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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 3 mg
ON Optimum Nutrition
10 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 3 mg
Douglas Laboratories
4 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 3 mg
Geri-Care
8 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 3 mg
Eurovital Nutraceuticals
8 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 3 mg
Wonder Laboratories
7 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 3 mg
Wonder Laboratories
7 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 3 mg
Wonder Laboratories
7 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 3 mg
Best Naturals
8 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 3 mg
up&up
7 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 3 mg
BIOVEA
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 3 mg
Ultimate Nutrition Platinum Series
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 3 mg
Foods Plus
7 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 3 mg
BIOVEA
8 ingredients · Other Combinations
On Market
Melatonin 3 mg
BIOVEA
8 ingredients · Other Combinations
On Market
Melatonin 3 mg
21st Century
8 ingredients · Other Combinations
On Market
Melatonin 3 mg
WholeHealth
9 ingredients · Other Combinations
On Market
Melatonin 3 mg
Viva Vitamins
7 ingredients · Other Combinations
On Market
Melatonin 3 mg
Wonder Laboratories
7 ingredients · Other Combinations
On Market
Melatonin 3 mg
ProCaps
4 ingredients · Other Combinations
On Market
Melatonin 3 mg
Natrol
8 ingredients · Other Combinations
On Market
Melatonin 3 mg
Natrol
8 ingredients · Other Combinations
On Market
Melatonin 3 mg
Natrol
10 ingredients · Other Combinations
On Market
Melatonin 3 mg
Windmill
8 ingredients · Other Combinations
On Market
Melatonin 3 mg
Amazon Elements
6 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 3 mg Chewable
Amvilab
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 3 mg Fast Dissolve Strawberry
Natrol
16 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 3 mg Fast Dissolve Strawberry Flavor
Natrol
15 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 3 mg Orange Flavored
Indiana Botanic Gardens
9 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 3 mg Orange Flavored
Indiana Botanic Gardens
9 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 3 mg Orange Flavored
Indiana Botanic Gardens
9 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 3 mg Peppermint Flavor
Woodstock Vitamins
7 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 3 mg Quick Dissolve Natural Berry Flavor
Meijer
11 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 3 mg Rapid Release
Country Life
7 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 3 mg Raspberry Flavor
Bluebonnet EarthSweet Chewables
22 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 3 mg Raspberry Flavor
Bluebonnet EarthSweet Chewables
22 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 3 mg SL
HoltraCeuticals
7 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 3 mg Strawberry
Natrol
15 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 3 mg Strawberry Flavor
Eurovital Nutraceuticals
14 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 3 mg Sustained Release
KAL
7 ingredients · Other Combinations
On Market
Melatonin 3 mg Time Release
BIOVEA
12 ingredients · Other Combinations
On Market
Melatonin 3 mg Time Release
Natrol
10 ingredients · Other Combinations
On Market
Melatonin 3 mg Time Released
Highland Laboratories
8 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 3 mg with B-6
Meijer Naturals
9 ingredients · Other Combinations
On Market
Melatonin 3 mg With Vitamin B-6
Martin Avenue Pharmacy
7 ingredients · Vitamin
On Market
Melatonin 30 mg Strawberry Flavor
Safrel
12 ingredients · Other Combinations
On Market
Melatonin 300 mcg
Puritan's Pride
4 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 300 mcg Natural Strawberry Lemon Flavor
Carlson
8 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 5 mg
Foods Plus
8 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 5 mg
AN Amazing Nutrition Amazing Formulas
7 ingredients · Non-Nutrient/Non-Botanical
On Market
Melatonin 5 mg
LuckyVitamin
4 ingredients · Non-Nutrient/Non-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.