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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

POST with added L-Glutamine Birthday Cake Flavor
ath
35 ingredients · Amino acid/Protein
On Market
Post Workout Fruit Punch
Equate
20 ingredients · Amino acid/Protein
On Market
Postnatal Fenugreek 2,000 mg
Nature's Truth
6 ingredients · Botanical
On Market
Postnatal Multivitamin
NATURELO Premium Supplements
33 ingredients · Botanical with Nutrients
On Market
PostW Chocolate Peanut Butter
Swolverine
29 ingredients · Other Combinations
On Market
Potassium & Magnesium Aspartate
Bronson
5 ingredients · Mineral
On Market
Potassium & Magnesium Aspartate
GNC
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Potassium & Magnesium Aspartate
GNC
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Potassium & Magnesium Aspartate 250 mg
GNC
8 ingredients · Mineral
On Market
Potassium & Magnesium Aspartate 250 mg
GNC
8 ingredients · Mineral
On Market
Potassium + Mag
InterPlexus Whole Body Health
8 ingredients · Mineral
On Market
Potassium + Magnesium
Nutricost
5 ingredients · Mineral
On Market
Potassium 98 mg
Bronson
10 ingredients · Mineral
On Market
Potassium 98 mg
Bronson
10 ingredients · Mineral
On Market
Potassium 99 Chloride 99 mg
KAL
5 ingredients · Mineral
On Market
Potassium 99 mg
Vitabase
8 ingredients · Mineral
On Market
Potassium 99 mg
Country Life
7 ingredients · Mineral
On Market
Potassium 99 mg
Indiana Botanic Gardens
6 ingredients · Mineral
On Market
Potassium 99 mg
Carlson
6 ingredients · Mineral
On Market
Potassium 99 mg
VitalBulk
6 ingredients · Mineral
On Market
Potassium 99 mg
Meijer
7 ingredients · Mineral
On Market
Potassium 99 mg
Source Naturals
7 ingredients · Mineral
On Market
Potassium 99 mg
Puritan's Pride
5 ingredients · Mineral
On Market
Potassium 99 mg
Puritan's Pride
5 ingredients · Mineral
On Market
Potassium 99 mg
Solaray
8 ingredients · Mineral
On Market
Potassium 99 mg
Meijer
7 ingredients · Mineral
On Market
Potassium 99 mg
Bluebonnet
6 ingredients · Mineral
On Market
Potassium 99 mg
NaturesPlus
7 ingredients · Mineral
On Market
Potassium 99 mg
Country Life
8 ingredients · Mineral
On Market
Potassium 99 mg
Nature's Way
5 ingredients · Mineral
On Market
Potassium 99 mg
Country Life Target-Mins
7 ingredients · Mineral
On Market
Potassium 99 mg
Nutricost
4 ingredients · Mineral
On Market
Potassium 99 mg
Nutricost
4 ingredients · Mineral
On Market
Potassium 99 mg
Carlson
6 ingredients · Mineral
On Market
Potassium 99 mg + Magnesium 210 mg
Nutricost
5 ingredients · Mineral
On Market
Potassium 99 mg as Amino Acid Chelate
Martin Avenue Pharmacy
6 ingredients · Mineral
On Market
Potassium 99 mg with Iodine 150 mcg
Zenesis Labs
10 ingredients · Mineral
On Market
Potassium Caps
Twinlab
6 ingredients · Mineral
On Market
Potassium Caps
Twinlab
6 ingredients · Mineral
On Market
Potassium Chloride 99 mg
Best Naturals
8 ingredients · Mineral
On Market
Potassium Citrate
BioCare
5 ingredients · Mineral
On Market
Potassium Citrate 99 mg
Swanson
4 ingredients · Mineral
On Market
Potassium Citrate 99 mg
Best Naturals
7 ingredients · Mineral
On Market
Potassium Citrate 99 mg
Solaray
9 ingredients · Mineral
On Market
Potassium Cocktail Blue Raspberry Sugar-Free
Jigsaw Health
15 ingredients · Mineral
On Market
Potassium Cocktail Blue Raspberry Sugar-Free
Jigsaw Health
15 ingredients · Mineral
On Market
Potassium Cocktail Orange Sugar-Free
Jigsaw Health
14 ingredients · Mineral
On Market
Potassium Cocktail Orange Sugar-Free
Jigsaw Health
14 ingredients · Mineral
On Market
Potassium Gluconate 595 mg
Best Naturals
8 ingredients · Mineral
On Market
Potassium Gluconate 595 mg
21st Century
7 ingredients · Mineral
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.