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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

Magnesium Oxide
Douglas Laboratories
7 ingredients · Mineral
On Market
Magnesium Oxide
Earthborn Elements
2 ingredients · Mineral
On Market
Magnesium Oxide 1000 mg
NusaPure
6 ingredients · Mineral
On Market
Magnesium Oxide 300 mg
Natural Grocers by Vitamin Cottage
5 ingredients · Mineral
On Market
Magnesium Oxide 300 mg
Cooper Complete
8 ingredients · Mineral
On Market
Magnesium Oxide 375 mg
Nutricost
5 ingredients · Mineral
On Market
Magnesium Oxide 400
Wonder Labs
5 ingredients · Mineral
On Market
Magnesium Oxide 400
Foster Regal
5 ingredients · Mineral
On Market
Magnesium Oxide 400
Wonder Labs
5 ingredients · Mineral
On Market
Magnesium Oxide 400
Wonder Labs
5 ingredients · Mineral
On Market
Magnesium Oxide 400
Wonder Labs
5 ingredients · Mineral
On Market
Magnesium Oxide 400
Wonder Labs
5 ingredients · Mineral
On Market
Magnesium Oxide 400
Windmill
12 ingredients · Mineral
On Market
Magnesium Oxide 400 mg
Reliable-1 Laboratories
7 ingredients · Mineral
On Market
Magnesium Oxide 400 mg
The Vitamin Shoppe
5 ingredients · Mineral
On Market
Magnesium Oxide 400 mg
Rugby
7 ingredients · Mineral
On Market
Magnesium Oxide 400 mg
Major
7 ingredients · Mineral
On Market
Magnesium Oxide 400 mg
Major Pharmaceuticals
7 ingredients · Mineral
On Market
Magnesium Oxide 400 mg
Wonder Laboratories
6 ingredients · Mineral
On Market
Magnesium Oxide 400 mg
Wonder Laboratories
6 ingredients · Mineral
On Market
Magnesium Oxide 400 mg
Graxcell Pharmaceutical, LLC.
5 ingredients · Mineral
On Market
Magnesium Oxide 400 mg
The Generic Pharmaceutical Company
5 ingredients · Mineral
On Market
Magnesium Oxide 400 mg
DC
6 ingredients · Mineral
On Market
Magnesium Oxide 400 mg
DC
6 ingredients · Mineral
On Market
Magnesium Oxide 400 mg
DC
6 ingredients · Mineral
On Market
Magnesium Oxide 400 mg
Geri-Care
10 ingredients · Mineral
On Market
Magnesium Oxide 420 mg
Nationwide Pharmaceutical
9 ingredients · Mineral
On Market
Magnesium Oxide 420 mg
tnvitamins
5 ingredients · Mineral
On Market
Magnesium Oxide 500 mg
PureFormulas
7 ingredients · Mineral
On Market
Magnesium Oxide 500 mg
AN Amazing Nutrition Amazing Formulas
5 ingredients · Mineral
On Market
Magnesium Oxide 500 mg
Best Naturals
8 ingredients · Mineral
On Market
Magnesium Oxide 500 mg
Pure Naturals
5 ingredients · Mineral
On Market
Magnesium Oxide 500 mg Capsules
BulkSupplements.com
2 ingredients · Mineral
On Market
Magnesium Oxide 540 mg
Dr. Clark Research Association Dr. Clark Zentrum
3 ingredients · Mineral
On Market
Magnesium Oxide Powder
BulkSupplements.com
1 ingredient · Mineral
On Market
Magnesium Oxide Powder 835 mg
BulkSupplements.com
1 ingredient · Mineral
On Market
Magnesium Oxide Powder 835 mg
BulkSupplements.com
1 ingredient · Mineral
On Market
Magnesium Oxide Powder 835 mg
BulkSupplements.com
1 ingredient · Mineral
On Market
Magnesium Oxide Pure 500 mg
Pure Naturals
5 ingredients · Mineral
On Market
Magnesium Oxide Pure Powder
NOW
2 ingredients · Mineral
On Market
Magnesium Oxide Tablets 400 mg
Qualitest
5 ingredients · Mineral
On Market
Magnesium Oxide Tablets 400 mg
Safrel
7 ingredients · Mineral
On Market
Magnesium Oxide Tablets 400 mg
Safrel
6 ingredients · Mineral
On Market
Magnesium Phospholipid Complex
BioCare
8 ingredients · Other Combinations
On Market
Magnesium Plus Mixed Berry Flavor
Pure Essence Ionic-Fizz
25 ingredients · Botanical with Nutrients
On Market
Magnesium Plus Mixed Berry Flavor
Pure Essence Ionic-Fizz
25 ingredients · Botanical with Nutrients
On Market
Magnesium Plus Mixed Berry Flavor
Pure Essence Ionic-Fizz
25 ingredients · Botanical with Nutrients
On Market
Magnesium Plus Mixed Berry Flavor
Pure Essence Ionic-Fizz
25 ingredients · Botanical with Nutrients
On Market
Magnesium Plus Orange-Vanilla Flavor
Pure Essence Ionic-Fizz
22 ingredients · Botanical with Nutrients
On Market
Magnesium Plus Orange-Vanilla Flavor
Pure Essence Ionic-Fizz
22 ingredients · Botanical with Nutrients
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.