Skip to main content

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
Subscribe to updates

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

Niacin 250 mg Sustained Release
Bronson Laboratories
9 ingredients · Vitamin
On Market
Niacin 250 mg Timed-Released
Solaray
7 ingredients · Vitamin
On Market
Niacin 500 mg
Seeking Health
6 ingredients · Vitamin
On Market
Niacin 500 mg
Major
11 ingredients · Vitamin
On Market
Niacin 500 mg
Major
11 ingredients · Vitamin
On Market
Niacin 500 mg
Major
7 ingredients · Vitamin
On Market
Niacin 500 mg
Major
7 ingredients · Vitamin
On Market
Niacin 500 mg
VitalBulk
4 ingredients · Vitamin
On Market
Niacin 500 mg
AvPAK
7 ingredients · Vitamin
On Market
Niacin 500 mg
Natrol
9 ingredients · Vitamin
On Market
Niacin 500 mg
LuckyVitamin
5 ingredients · Vitamin
On Market
Niacin 500 mg
Vital Nutrients
6 ingredients · Vitamin
On Market
Niacin 500 mg
Best Naturals
8 ingredients · Vitamin
On Market
Niacin 500 mg
NOW
5 ingredients · Vitamin
On Market
Niacin 500 mg
21st Century
10 ingredients · Vitamin
On Market
Niacin 500 mg
Swanson
4 ingredients · Vitamin
On Market
Niacin 500 mg Sustained Release
Bronson
7 ingredients · Vitamin
On Market
Niacin 500 mg Sustained Release
Bronson
7 ingredients · Vitamin
On Market
Niacin 500 mg Timed Release
Nature's Blend
6 ingredients · Vitamin
On Market
Niacin Long Acting Vitamin B-3 500 mg
Martin Avenue Pharmacy
5 ingredients · Vitamin
On Market
Niacin Time Release 250 mg
AN Amazing Nutrition Amazing Formulas
6 ingredients · Vitamin
On Market
Niacin Vitamin B-3, 100 mg
Vitabase
6 ingredients · Vitamin
On Market
Niacin-Time 500 mg
Carlson
7 ingredients · Vitamin
On Market
Niacin-Time 500 mg
Carlson
6 ingredients · Vitamin
On Market
Niacin-Time 500 mg
Carlson
6 ingredients · Vitamin
On Market
Niacin-Time 500 mg
Carlson
6 ingredients · Vitamin
On Market
Niacinamide 1000 mg
NaturesPlus
8 ingredients · Vitamin
On Market
Niacinamide 1000 mg
NusaPure
5 ingredients · Vitamin
On Market
Niacinamide 500 mg
Country Life
7 ingredients · Vitamin
On Market
Niacinamide 500 mg
The Vitamin Shoppe
4 ingredients · Vitamin
On Market
Niacinamide 500 mg
The Vitamin Shoppe
4 ingredients · Vitamin
On Market
Niacinamide 500 mg
Bronson
10 ingredients · Vitamin
On Market
Niacinamide 500 mg
Best Naturals
8 ingredients · Vitamin
On Market
Niacinamide 500 mg
NaturesPlus
8 ingredients · Vitamin
On Market
Niacinamide 500 mg
Nutricost
3 ingredients · Vitamin
On Market
Niacinamide 500 mg
Bluebonnet
5 ingredients · Vitamin
On Market
Niacinamide 500 mg
Wonder Laboratories
4 ingredients · Vitamin
On Market
Niacinamide 500 mg
Wonder Laboratories
4 ingredients · Vitamin
On Market
Niacinamide 500 mg
Nature's Way
4 ingredients · Vitamin
On Market
Nicotinamide 1000 mg
Biophix
8 ingredients · Vitamin
On Market
Nicotinamide 1500 mg
Biophix
6 ingredients · Vitamin
On Market
Nicotinamide 500 mg
NusaPure
6 ingredients · Botanical with Nutrients
On Market
Nicotinamide 500 mg
Biophix
5 ingredients · Vitamin
On Market
Nicotinamide Riboside Chloride 125 mg
SuperSmart
3 ingredients · Vitamin
On Market
Night Bullets Blackout
Stripfast 5000
26 ingredients · Other Combinations
On Market
Night Shred GLP-1
INNOSUPPS
13 ingredients · Other Combinations
On Market
Night Time Fat Burner
Havasu Nutrition
14 ingredients · Other Combinations
On Market
Night Time Superfoods Hot Cocoa
moonbrew
26 ingredients · Other Combinations
On Market
Nighttime + CBD 2400 mg | CBN 600 mg
FluxxLab
12 ingredients · Other Combinations
On Market
Nighttime Calming Complex
NBX Wellness
11 ingredients · Other Combinations
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.