United States
Data
Supplements

Magnesium in supplements · page 189

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).

AgeMenWomenPregnancyBreastfeeding
0-6 months————
7-12 months————
1–3 years65 mg65 mg——
4–8 years110 mg110 mg——
9–13 years350 mg350 mg——
14–18 years350 mg350 mg350 mg350 mg
19–30 years350 mg350 mg350 mg350 mg
31–50 years350 mg350 mg350 mg350 mg
51+ years350 mg350 mg——

Source: NIH ODS Magnesium Fact Sheet for Health Professionals, Table 3 (updated 2026-01-06).

Supplements with Magnesium

10,004 shown · page 189 of 209

Magnesium Bisglycinate Powder, NOW
Magnesium Bisglycinate PowderNOW · Powder250 mg per serving
Magnesium Citrate, NOW
Magnesium CitrateNOW · Capsule400 mg per serving
Magnesium Citrate, NOW
Magnesium CitrateNOW · Capsule400 mg per serving
Magnesium Glycinate, NOW
Magnesium GlycinateNOW · Tablet or Pill200 mg per serving
Magnesium Oxide Tablets 400 mg, Safrel
Magnesium Oxide Tablets 400 mgSafrel · Tablet or Pill241 mg per serving
Magnesium Oxide Tablets 400 mg, Safrel
Magnesium Oxide Tablets 400 mgSafrel · Tablet or Pill241 mg per serving
High Absorption Magnesium 200 mg, Doctor's Best
High Absorption Magnesium 200 mgDoctor's Best · Tablet or Pill200 mg per serving
C
Calcium Magnesium Liquid Natural Blueberry FlavorVitamin World · Liquid300 mg per serving
P
Phyto GreensVita Plus · Capsule50 mg per serving
A
Aloe Vera Juice Whole LeafLily of the Desert · Liquid4.0 mg per serving
C
Coral Calcium Plus Vitamin D3 & MagnesiumNature's Bounty · Capsule56 mg per serving
U
Ultra Acid-Base BalanceAB American Biologics · Capsule400 mg per serving
F
Fibro-DMGDaVinci Laboratories Of Vermont · Tablet or Pill50 mg per serving
M
Min-TranSP Standard Process · Tablet or Pill19 mg per serving
B
Bone EssentialsVital Nutrients · Capsule100 mg per serving
C
Chewable Cal/MagRx Vitamins · Tablet or Pill50 mg per serving
O
Optimal-pHTrace Minerals Research · Liquid25 mg per serving
H
HIBERN8Nutrex Research · Capsule195 mg per serving
C
Calcium Magnesium Zinc With Vitamin D 1000 mgSunshine Naturals · Tablet or Pill500 mg per serving
C
Clinical IronTerry Naturally · Tablet or Pill300 mg per serving
A
Antacid With Blueberry FiberBrainard's · Tablet or Pill24 mg per serving
A
Antacid With Blueberry FiberBrainard's · Tablet or Pill24 mg per serving
Z
Zinc Magnesium 351 mg Nighttime BlendGNC Pro Performance · Tablet or Pill90 mg per serving
B
Buddy Bear Gentle Lax Natural Chocolate FlavorRenew Life · Tablet or Pill50 mg per serving
C
Calcium Magnesium And ZincRexall Naturalist · Tablet or Pill400 mg per serving
T
Triple Strength Osteo-Care Bone Density ComplexHealthy Choice Naturals · Tablet or Pill500 mg per serving
T
Tri-Crea Cmplx UnflavoredFaktrition · Powder160 mg per serving
T
Tri-Crea Cmplx Fruit PunchFaktrition · Powder160 mg per serving
G
GABA Calm Orange FlavorSource Naturals · Lozenge5.0 mg per serving
G
GABA Calm Peppermint FlavorSource Naturals · Lozenge5.0 mg per serving
M
Migra-Tension EzIndiana Botanic Gardens · Capsule150 mg per serving
B
Bone SupportInfoWars Life · Capsule35 mg per serving
B
Buffered Vitamin C PowderAllergy Research Group · Powder107 mg per serving
C
Caprylic AcidThe Vitamin Shoppe · Capsule41 mg per serving
F
ForboseBulletproof · Capsule30 mg per serving
A
Antacid TabletsDr Choice · Tablet or Pill2.0 mg per serving
C
CoraCal 1000 mg21st Century · Capsule500 mg per serving
E
Extra Strength Antacid TabletsKroger · Tablet or Pill2.0 mg per serving
U
Ultra Strength Antacid Tablets Peppermint FlavorKroger · Tablet or Pill3.0 mg per serving
M
Magnesium Tropical Citrusvitafusion GOODNESS · Gummy or Jelly165 mg per serving
C
Cal 600-Mag 300-DViva Vitamins · Tablet or Pill300 mg per serving
C
Calcium Plus 1000 mgGNC · Other (e.g. tea bag)500 mg per serving
C
Calcium Citrate Plus 800 mgGNC · Other (e.g. tea bag)400 mg per serving
M
Magnesium Powder LemonGNC · Powder325 mg per serving
M
Magnesium 165 mg Adult Gummies Natural Tropical Citrus Flavorvitafusion · Gummy or Jelly165 mg per serving
C
Cal-Mag 2:1 PlusAdaptogen Research · Tablet or Pill125 mg per serving
C
Cal-Mag CitrateBIOVEA · Tablet or Pill250 mg per serving
R
Relax + Calm Magnesium Soft Chews Grape FlavorMegaFood · Gummy or Jelly250 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).