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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

Glucosamine, Chondroitin & MSM
Natrol
13 ingredients · Other Combinations
On Market
Glucosamine, Chondroitin & MSM
Swanson
9 ingredients · Non-Nutrient/Non-Botanical
On Market
Glucosamine, Chondroitin & MSM with Mobilee
Swanson
9 ingredients · Other Combinations
On Market
Glucosamine, Chondroitin, MSM plus Hyaluronic Acid
California Gold Nutrition
6 ingredients · Non-Nutrient/Non-Botanical
On Market
Glucosamine, Chondroitin, MSM plus Hyaluronic Acid
California Gold Nutrition
6 ingredients · Non-Nutrient/Non-Botanical
On Market
Glucosamine, Hyaluronic Acid & MSM
Natrol
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Glucosamine/Chondroitin/MSM
Vitabase
9 ingredients · Other Combinations
On Market
Glucose Balance
NeoLife Nutritionals
16 ingredients · Other Combinations
On Market
Glucose Balance
Protocol For Life Balance
13 ingredients · Other Combinations
On Market
Glucose Control Support With Gymnema Sylvestre
Martin Avenue Pharmacy
10 ingredients · Other Combinations
On Market
Glucose Essentials
Dr. Whitaker
10 ingredients · Botanical with Nutrients
On Market
Glucose Essentials
Whitaker Nutrition
13 ingredients · Botanical with Nutrients
On Market
Glucose Essentials
Whitaker Nutrition
13 ingredients · Botanical with Nutrients
On Market
Glucose Essentials
Whitaker Nutrition
13 ingredients · Botanical with Nutrients
On Market
Glucose Health
Nutrilite
10 ingredients · Botanical with Nutrients
On Market
Glucose Health
Nutrilite
12 ingredients · Botanical with Nutrients
On Market
Glucose Health
Nutrilite
12 ingredients · Botanical with Nutrients
On Market
Glucose Metabolic Support
NOW
13 ingredients · Other Combinations
On Market
Glucose Optimizer
Jarrow Formulas
31 ingredients · Other Combinations
On Market
Glucose Regulation Complex
Shaklee
11 ingredients · Other Combinations
On Market
Glucose Rx Depletion
Martin Avenue Pharmacy
14 ingredients · Other Combinations
On Market
Glucose Support
Viva Vitamins
22 ingredients · Other Combinations
On Market
Glucose Support
Vitabase
29 ingredients · Other Combinations
On Market
Glucose Support
Meijer Naturals
20 ingredients · Other Combinations
On Market
Glucose Support
dr.bo
25 ingredients · Other Combinations
On Market
Glucose Support Formula
Real Health Products
16 ingredients · Botanical with Nutrients
On Market
Glucose Support Formula
Real Health Products
19 ingredients · Botanical with Nutrients
On Market
Glucotrust Max
Justified Laboratories
28 ingredients · Other Combinations
On Market
Gluta-Lyn 1500
Sci-Fit
5 ingredients · Amino acid/Protein
On Market
Glutamine 10000
Body Attack Sports Nutrition
9 ingredients · Amino acid/Protein
On Market
Glutamine 3400 mg
Vital Nutrients
4 ingredients · Amino acid/Protein
On Market
Glutamine Caps 1 Gram
Optimum Nutrition
3 ingredients · Amino acid/Protein
On Market
Glutamine1000
Evlution Nutrition
5 ingredients · Amino acid/Protein
On Market
Glutamine1000
Evlution Nutrition
5 ingredients · Amino acid/Protein
On Market
Glutathione +BioPerine
Approved Science
12 ingredients · Other Combinations
On Market
Glutathione 500 mg
Nutricost
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Glutathione 500 mg
NOW
8 ingredients · Other Combinations
On Market
Glutathione 500 mg
NOW
8 ingredients · Other Combinations
On Market
Glutathione 500 mg
Protocol For Life Balance
8 ingredients · Other Combinations
On Market
Glutathione 500 mg
Biotech Nutritions
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Glutathione 500 mg
GNC
7 ingredients · Non-Nutrient/Non-Botanical
On Market
Glutathione Booster
Carlson
18 ingredients · Other Combinations
On Market
Glutathione Precursor Complex
Swanson
13 ingredients · Other Combinations
On Market
Glutathione Reduced 250 mg
Best Naturals
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Glutathione Reduced 500 mg
Jarrow Formulas
6 ingredients · Non-Nutrient/Non-Botanical
On Market
Glutathione Reduced 500 mg
Jarrow Formulas
6 ingredients · Non-Nutrient/Non-Botanical
On Market
Glutathione-SR
Thorne
7 ingredients · Non-Nutrient/Non-Botanical
On Market
Glutenzyme Plus
BioCare
10 ingredients · Non-Nutrient/Non-Botanical
On Market
GlutnGo with Tolerase G
Bricker Labs
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Glycemic Factors
Country Life
25 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.