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Non-nutrient/non-botanical · Supplement ingredient

Magnesium

Magnesium is listed on 27,686 U.S. supplement product labels in the NIH DSLD, #3 of 4,614 by label frequency.

27,686
Products
#3 of 4,614
By frequency
NIH
Dosing fact sheet
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Magnesium dosing reference

NIH ODS Fact Sheet →
Recommended Dietary Allowance (RDA / AI)
400–420 mg for adult men, 310–320 mg for adult women
Tolerable Upper Intake Level (UL)
350 mg from supplements only (no UL on dietary intake) for adults
Drug interactions
Reduces absorption of bisphosphonates, quinolone and tetracycline antibiotics. May enhance effect of muscle relaxants.
Pregnancy & lactation
RDA during pregnancy is 350–360 mg; lactation 310–320 mg.

Statement required by FDA: These statements have not been evaluated by the Food and Drug Administration. Dietary supplements are not intended to diagnose, treat, cure, or prevent any disease. Consult a licensed healthcare provider before starting, stopping, or combining any supplement, especially if you are pregnant, nursing, take prescription medication, or have a medical condition.

Source: https://ods.od.nih.gov/factsheets/Magnesium-HealthProfessional/

How common is Magnesium?

Number of supplement labels listing Magnesium vs nearby non-nutrient/non-botanical ingredients

products
Source NIH Dietary Supplement Label Database (DSLD) As of 2026

Products containing Magnesium

Methylburn Extreme
MuscleMeds
22 ingredients · Other Combinations
On Market
Methylcobalamin
Klaire Labs
10 ingredients · Vitamin
On Market
Methylcobalamin
XYMOGEN
8 ingredients · Vitamin
On Market
Methylcobalamin
XYMOGEN
8 ingredients · Vitamin
On Market
Methylcobalamin
XYMOGEN
8 ingredients · Vitamin
On Market
Methylcobalamin (Vitamin B-12)
DC
9 ingredients · Vitamin
On Market
Methylcobalamin 1000 mcg Raspberry Flavor
Bluebonnet EarthSweet Chewables
21 ingredients · Vitamin
On Market
Methylcobalamin 5,000 mcg
Klaire Labs
10 ingredients · Vitamin
On Market
Methylcobalamin 5000 mcg Raspberry Flavor
Bluebonnet EarthSweet Chewables
21 ingredients · Vitamin
On Market
MethylCobalamin Vitamin B-12 1 mg Cherry Flavored Sublingual
Source Naturals
6 ingredients · Vitamin
On Market
MethylCobalamin Vitamin B-12 1 mg Cherry Flavored Sublingual
Source Naturals
6 ingredients · Vitamin
On Market
Methylfolate 400 mcg Natural Raspberry Flavor
Bluebonnet EarthSweet Chewables
23 ingredients · Vitamin
On Market
Methylfolate 800 mcg
The Vitamin Shoppe
4 ingredients · Vitamin
On Market
Mexican Wild Yam 500 mg
The Vitamin Shoppe
4 ingredients · Botanical
On Market
Mg Plus Guard
Perque
6 ingredients · Other Combinations
On Market
Mg Plus Guard
Perque
8 ingredients · Mineral
On Market
Mg Plus Guard
Perque
8 ingredients · Mineral
On Market
MG Plus Protein
Miller Pharmacal Group
9 ingredients · Mineral
On Market
MG Plus Protein
Miller Pharmacal Group
9 ingredients · Mineral
On Market
Mg/K Aspartate
Metagenics
8 ingredients · Mineral
On Market
MgCl2 1088 mg
SuperSmart
9 ingredients · Mineral
On Market
MgO2 (Magnesium Caps)
Douglas Laboratories
6 ingredients · Other Combinations
On Market
MgO2 (Magnesium Caps)
Douglas Laboratories
6 ingredients · Other Combinations
On Market
Micellar Casein Cookies & Cream
BodyTech
29 ingredients · Amino acid/Protein
On Market
Micellar Creme Chocolate Milkshake
Syntrax
25 ingredients · Amino acid/Protein
On Market
Micellar Creme Chocolate Milkshake
Syntrax
25 ingredients · Amino acid/Protein
On Market
Micellar Creme Strawberry Milkshake
Syntrax
25 ingredients · Amino acid/Protein
On Market
Micellar Creme Strawberry Milkshake
Syntrax
25 ingredients · Amino acid/Protein
On Market
Micellar Creme Vanilla Milkshake
Syntrax
25 ingredients · Amino acid/Protein
On Market
Micellar Creme Vanilla Milkshake
Syntrax
25 ingredients · Amino acid/Protein
On Market
MicroCell NutriGuard Plus
BioCare
16 ingredients · Other Combinations
On Market
MicroCell Vitamin E 200
BioCare
5 ingredients · Vitamin
On Market
Micromag Capsules 625 mg
Nootropics Depot
2 ingredients · Mineral
On Market
Micromag Powder
Nootropics Depot
1 ingredient · Mineral
On Market
Micronized BCAA
Sierra Fit
9 ingredients · Amino acid/Protein
On Market
Micronized Creatine Capsules 2.5 g
Optimum Nutrition
3 ingredients · Non-Nutrient/Non-Botanical
On Market
Mid-Life Symmetry
Vitanica
32 ingredients · Other Combinations
On Market
Migranex +BioPerine
Approved Science
12 ingredients · Other Combinations
On Market
MigreLief Triple Therapy with Puracol
Akeso
15 ingredients · Botanical with Nutrients
On Market
MigreLief-NOW
Akeso
11 ingredients · Botanical with Nutrients
On Market
Mild Iron 25 mg Chelated
Meijer Naturals
8 ingredients · Other Combinations
On Market
Military Muscle Testosterone Booster
Military Muscle
16 ingredients · Botanical with Nutrients
On Market
Milk & Egg Chocolate Flavor
Universal
26 ingredients · Amino acid/Protein
On Market
Milk & Egg Chocolate Flavor
Universal
26 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Milk & Egg Vanilla Flavor
Universal
28 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Milk Thistle (Silymarin)
Mason Natural
5 ingredients · Botanical with Nutrients
On Market
Milk Thistle + Turmeric + Vitamin B
The Plug
23 ingredients · Botanical
On Market
Milk Thistle 100 mg
Dr. Rico Perez
6 ingredients · Botanical
On Market
Milk Thistle 1000 mg
Bronson
6 ingredients · Botanical
On Market
Milk Thistle 1000 mg
Futurebiotics
6 ingredients · Botanical
On Market

Nearby Ingredients in Non-nutrient/non-botanical

Other ingredients in the Non-nutrient/non-botanical category cataloged in the NIH DSLD. Useful for comparing how common different nutrients are across the US supplement market.

Compare Magnesium vs Citric Acid →

Nationwide ingredients with similar DSLD presence

Two peer sets for Magnesium: closest on total DSLD label listings (27,686 here) and closest on distinct brands that list it (2,255 here). Peers exclude the same DSLD category, and rows stay link-disjoint so each axis is a distinct neighborhood.

Similar label frequency

Nearest other ingredients by distinct DSLD product labels (floored at ≥50), outside this category.

Similar brand breadth

Nearest other ingredients by distinct brands listing them (floored at ≥100 brands), distinct from the label-frequency row.

Frequently asked about Magnesium

What is the Recommended Dietary Allowance (RDA) for Magnesium?
400–420 mg for adult men, 310–320 mg for adult women. The RDA is the average daily intake sufficient to meet the nutrient requirements of nearly all (97–98%) healthy people. Source: NIH Office of Dietary Supplements.
Is there an upper limit for Magnesium?
350 mg from supplements only (no UL on dietary intake) for adults (Tolerable Upper Intake Level, UL, the maximum daily intake unlikely to cause adverse health effects in the general population).
Does Magnesium interact with medications?
Reduces absorption of bisphosphonates, quinolone and tetracycline antibiotics. May enhance effect of muscle relaxants. This is a partial list, always discuss supplement use with a pharmacist or prescribing provider.
What about Magnesium during pregnancy or breastfeeding?
RDA during pregnancy is 350–360 mg; lactation 310–320 mg.
How many supplement products contain Magnesium?
27,686 supplement product labels in the NIH DSLD currently lists Magnesium as an ingredient. By label frequency it ranks #3 of 4,614 among ingredients PlainVitamins ranks (same sort as /rankings/most-common-ingredients). Browse them below.

Source: NIH Office of Dietary Supplements, Dietary Supplement Label Database (DSLD) · Dosing reference: NIH ODS Magnesium Health Professional Fact Sheet. Regulatory reference: Source: Dietary Supplement Health and Education Act (DSHEA), 1994, 21 U.S.C. § 321(ff).

Disclaimer, Not Medical Advice: Information on this page is based on manufacturer-declared label data and is provided for educational and reference purposes only. It does not constitute medical, nutritional, or health advice. Consult a licensed healthcare provider before starting, stopping, or combining any supplement, especially if you are pregnant, nursing, take prescription medication, or have a medical condition.

Every figure on PlainVitamins is rendered directly from the NIH Dietary Supplement Label Database (DSLD), no number is typed in by an editor. Ingredient figures are computed directly from the NIH DSLD, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.