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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

Full Spectrum Boswellia & Curcumin
Swanson
6 ingredients · Botanical
On Market
Full Spectrum Burdock Root 460 mg
Swanson
5 ingredients · Botanical
On Market
Full Spectrum Butcher's Broom 470 mg
Swanson
5 ingredients · Botanical
On Market
Full Spectrum Butea Superba Root 400 mg
Swanson
5 ingredients · Botanical
On Market
Full Spectrum Chaga Mushroom 400 mg
Swanson
5 ingredients · Botanical
On Market
Full Spectrum Cinnamon, Fenugreek and Gymnema with Ceylon Cinnamon
Swanson
7 ingredients · Botanical
On Market
Full Spectrum Dong Quai 530 mg
Swanson
5 ingredients · Botanical
On Market
Full Spectrum Feverfew 380 mg
Swanson
4 ingredients · Botanical
On Market
Full Spectrum Fo-Ti 500 mg
Swanson
5 ingredients · Botanical
On Market
Full Spectrum Garlic 400 mg
Swanson
5 ingredients · Botanical
On Market
Full Spectrum Guarana 500 mg
Swanson
5 ingredients · Botanical
On Market
Full Spectrum Hawthorn Extract 550 mg
Planetary Herbals
10 ingredients · Botanical with Nutrients
On Market
Full Spectrum Herbal Gallbladder Care
Swanson
7 ingredients · Botanical
On Market
Full Spectrum Irish Moss 400 mg
Swanson
5 ingredients · Botanical
On Market
Full Spectrum Japanese Ashitaba 500 mg
Swanson
5 ingredients · Botanical
On Market
Full Spectrum Korean Red Ginseng Root 400 mg
Swanson
5 ingredients · Botanical
On Market
Full Spectrum Mineral Caps
NOW
14 ingredients · Other Combinations
On Market
Full Spectrum Mineral Caps
NOW
14 ingredients · Other Combinations
On Market
Full Spectrum Muira Puama 400 mg
Swanson
5 ingredients · Botanical
On Market
Full Spectrum Olive Leaf 400 mg
Swanson
5 ingredients · Botanical
On Market
Full Spectrum Optimum Enzymes
Bluebonnet
13 ingredients · Other Combinations
On Market
Full Spectrum Optimum Enzymes
Bluebonnet
13 ingredients · Other Combinations
On Market
Full Spectrum Rhodiola Rosea Extract 327 mg
Planetary Herbals
8 ingredients · Botanical
On Market
Full Spectrum Rosemary 400 mg
Swanson
3 ingredients · Botanical
On Market
Full Spectrum Sarsaparilla Root 450 mg
Swanson
5 ingredients · Botanical
On Market
Full Spectrum Schizandra Berries 525 mg
Swanson
5 ingredients · Botanical
On Market
Full Spectrum Sea Buckthorn
Swanson
5 ingredients · Botanical
On Market
Full Spectrum Shiitake Mushroom 500 mg
Swanson
5 ingredients · Botanical
On Market
Full Spectrum St. John's Wort 375 mg
Swanson
4 ingredients · Botanical
On Market
Full Spectrum Stinging Nettle 420 mg
Planetary Herbals
10 ingredients · Botanical
On Market
Full Spectrum Stinging Nettle 420 mg
Planetary Herbals
10 ingredients · Botanical
On Market
Full Spectrum Super Fruit Complex
Swanson
6 ingredients · Botanical
On Market
Full Spectrum Sweet Wormwood 425 mg
Swanson
5 ingredients · Botanical
On Market
Full Spectrum Turmeric Extract 450 mg
Planetary Herbals
11 ingredients · Botanical with Nutrients
On Market
Full Spectrum Uva Ursi Leaf 450 mg
Swanson
4 ingredients · Botanical
On Market
Full Spectrum Valerian Extract 650 mg
Planetary Herbals
10 ingredients · Botanical with Nutrients
On Market
Full Spectrum Valerian Extract 650 mg
Planetary Herbals
10 ingredients · Botanical with Nutrients
On Market
Full Spectrum White Willow Bark 400 mg
Swanson
4 ingredients · Botanical
On Market
Full Spectrum Wild Yam 400 mg
Swanson Premium Brand
5 ingredients · Botanical
On Market
Full Spectrum with Vitamin C
Nature's Blend
16 ingredients · Vitamin
On Market
Fully Active B Complex
Doctor's Best
13 ingredients · Vitamin
On Market
Fully Active B Complex with Quatrefolic
Doctor's Best
13 ingredients · Vitamin
On Market
Fulvic Minerals +
Blisque
6 ingredients · Mineral
On Market
Fulvic Minerals 100 mg
Solaray
4 ingredients · Non-Nutrient/Non-Botanical
On Market
Fulvic Trace Minerals
Good State
66 ingredients · Mineral
On Market
Functional Female
NuMedica
12 ingredients · Other Combinations
On Market
Functional Female
NuMedica
12 ingredients · Other Combinations
On Market
Functional Male
NuMedica
11 ingredients · Botanical with Nutrients
On Market
Functional Male
NuMedica
11 ingredients · Botanical with Nutrients
On Market
Fundamental Sulfur II
Douglas Laboratories
7 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.