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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

Melatonin 1 mg Lozenge Peppermint Flavor
Woodstock Vitamins
10 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 1 mg Rapid Release
Country Life
7 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 1 mg Rapid Release
Country Life
7 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 1 mg Strawberry
Natrol
15 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 1 mg Strawberry Flavor
AN Amazing Nutrition Amazing Formulas
7 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 1 mg Time Release
Natrol
10 ingredients · Other Combinations
On Market
Melatonin 1.0 mg Orange Flavor
Source Naturals Sleep Science
7 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 1.0 mg Orange Flavor
Source Naturals Sleep Science
7 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 1.0 mg Orange Flavor
Source Naturals Sleep Science
6 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 1.0 mg Peppermint Flavor
Source Naturals Sleep Science
6 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 1.0 mg Peppermint Flavor
Source Naturals Sleep Science
6 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 10 mg
Foods Plus
7 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 10 mg
AN Amazing Nutrition Amazing Formulas
7 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 10 mg
AN Amazing Nutrition Amazing Formulas
8 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 10 mg
EuroMedica
8 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 10 mg
Puritan's Pride
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 10 mg
NewtonEverett
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 10 mg
Meijer
6 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 10 mg
Sundown
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 10 mg
DC
7 ingredients · Other Combinations
On Market
Melatonin 10 mg
Wonder Laboratories
7 ingredients · Other Combinations
On Market
Melatonin 10 mg
Wonder Laboratories
7 ingredients · Other Combinations
On Market
Melatonin 10 mg
up&up
8 ingredients · Other Combinations
On Market
Melatonin 10 mg
up&up
8 ingredients · Other Combinations
On Market
Melatonin 10 mg
Puritan's Pride
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 10 mg
OL Olympian Labs
8 ingredients · Other Combinations
On Market
Melatonin 10 mg
OL Olympian Labs
8 ingredients · Other Combinations
On Market
Melatonin 10 mg + B6 Natural Cherry
WonderLabs
7 ingredients · Other Combinations
On Market
Melatonin 10 mg Advanced Sleep Time Release
Natrol
10 ingredients · Other Combinations
On Market
Melatonin 10 mg Citrus Flavor
AN Amazing Nutrition Amazing Formulas
7 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 10 mg Fast Dissolve Citrus
Natrol
15 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 10 mg Fast Dissolve Citrus
Natrol
15 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 10 mg Fast Dissolve Peppermint Flavor
Bronson
9 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 10 mg Lozenges Cherry Flavor
Futurebiotics
10 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 10 mg Mixed Berry Flavor
BIOVEA
7 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 10 mg plus L-Theanine
Nature's Truth
8 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 10 mg Raspberry Flavor
Bluebonnet EarthSweet Chewables
21 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 10 mg Raspberry Flavor
Bluebonnet EarthSweet Chewables
21 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 10 mg Strawberry Flavor
Safrel
10 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 10 mg Time Release
Sleep Soundly
7 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 12 mg
AN Amazing Nutrition Amazing Formulas
7 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 12 mg
Puritan's Pride
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 12 mg Fast Dissolve Peppermint Flavor
Bronson
10 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 12 mg Fast Dissolve Peppermint Flavor
Bronson
10 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 2 mg
Adaptogen Research
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 2.5 mg Orange Flavor
Source Naturals Sleep Science
7 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 20 mg
NOW
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 20 mg Fast Dissolve Natural Berry Flavor
Vitamatic
10 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 20 mg Fast Dissolve Natural Berry Flavor
Vitamatic
10 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 3 mg
Vitabase
9 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.