United States
Data
Supplements

Magnesium in supplements · page 121

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 121 of 209

V
Vita-Chel PlusDouglas Laboratories · Tablet or Pill200 mg per serving
C
Cholo-PakDouglas Laboratories · Other (e.g. tea bag)83 mg per serving
V
VitaWorxDouglas Laboratories · Capsule168 mg per serving
V
Vitaworks With IronDouglas Laboratories · Capsule168 mg per serving
U
Ultra-AM CapsulesDouglas Laboratories · Capsule200 mg per serving
U
Ultra-AM CapsulesDouglas Laboratories · Capsule200 mg per serving
D
Diabet-Support PackDouglas Laboratories · Other (e.g. tea bag)250 mg per serving
P
Prosta-Pro Support PackDouglas Laboratories · Other (e.g. tea bag)450 mg per serving
U
Ultra Preventive 2000 Series Nutri-Smart PackDouglas Laboratories · Other (e.g. tea bag)150 mg per serving
U
Ultra Preventive XDouglas Laboratories · Capsule250 mg per serving
U
Ultra Preventive XDouglas Laboratories · Tablet or Pill500 mg per serving
U
Ultra Preventive XDouglas Laboratories · Tablet or Pill500 mg per serving
U
Ultra Protein Plus Natural Chocolate Almond FlavorDouglas Laboratories · Powder115 mg per serving
M
Metabolic CleanseDouglas Laboratories · Powder140 mg per serving
S
Sports Performance Pro-PCA Fuel Training Session FormulaDouglas Laboratories · Powder60 mg per serving
U
Ultra Preventive III PowderDouglas Laboratories · Powder500 mg per serving
E
Essential-4 Nutrition PackDouglas Laboratories · Other (e.g. tea bag)250 mg per serving
S
Skin Support PackDouglas Laboratories · Other (e.g. tea bag)125 mg per serving
F
FM Support PackDouglas Laboratories · Other (e.g. tea bag)340 mg per serving
D
Dry Eye Support Pack (+ Multivitamin)Douglas Laboratories · Other (e.g. tea bag)100 mg per serving
S
Skin Support PackDouglas Laboratories · Other (e.g. tea bag)125 mg per serving
U
Ultra Cardio Support PackDouglas Laboratories · Other (e.g. tea bag)250 mg per serving
S
Skin Support PackDouglas Laboratories · Other (e.g. tea bag)125 mg per serving
B
Bone Health PackDouglas Laboratories · Other (e.g. tea bag)625 mg per serving
M
Memory PackDouglas Laboratories · Other (e.g. tea bag)250 mg per serving
C
Cardiovascular Health PackDouglas Laboratories · Other (e.g. tea bag)300 mg per serving
S
Senior Men's PackDouglas Laboratories · Other (e.g. tea bag)300 mg per serving
I
Intestinal/GI Support PackDouglas Laboratories · Other (e.g. tea bag)300 mg per serving
D
Diabet-Support PackDouglas Laboratories · Other (e.g. tea bag)250 mg per serving
S
Stress Support PackDouglas Laboratories · Other (e.g. tea bag)300 mg per serving
J
Joint Health PackDouglas Laboratories · Other (e.g. tea bag)300 mg per serving
B
Blood Sugar Support PackDouglas Laboratories · Other (e.g. tea bag)300 mg per serving
S
Skin Support PackDouglas Laboratories · Other (e.g. tea bag)125 mg per serving
S
Senior Women's PackDouglas Laboratories · Other (e.g. tea bag)625 mg per serving
F
Food-Based Prenatal CompleteVitaCeutical Labs · Tablet or Pill500 mg per serving
P
Prenatal Multivitamin TabletBayer One A Day · Tablet or Pill50 mg per serving
M
Met-A-SynX-PackDouglas Laboratories · Other (e.g. tea bag)125 mg per serving
C
Cholesterol PlusBayer One A Day · Tablet or Pill100 mg per serving
E
EnergyBayer One A Day · Tablet or Pill40 mg per serving
U
Ultra Preventive V Plus ChelDouglas Laboratories · Other (e.g. tea bag)237 mg per serving
M
MaximumBayer One A Day · Tablet or Pill100 mg per serving
M
Men's 50+ AdvantageBayer One A Day · Tablet or Pill100 mg per serving
M
Memory PackDouglas Laboratories · Other (e.g. tea bag)250 mg per serving
W
Women's 50+ AdvantageBayer One A Day · Tablet or Pill50 mg per serving
B
BP PackDouglas Laboratories · Other (e.g. tea bag)440 mg per serving
W
Women's Active Mind & BodyBayer One A Day · Tablet or Pill50 mg per serving
I
Immune Support PackDouglas Laboratories · Other (e.g. tea bag)250 mg per serving
C
Cognitive Support PackDouglas Laboratories · Other (e.g. tea bag)250 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).