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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

Calcigard 250
Douglas Laboratories
7 ingredients · Mineral
On Market
Calcigard One-To-One
Douglas Laboratories
8 ingredients · Mineral
On Market
Calcigard Two-to-One Plus Vitamin D
Douglas Laboratories
8 ingredients · Other Combinations
On Market
Calcium & Magnesium
Natural Factors
9 ingredients · Mineral
On Market
Calcium & Magnesium
Higher Nature
10 ingredients · Mineral
On Market
Calcium & Magnesium
Higher Nature
10 ingredients · Mineral
On Market
Calcium & Magnesium
LuckyVitamin
8 ingredients · Mineral
On Market
Calcium & Magnesium
NOW
15 ingredients · Mineral
On Market
Calcium & Magnesium
NOW
15 ingredients · Mineral
On Market
Calcium & Magnesium
Ron Teeguarden Nutraceuticals
8 ingredients · Other Combinations
On Market
Calcium & Magnesium
MegaFood
14 ingredients · Botanical with Nutrients
On Market
Calcium & Magnesium
MegaFood
14 ingredients · Botanical with Nutrients
On Market
Calcium & Magnesium
Butterfly Express
11 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Calcium & Magnesium + Zinc
Major
15 ingredients · Mineral
On Market
Calcium & Magnesium 225 mg/75 mg
Vital Nutrients
5 ingredients · Mineral
On Market
Calcium & Magnesium 225 mg/75 mg
Vital Nutrients
5 ingredients · Mineral
On Market
Calcium & Magnesium Citrate
Natural Factors
12 ingredients · Botanical with Nutrients
On Market
Calcium & Magnesium Citrate With D3
Natural Factors
12 ingredients · Botanical with Nutrients
On Market
Calcium & Magnesium Citrate with D3
Natural Factors
12 ingredients · Botanical with Nutrients
On Market
Calcium & Magnesium Citrate with D3
Natural Factors
16 ingredients · Botanical with Nutrients
On Market
Calcium & Magnesium Citrate with D3
Natural Factors
16 ingredients · Botanical with Nutrients
On Market
Calcium & Magnesium Citrates
Spring Valley Natural Foods
4 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Calcium & Magnesium Citrates W/ Hydroxyapatite, Boron, Vitamin K
Vitabase
13 ingredients · Other Combinations
On Market
Calcium & Magnesium Gels 400 mg:200 mg
Carlson
13 ingredients · Other Combinations
On Market
Calcium & Magnesium Mineral Complex 750 mg
Nature's Way
6 ingredients · Mineral
On Market
Calcium & Magnesium Mineral Complex 750 mg
Nature's Way
6 ingredients · Mineral
On Market
Calcium & Magnesium Plus With Boron & Vitamin D
Martin Avenue Pharmacy
10 ingredients · Other Combinations
On Market
Calcium & Magnesium Softgels
NOW
17 ingredients · Other Combinations
On Market
Calcium & Magnesium Softgels
NOW
11 ingredients · Other Combinations
On Market
Calcium & Magnesium With Potassium, Zinc, Manganese Plus D
Natural Factors
9 ingredients · Other Combinations
On Market
Calcium & Magnesium with Vitamin D
Kirkman
6 ingredients · Other Combinations
On Market
Calcium & Vitamin D3 Citrus Flavored
Nature's Way
23 ingredients · Other Combinations
On Market
Calcium & Vitamin D3 plus Minerals
Meijer
18 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Calcium (Citrate) Plus Magnesium
Doctor's A-Z
5 ingredients · Mineral
On Market
Calcium (MCHA) with Magnesium
Pure Encapsulations
5 ingredients · Mineral
On Market
Calcium + Magnesium
PureFormulas
13 ingredients · Other Combinations
On Market
Calcium 1,000 mg Magnesium 400 mg
Health Thru Nutrition Naturally
17 ingredients · Botanical with Nutrients
On Market
Calcium 1,000 mg Magnesium 400 mg
Health Thru Nutrition Naturally
17 ingredients · Botanical with Nutrients
On Market
Calcium 1,000 mg Magnesium 500 mg Complex
Country Life Target-Mins
8 ingredients · Mineral
On Market
Calcium 1,000 mg Magnesium 500 mg Complex
Country Life Target-Mins
8 ingredients · Mineral
On Market
Calcium 1,000 mg Magnesium 500 mg Complex
Country Life Target-Mins
8 ingredients · Mineral
On Market
Calcium 1,000 mg Magnesium 500 mg with Vitamin D 10 mcg (400 I.U.) Complex
Country Life Target-Mins
9 ingredients · Other Combinations
On 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
On Market
Calcium 1,000 mg Magnesium 500 mg Zinc 25 mg with Vitamin D
Country Life Target-Mins
11 ingredients · Other Combinations
On Market
Calcium 1,000 mg Magnesium 500 mg Zinc 25 mg with Vitamin D
Country Life Target-Mins
12 ingredients · Other Combinations
On Market
Calcium 1,000 mg Magnesium 500 mg Zinc 50 mg with L-Glutamic Acid
Country Life
9 ingredients · Other Combinations
On Market
Calcium 1500 mg Plus Vitamin D3 25 mcg (1000 IU)
Puritan's Pride
10 ingredients · Other Combinations
On Market
Calcium 250 mg
Highland Laboratories
5 ingredients · Mineral
On Market
Calcium 400 mg & Magnesium 200 mg
Simply Supplements
7 ingredients · Mineral
On Market
Calcium 500 mg
GNC Select
15 ingredients · Mineral
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.