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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

Bupleurum Dragonbone Oyster Shell Teapills
Plum Flower
16 ingredients · Other Combinations
On Market
Bupleurum Shu Gan Teapills
Plum Flower
12 ingredients · Botanical
On Market
Burdock Root 425 mg
Pure Naturals Herbs
3 ingredients · Botanical
On Market
Burdock Root 860 mg
Nature's Way
4 ingredients · Botanical
On Market
Burn 60 Thermogenic Formula
GNC Total Lean
28 ingredients · Other Combinations
On Market
Burn 60 Thermogenic Formula
GNC Total Lean
29 ingredients · Other Combinations
On Market
Burn XT Black
Jacked Factory
13 ingredients · Other Combinations
On Market
Butcher's Broom 500 mg
Source Naturals
9 ingredients · Botanical with Nutrients
On Market
Butcher's Broom Root 720 mg
Nature's Way
4 ingredients · Botanical
On Market
Butcher's Broom Root 720 mg
Nature's Way
4 ingredients · Botanical
On Market
Butterbur 100 mg
NusaPure
5 ingredients · Botanical
On Market
Butterbur Extra
Vitanica
8 ingredients · Botanical with Nutrients
On Market
Butyric-Cal-Mag
Biotics Research Corporation
12 ingredients · Other Combinations
On Market
C 1,000 mg plus Bioflavonoids & Wild Rose Hips
Nature's Truth
6 ingredients · Other Combinations
On Market
C 1,000 mg plus Wild Rose Hips
Nature's Truth
8 ingredients · Botanical with Nutrients
On Market
C 1000 mg with Rose Hips
Spring Valley
16 ingredients · Botanical with Nutrients
On Market
C 1000 mg with Rose Hips
21st Century
13 ingredients · Botanical with Nutrients
On Market
C 1000 with Rose Hips
Windmill Natural Vitamins
12 ingredients · Botanical with Nutrients
On Market
C 500 Ascorbic Acid
Windmill
6 ingredients · Vitamin
On Market
C 500 mg & E 250 IU
Wonder Laboratories
9 ingredients · Botanical with Nutrients
On Market
C 500 mg & E 250 IU
Wonder Laboratories
9 ingredients · Botanical with Nutrients
On Market
C 500 mg Orange Citrus
EZ Melts
8 ingredients · Vitamin
On Market
C 500 mg plus Bioflavonoids & Wild Rose Hips
Nature's Truth
9 ingredients · Other Combinations
On Market
C 500 mg plus Wild Rose Hips
Nature's Truth
8 ingredients · Botanical with Nutrients
On Market
C 500 mg with Rose Hips
Nature Made
8 ingredients · Vitamin
On Market
C 500 mg with Rose Hips
21st Century
14 ingredients · Botanical with Nutrients
On Market
C Caps 1,000 mg
VitalBulk
3 ingredients · Vitamin
On Market
C-1000 Caps With Bioflavonoids & Rutin
Protocol For Life Balance
7 ingredients · Other Combinations
On Market
C-1000 Complex
The Vitamin Shoppe
7 ingredients · Botanical with Nutrients
On Market
C-1000 mg & Bioflavonoids
Bluebonnet
10 ingredients · Other Combinations
On Market
C-1000 mg & Bioflavonoids
Bluebonnet
10 ingredients · Other Combinations
On Market
C-1000 Mineral Ascorbates
NOW
15 ingredients · Other Combinations
On Market
C-1000 with 100 mg of Bioflavonoids
NOW
7 ingredients · Other Combinations
On Market
C-1000 with 100 mg of Bioflavonoids
NOW
7 ingredients · Other Combinations
On Market
C-1000 with 100 mg of Bioflavonoids
NOW
7 ingredients · Other Combinations
On Market
C-1000 With 100 mg Of Bioflavonoids
NOW
7 ingredients · Other Combinations
On Market
C-1000 with Rose Hips
LuckyVitamin
5 ingredients · Botanical with Nutrients
On Market
C-1000 with Rose Hips & Bioflavonoids
NOW
6 ingredients · Other Combinations
On Market
C-1000 with Rose Hips & Bioflavonoids
NOW
6 ingredients · Other Combinations
On Market
C-500 Chewable Orange-Flavored
DC
14 ingredients · Vitamin
On Market
C-500 Chewable Orange-Flavored
DC
14 ingredients · Vitamin
On Market
C-500 Chewable Orange-Flavored
DC
14 ingredients · Vitamin
On Market
C-500 Chewable Orange-Flavored
DC
15 ingredients · Vitamin
On Market
C-500 Chewable Orange-Flavored
DC
14 ingredients · Vitamin
On Market
C-500 mg Timed Release
Puritan's Pride
10 ingredients · Other Combinations
On Market
C-500 mg with Bioflavonoids and Wild Rose Hips
Puritan's Pride
7 ingredients · Other Combinations
On Market
C-500 with Esterfied C
Windmill
8 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
C-500 with Rose Hips
Source Naturals
8 ingredients · Botanical with Nutrients
On Market
C-500 with Rose Hips
Source Naturals
8 ingredients · Botanical with Nutrients
On Market
C-500 with Rose Hips
Source Naturals
8 ingredients · Botanical with Nutrients
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.