Supplements

Magnesium in supplements · page 144

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 144 of 209

Precision BCAA WatermelonGNC Beyond Raw · Powder50 mg per serving

Precision BCAA GrapeGNC Beyond Raw · Powder50 mg per serving

Precision BCAA Sour GummyGNC Beyond Raw · Powder50 mg per serving

Precision BCAA Strawberry/BananaGNC Beyond Raw · Powder50 mg per serving

Magnesium Calcium+Rainbow Light · Tablet or Pill321 mg per serving

Max RelaxAdaptogen Research · Capsule75 mg per serving

Aminolytes WatermelonBeast Sports Nutrition · Powder35 mg per serving

Adrenal StrengthMegaFood · Tablet or Pill40 mg per serving

VeganPure Essence Real-Zymes · Capsule5.0 mg per serving

Calcium-MagnesiumNature's Sunshine · Tablet or Pill200 mg per serving

Total Strength + Performance Strawberry LemonadeOnnit · Powder40 mg per serving

Caltrate Bone Health Advanced ChewablesCaltrate · Tablet or Pill40 mg per serving

Keto BHB ChocolateKetoLogic · Powder75 mg per serving

Theanine Serene with ReloraSource Naturals Serene Science · Tablet or Pill300 mg per serving

Attentive ChildSource Naturals · Tablet or Pill120 mg per serving

Adora Calcium Supplement 500 mg CocoaAdora · Other (e.g. tea bag)40 mg per serving

Hydrator Lemon Lime FlavoredVega Sport · Powder20 mg per serving

SaltStick Race Ready Electrolyte Caps PlusSaltStick · Capsule7.0 mg per serving

Keto Drive Revved Black CherryZHOU · Powder100 mg per serving

Cal/Mag 1001Douglas Laboratories · Tablet or Pill500 mg per serving

Cal/Mag 2001Douglas Laboratories · Tablet or Pill375 mg per serving

Cal/Mag 1001Douglas Laboratories · Tablet or Pill500 mg per serving

Cal/Mag 2001Douglas Laboratories · Tablet or Pill375 mg per serving

Ultra Strength SleepOLLY · Softgel Capsule150 mg per serving

TMSport Max Hydrate Effervescent Tablets Lemon LimeTrace Minerals · Tablet or Pill50 mg per serving

Buffered Vitamin C 500 mgSolaray · Capsule37 mg per serving

TESTOFX SportALLMAX · Capsule450 mg per serving

Prostate HealthSNAP · Capsule60 mg per serving

Versalyte Citrus SplashPEScience · Powder125 mg per serving

Versalyte Wild Berry SplashPEScience · Powder125 mg per serving

Digestive Enzymes with ProbioticsIsotonix · Powder25 mg per serving

Joint Mobility FactorsMH Michael's Health Naturopathic Programs · Tablet or Pill300 mg per serving

Effervescent Magnesium CitrateDaVinci Laboratories · Powder420 mg per serving

Fizzy Mag Tasty Lemon Lime FlavorLittle DaVinci · Powder420 mg per serving

Cortico-B5B6Metagenics · Tablet or Pill75 mg per serving

Shift Caffeinated Mixed BerryReal Ketones · Other (e.g. tea bag)160 mg per serving

Shift Caffeinated PeachReal Ketones · Powder160 mg per serving

Shift Raspberry Lemonade FlavoredReal Ketones · Powder160 mg per serving

Shift Watermelon FlavoredReal Ketones · Powder160 mg per serving

ThyLoomis Enzymes · Capsule20 mg per serving

Magnesium Calm Liposomal Almond VanillaMary Ruth’s · Liquid135 mg per serving

Coral Complex 3EcoSafe · Capsule168 mg per serving

Quantum Mag LiquidQuantum Nutrition Labs · Liquid380 mg per serving

Kidney DetoxSuperSmart · Capsule150 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).