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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

Biotin 5000 mcg
Bluebonnet
5 ingredients · Vitamin
Off Market
Biotin 5000 mcg
Bluebonnet
5 ingredients · Vitamin
Off Market
Biotin 5000 mcg
Bluebonnet
5 ingredients · Vitamin
Off Market
Biotin 5000 mcg Fast Dissolve Strawberry Flavor
Natrol
13 ingredients · Vitamin
Off Market
Biotin 5000 mcg Timed Release
Solaray
6 ingredients · Vitamin
Off Market
Biotin 5000 mcg Timed Release
Solaray
6 ingredients · Vitamin
Off Market
Biotin 600 mcg
Source Naturals
4 ingredients · Vitamin
Off Market
Biotin Forte 3 mg Biotin with Zinc
Nature's Way
17 ingredients · Vitamin
Off Market
Biotin Forte 3 mg with Zinc
Enzymatic Therapy
18 ingredients · Other Combinations
Off Market
Biotin Forte Extra Strength-5 mg
Enzymatic Therapy
15 ingredients · Vitamin
Off Market
Biotin Forte Extra Strength-5 mg
Enzymatic Therapy
16 ingredients · Vitamin
Off Market
Biotin Forte With Zinc
Integrative Therapeutics
18 ingredients · Other Combinations
Off Market
BioTrust Low Carb Milk Chocolate
BioTrust
24 ingredients · Amino acid/Protein
Off Market
Black Cherry 750 mg Extended Release
Nature's Plus Herbal Actives
9 ingredients · Botanical
Off Market
Black Cohosh 40 mg
Quest
6 ingredients · Botanical
Off Market
Black Cohosh 540 mg
Herbal Secrets
5 ingredients · Botanical
Off Market
Black Cohosh Extract 80 mg
Natrol
8 ingredients · Botanical
Off Market
Black Cohosh Root 540 mg
Nature's Way
4 ingredients · Botanical
Off Market
Black Cohosh Root 540 mg
Nature's Way
4 ingredients · Botanical
Off Market
Black Seed with GlyMordica Bitter Melon
Amazing Herbs
8 ingredients · Botanical
Off Market
Bladder Control with Go-Less
AZO
10 ingredients · Botanical with Nutrients
Off Market
Bladder Control with Go-Less
AZO
10 ingredients · Botanical with Nutrients
Off Market
Bladder Control with Go-Less
AZO
10 ingredients · Botanical with Nutrients
Off Market
Bladder Control with Go-Less
AZO
10 ingredients · Botanical with Nutrients
Off Market
Bladder Manager
EuroMedica
7 ingredients · Botanical
Off Market
Blood Balance
Justified Laboratories
20 ingredients · Botanical with Nutrients
Off Market
Blood Nutrients
Carlson
20 ingredients · Other Combinations
Off Market
Blood Nutrients
Carlson
20 ingredients · Other Combinations
Off Market
Blood Nutrients
Carlson
20 ingredients · Other Combinations
Off Market
Blood Nutrients
Carlson
20 ingredients · Other Combinations
Off Market
Blood Pressue Factors
Michael's Naturopathic Programs
20 ingredients · Botanical with Nutrients
Off Market
Blood Pressue Factors
Michael's Naturopathic Programs
20 ingredients · Botanical with Nutrients
Off Market
Blood Pressure Complex
Indiana Botanic Gardens
11 ingredients · Botanical with Nutrients
Off Market
Blood Pressure Complex
Indiana Botanic Gardens
11 ingredients · Botanical with Nutrients
Off Market
Blood Pressure Essentials
Optimal Naturals
17 ingredients · Botanical with Nutrients
Off Market
Blood Pressure Factors
MNP Michael's Naturopathic Programs
20 ingredients · Botanical with Nutrients
Off Market
Blood Pressure Factors
MNP Michael's Naturopathic Programs
20 ingredients · Botanical with Nutrients
Off Market
Blood Pressure Formula
Healthy Choice Naturals
19 ingredients · Botanical with Nutrients
Off Market
Blood Pressure Formula
Healthy Choice Naturals
19 ingredients · Botanical with Nutrients
Off Market
Blood Pressure Support
MaritzMayer Laboratories
18 ingredients · Botanical with Nutrients
Off Market
Blood Pressure Support 1000
MaritzMayer Laboratories
17 ingredients · Botanical with Nutrients
Off Market
Blood Sugar 24 Hour
Diabetes Doctor
10 ingredients · Botanical with Nutrients
Off Market
Blood Sugar 24 Hour
Diabetes Doctor
10 ingredients · Botanical with Nutrients
Off Market
Blood Sugar Balance
RidgeCrest Herbals
12 ingredients · Botanical with Nutrients
Off Market
Blood Sugar Manager
Enzymatic Therapy
33 ingredients · Other Combinations
Off Market
Blood Sugar Manager
Nature's Way
11 ingredients · Botanical with Nutrients
Off Market
Blood Sugar Manager
Nature's Way
11 ingredients · Botanical with Nutrients
Off Market
Blood Sugar Manager
Nature's Way
12 ingredients · Botanical with Nutrients
Off Market
Blood Sugar Manager
Nature's Way
12 ingredients · Botanical with Nutrients
Off Market
Blood Sugar Manager
Nature's Way
12 ingredients · Botanical with Nutrients
Off 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.