United States
Data
Supplements

Magnesium in supplements · page 101

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 101 of 209

T
Tru-Food Vegan Natural Berry FlavorNOW · Powder200 mg per serving
M
Monster Massive BananaCytoSport · Powder200 mg per serving
O
OptiCleanse GHI Chocolate MintXYMOGEN · Powder140 mg per serving
M
Max BrainXYMOGEN · Capsule12 mg per serving
M
Monster Milk ChocolateCytoSport · Powder60 mg per serving
M
Monster Milk VanillaCytoSport · Powder40 mg per serving
J
Java Whey Original BlendNutraBio · Powder26 mg per serving
P
PRE V.2 Raw UnflavoredNutraBio · Powder40 mg per serving
G
Glycemic FactorsCountry Life · Tablet or Pill50 mg per serving
B
Baby Care Pre-NatalCountry Life · Capsule350 mg per serving
P
Pre Extreme Stimulant Free WatermelonNutraBio · Powder40 mg per serving
1
100% Pure Stabilized Rice BranNutraBio · Powder17 mg per serving
P
Post Peach MangoNutraBio · Powder40 mg per serving
T
Thyroid SupportViMulti · Capsule200 mg per serving
W
WellBetX PGX Weight Management Shake French VanillaNatural Factors · Powder120 mg per serving
W
WellBetX PGX Weight Management Shake ChocolateNatural Factors · Powder120 mg per serving
D
Daily EssentialsOL Olympian Labs Performance Sports Nutrition · Capsule40 mg per serving
I
Iron Free Ultimate OneVitamer Laboratories · Tablet or Pill40 mg per serving
F
Fuel 360 Strawberry LimePMD Platinum · Powder180 mg per serving
F
Fuel 360 WatermelonPMD Platinum · Powder180 mg per serving
D
Daily EssentialsOL Olympian Labs · Capsule40 mg per serving
U
Ultimate Protein System VanillaBioChem Sports · Powder68 mg per serving
U
Ultimate Protein System VanillaBioChem Sports · Powder68 mg per serving
W
Women's 45+ MultiVitamer Laboratories · Tablet or Pill240 mg per serving
S
Stress & Immunity Support Natural Strawberry FlavorFemiwell · Powder56 mg per serving
I
Iron Free One Daily MultipleVitaCeutical Labs · Tablet or Pill50 mg per serving
V
Vegan Multi Once DailyVitaCeutical Labs · Tablet or Pill7.5 mg per serving
M
Multivitamin Natural Fruit FlavorBarimelts · Tablet or Pill40 mg per serving
S
Steady OnAllergy Research Group · Powder130 mg per serving
T
Take Heart II Without HormonesAllergy Research Group · Powder160 mg per serving
T
Take Heart II Without HormonesAllergy Research Group · Powder160 mg per serving
R
Right 1 DailyCarlson · Softgel Capsule50 mg per serving
H
Heartbeat EliteCarlson · Tablet or Pill150 mg per serving
H
Heartbeat EliteCarlson · Tablet or Pill150 mg per serving
M
Multi for TeensCarlson · Tablet or Pill40 mg per serving
M
Multi for TeensCarlson · Tablet or Pill40 mg per serving
E
Ener-C Lemon LimePauling Labs · Powder60 mg per serving
E
Ener-C OrangePauling Labs · Powder60 mg per serving
E
Ener-C Pinepple CoconutPauling Labs · Powder60 mg per serving
E
Ener-C RaspberryPauling Labs · Powder60 mg per serving
E
Ener-C Tangerine GrapefruitPauling Labs · Powder60 mg per serving
T
Tangerine GrapefruitPauling Labs · Powder60 mg per serving
W
Women's Advanced Protein Cinnamon BunGNC Pro Performance AMP · Powder40 mg per serving
L
L-Arginine Complete Mixed Berry FlavorFNX · Powder20 mcg per serving
M
Macro Berri RedsMacroLife Naturals · Powder20 mg per serving
M
Macro Berri RedsMacroLife Naturals · Powder20 mg per serving
W
Women's Advanced Protein Vanilla Ice CreamGNC Pro Performance AMP · Powder40 mg per serving
A
AlfalfaHerbal Hills · Tablet or Pill4.8 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).