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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

Calcium & Magnesium 225 mg/75 mg
Vital Nutrients
5 ingredients · Mineral
Off Market
Calcium & Magnesium 225 mg/75 mg
Vital Nutrients
5 ingredients · Mineral
Off Market
Calcium & Magnesium 225 mg/75 mg
Vital Nutrients
5 ingredients · Mineral
Off Market
Calcium & Magnesium Citrate Powder with Vitamin D3
NOW
4 ingredients · Other Combinations
Off Market
Calcium & Magnesium Citrate With D
Natural Factors
13 ingredients · Botanical with Nutrients
Off Market
Calcium & Magnesium Citrate With D
Natural Factors
12 ingredients · Botanical with Nutrients
Off Market
Calcium & Magnesium Citrate With D Plus Potassium & Zinc
Natural Factors
13 ingredients · Botanical with Nutrients
Off Market
Calcium & Magnesium Mineral Complex
Nature's Way
8 ingredients · Mineral
Off Market
Calcium & Magnesium Mineral Complex
Nature's Way
6 ingredients · Mineral
Off Market
Calcium & Magnesium Mineral Complex
Nature's Way
6 ingredients · Mineral
Off Market
Calcium & Magnesium Mineral Complex
Nature's Way
6 ingredients · Mineral
Off Market
Calcium & Magnesium Mineral Complex
Nature's Way
6 ingredients · Mineral
Off Market
Calcium & Magnesium Softgel
NOW
8 ingredients · Other Combinations
Off Market
Calcium & Magnesium Softgel
NOW
8 ingredients · Other Combinations
Off Market
Calcium & Magnesium Softgel With Vitamin D And Zinc
NOW
10 ingredients · Other Combinations
Off Market
Calcium & Vitamin D3 Citrus Flavored
Nature's Way
23 ingredients · Other Combinations
Off Market
Calcium (300) Magnesium (600) Vitamin D
AA Anabolic Agents
8 ingredients · Other Combinations
Off Market
Calcium (Carbonate, Aspartate & Citrate) 500 mg
Swanson Premium Brand
7 ingredients · Mineral
Off Market
Calcium (MCHA) with Magnesium
Pure Encapsulations
4 ingredients · Mineral
Off Market
Calcium (MCHA) with Magnesium
Pure Encapsulations
4 ingredients · Mineral
Off Market
Calcium 1,000 Complex
Bronson Laboratories
6 ingredients · Other Combinations
Off Market
Calcium 1,000 mg Magnesium 400 mg
Health Thru Nutrition Naturally
17 ingredients · Botanical with Nutrients
Off Market
Calcium 1,000 mg Magnesium 500 mg with Vitamin D 10 mcg (400 I.U.) Complex
Country Life Target-Mins
10 ingredients · Other Combinations
Off Market
Calcium 1000 Complex
Bronson Laboratories
6 ingredients · Other Combinations
Off Market
Calcium 1000 mg Magnesium 500 mg Zinc 50 mg with L-Glutamic Acid
Country Life
9 ingredients · Other Combinations
Off Market
Calcium 1000 mg Plus Vitamin D And Magnesium
PharmAssure
6 ingredients · Other Combinations
Off Market
Calcium 200 mg
Kirkman
4 ingredients · Mineral
Off Market
Calcium 600 mg
Puritan's Pride
3 ingredients · Mineral
Off Market
Calcium 600 mg
Geri-Care
15 ingredients · Mineral
Off Market
Calcium 600+D+Minerals
Equate
11 ingredients · Other Combinations
Off Market
Calcium 600-D
Rugby
15 ingredients · Other Combinations
Off Market
Calcium Bone Maker Complex
Doctor's Best
14 ingredients · Multi-Vitamin and Mineral (MVM)
Off Market
Calcium Citrate
Windmill
7 ingredients · Mineral
Off Market
Calcium Citrate
Bronson
6 ingredients · Mineral
Off Market
Calcium Citrate
Physician's Preference
12 ingredients · Other Combinations
Off Market
Calcium Citrate
NOW
12 ingredients · Other Combinations
Off Market
Calcium Citrate
NOW
12 ingredients · Other Combinations
Off Market
Calcium Citrate
Nature's Way
6 ingredients · Mineral
Off Market
Calcium Citrate
Nature's Way
6 ingredients · Mineral
Off Market
Calcium Citrate
Windmill
7 ingredients · Mineral
Off Market
Calcium Citrate
Windmill
7 ingredients · Mineral
Off Market
Calcium Citrate
Windmill
7 ingredients · Mineral
Off Market
Calcium Citrate
Windmill
7 ingredients · Mineral
Off Market
Calcium Citrate
Windmill
7 ingredients · Mineral
Off Market
Calcium Citrate
Nature's Way
5 ingredients · Mineral
Off Market
Calcium Citrate
Windmill Natural Vitamins
11 ingredients · Mineral
Off Market
Calcium Citrate & Magnesium
The Vitamin Shoppe
4 ingredients · Mineral
Off Market
Calcium Citrate & Magnesium
The Vitamin Shoppe
4 ingredients · Mineral
Off Market
Calcium Citrate & Magnesium
Bluebonnet
7 ingredients · Mineral
Off Market
Calcium Citrate 1000
KAL
5 ingredients · Mineral
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.