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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

Grape Seed Extract
Bluebonnet
7 ingredients · Botanical
On Market
Grape Seed Extract
Bluebonnet
7 ingredients · Botanical
On Market
Grape Seed Extract
Bluebonnet
7 ingredients · Botanical
On Market
Grape Seed Extract
BRI Nutrition
6 ingredients · Botanical
On Market
Grape Seed Extract 100 mg
Source Naturals
8 ingredients · Botanical with Nutrients
On Market
Grape Seed Extract 100 mg
AN Amazing Nutrition Amazing Formulas
5 ingredients · Botanical
On Market
Grape Seed Extract 200 mg
Country Life
5 ingredients · Botanical
On Market
Grape Seed Extract 200 mg
Country Life
5 ingredients · Botanical
On Market
Grape Seed Extract 300 mg
Healthy Origins
4 ingredients · Botanical
On Market
Grape Seed Extract 400 mg
Bronson
5 ingredients · Botanical
On Market
Grape Seed Extract Plus
Flora
7 ingredients · Botanical
On Market
Grapefruit Diet-Forte 500 mg
Sunshine Naturals
9 ingredients · Botanical with Nutrients
On Market
Grapefruit Pectin 1000 mg
The Vitamin Shoppe
7 ingredients · Botanical
On Market
Grapefruit Pectin 1000 mg
The Vitamin Shoppe
7 ingredients · Botanical
On Market
Grapefruit Seed 500 mg
Bronson
6 ingredients · Botanical
On Market
Grapefruit Seed Extract
Nutricost
5 ingredients · Botanical
On Market
Grapefruit Seed Extract 125 mg
The Vitamin Shoppe
12 ingredients · Botanical
On Market
Grapefruit Seed Extract 125 mg
The Vitamin Shoppe
10 ingredients · Botanical with Nutrients
On Market
Grapefruit Seed Extract 500 mg
longlifenutri
4 ingredients · Botanical
On Market
Grapefruit Seed Extract 5000 mg
NusaPure
6 ingredients · Botanical
On Market
Grapeseed Extract 100 mg
Puritan's Pride
8 ingredients · Other Combinations
On Market
Grapeseed Extract 100 mg
Puritan's Pride
8 ingredients · Other Combinations
On Market
Grapeseed Extract 100 mg
Puritan's Pride
8 ingredients · Other Combinations
On Market
Grapeseed Extract 100 mg
Pure Naturals
4 ingredients · Botanical
On Market
Grapeseed Extract 400 mg
Herbal Secrets
5 ingredients · Botanical
On Market
Grass Fed Whey Protein Isolate Chocolate Milkshake
NutraBio
15 ingredients · Amino acid/Protein
On Market
Grass Fed Whey Protein Isolate Ice Cream Cookie Dream
NutraBio
14 ingredients · Amino acid/Protein
On Market
Grass Fed Whey Protein Isolate Matcha Latte
NutraBio
14 ingredients · Amino acid/Protein
On Market
Grass-Fed Beef Organs
Nature's Truth
10 ingredients · Non-Nutrient/Non-Botanical
On Market
Grass-fed Collagen Plus Natural Flavor
Biochem
16 ingredients · Amino acid/Protein
On Market
Grass-Fed Pure Whey Protein Chocolate Milkshake Flavor
PrimeGENIX
21 ingredients · Botanical with Nutrients
On Market
Grass-Fed Whey Protein Concentrate 25 g Milk Chocolate
Nutricost
23 ingredients · Other Combinations
On Market
Grass-Fed Whey Protein Isolate
BulkSupplements.com
14 ingredients · Amino acid/Protein
On Market
Grass-Fed Whey Protein Isolate
BulkSupplements.com
15 ingredients · Amino acid/Protein
On Market
Grass-Fed Whey Protein Isolate
BulkSupplements.com
15 ingredients · Amino acid/Protein
On Market
Grass-Fed Whey Protein Isolate
BulkSupplements.com
15 ingredients · Amino acid/Protein
On Market
Grass-Fed Whey Protein Isolate 30 g Unflavored
Nutricost
18 ingredients · Amino acid/Protein
On Market
Grass-Fed Whey Protein Isolate 30 g Unflavored
Nutricost
18 ingredients · Other Combinations
On Market
Grass-Fed Whey Protein Isolate 30 g Vanilla
Nutricost
22 ingredients · Amino acid/Protein
On Market
Grass-Fed Whey Protein Isolate Unflavored
Fortifeye
14 ingredients · Amino acid/Protein
On Market
Grass-Fed Whey Protein Strawberry
AN Amazing Nutrition Amazing Formulas
23 ingredients · Amino acid/Protein
On Market
Graviola 650 mg
Pure Naturals
4 ingredients · Botanical
On Market
Gray Hair Formula
Vitabase
18 ingredients · Other Combinations
On Market
Great Results Keto
Justified Laboratories
20 ingredients · Botanical with Nutrients
On Market
Great Yang Restoration Teapills
Plum Flower
12 ingredients · Other Combinations
On Market
Green Bee Propolis
NaturaNectar
6 ingredients · Other Combinations
On Market
Green Clean Herbal Cleanse Honey Tea Flavor
Detoxify
38 ingredients · Botanical with Nutrients
On Market
Green Coffee 400
The Vitamin Shoppe Next Step
9 ingredients · Botanical
On Market
Green Coffee 400+
The Vitamin Shoppe Next Step
10 ingredients · Botanical with Nutrients
On Market
Green Coffee Bean
Windmill Health Products
8 ingredients · Botanical
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.