 mg per servingE
Exogenous Ketones Berry Blast FlavorMetagenics · Powder40 mg per servingC
C-BuffBio-Tech Pharmacal · Powder125 mg per servingK
KetoBrain Energy Natural Strawberry-Lemonade FlavorPure Encapsulations · Powder350 mg per servingL
Laxative FormulaIntegrative Therapeutics · Tablet or Pill722 mg per servingA
AminoLast Lemon IceGaspari Nutrition · Powder20 mg per servingA
AminoLast Southern Sweet TeaGaspari Nutrition · Powder20 mg per servingA
AminoLast Peach RaspberryGaspari Nutrition · Powder20 mg per servingA
AminoLast Orange Mango TwistGaspari Nutrition · Powder20 mg per servingA
AminoLast Guava NectarineGaspari Nutrition · Powder20 mg per servingA
AminoLast Black CherryGaspari Nutrition · Powder20 mg per servingM
Maca ComplexGNC Herbal Plus · Capsule60 mg per servingB
Buffered Vitamin C PowderLife Extension · Powder55 mg per servingN
Neuron ComplexMBi Nutraceuticals · Capsule60 mg per servingE
Esophageal Guardian Berry FlavorLife Extension · Tablet or Pill40 mg per servingP
Prima Una de Gato IINutriCology · Capsule19 mg per servingC
Carbotein GrapeGAT Sport · Powder40 mg per servingD
Dr. Ho CleanseTheraBotanics · Powder57 mg per servingP
Pure Plant CalciumSimply Young · Powder67 mg per servingP
Pure Plant Calcium Organic Toffee ShakeSimply Young · Powder0.00 NP 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).