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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

Soy Isoflavones 750 mg
Best Naturals
16 ingredients · Non-Nutrient/Non-Botanical
On Market
Soy Isoflavones 750 mg
Swanson
5 ingredients · Botanical
On Market
Soy Isoflavones Standardized Extract 1000 mg
Martin Avenue Pharmacy
6 ingredients · Botanical
On Market
Soy Protein Isolate Powder Unflavored
Vitamin World
26 ingredients · Amino acid/Protein
On Market
Soy Protein Vanilla Isoflavone Powder
Martin Avenue Pharmacy
25 ingredients · Amino acid/Protein
On Market
Soy-Free Phosphatidyl Serine 150 mg
NOW
9 ingredients · Other Combinations
On Market
SP Detox Balance
SP Standard Process
51 ingredients · Other Combinations
On Market
Spanish Bee Pollen 1000 gm
Nature's Plus
8 ingredients · Botanical
On Market
Special Two Multi Vitamin
Baar Nature's Blessing
47 ingredients · Other Combinations
On Market
Spectra Infinite Nutrition
DaVinci Laboratories
123 ingredients · Other Combinations
On Market
Spectra Without Copper And Iron
DaVinci Laboratories Of Vermont
67 ingredients · Other Combinations
On Market
Spectra Woman
DaVinci Laboratories
60 ingredients · Other Combinations
On Market
Spectra Woman
DaVinci Laboratories
60 ingredients · Other Combinations
On Market
Spectra Woman
DaVinci Laboratories
60 ingredients · Other Combinations
On Market
Spectramin Chelate
Douglas Laboratories
19 ingredients · Mineral
On Market
Spectravite Adult
CVS Pharmacy
34 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
SpectraVite Adult
CVS Health
62 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Spectravite Advanced Formula
CVS Pharmacy
41 ingredients · Other Combinations
On Market
Spectravite Ultra Men's Health
CVS Pharmacy
36 ingredients · Other Combinations
On Market
Spectravite Ultra Men's Health
CVS Pharmacy
36 ingredients · Other Combinations
On Market
Spectravite Ultra Men's Health Senior
CVS Pharmacy
38 ingredients · Other Combinations
On Market
Spectravite Ultra Women's Health Senior
CVS Pharmacy
34 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
SpectraZyme Gluten Digest
Metagenics
6 ingredients · Non-Nutrient/Non-Botanical
On Market
SpectraZyme Metagest
Metagenics
10 ingredients · Non-Nutrient/Non-Botanical
On Market
Spectrum Awakening
Metabolic Maintenance
11 ingredients · Other Combinations
On Market
Spectrum Complete II
Kirkman
33 ingredients · Other Combinations
On Market
Spectrum Complete II Powder Flavored
Kirkman
62 ingredients · Other Combinations
On Market
Spectrum Support Minerals
Brainchild Nutritionals
18 ingredients · Other Combinations
On Market
Spectrum Support Minerals Part B
Brainchild Nutritionals
20 ingredients · Other Combinations
On Market
Spectrum Support Ultra Sensitive Minerals
Brainchild Nutritionals
16 ingredients · Mineral
On Market
Spectrumzyme Capsule
BioCare
10 ingredients · Non-Nutrient/Non-Botanical
On Market
SpeedyMelts B12 1000 mcg Black Cherry
Bariatric Advantage
10 ingredients · Vitamin
On Market
SpeedyMelts B12 1000 mcg Black Cherry
Bariatric Advantage
10 ingredients · Vitamin
On Market
SpeedyMelts B12 1000 mcg Black Cherry
Bariatric Advantage
10 ingredients · Vitamin
On Market
SpeedyMelts B12 1000 mcg Peppermint
Bariatric Advantage
10 ingredients · Vitamin
On Market
SpeedyMelts B12 1000 mcg Peppermint
Bariatric Advantage
10 ingredients · Vitamin
On Market
Spermidine 5 mg
Dr. Emil Nutrition
6 ingredients · Other Combinations
On Market
Spiru-Pro Soy Protein Drink With Spirulina Natural Chocolate
Vitamin World
46 ingredients · Other Combinations
On Market
Spiru-Pro Soy Protein Drink With Spirulina Natural Vanilla
Vitamin World
45 ingredients · Other Combinations
On Market
Spiru-Tein High Protein Energy Meal Raspberry Royale
Nature's Plus
75 ingredients · Other Combinations
On Market
Spirulina 1500 mg
Evlution Nutrition
7 ingredients · Botanical
On Market
Spirulina 500 mg
Vitabase
6 ingredients · Non-Nutrient/Non-Botanical
On Market
Spirulina 500 mg
Amazing India
19 ingredients · Non-Nutrient/Non-Botanical
On Market
Spirulina 500 mg
Meijer
7 ingredients · Non-Nutrient/Non-Botanical
On Market
Spirulina 500 mg
Swanson
10 ingredients · Botanical with Nutrients
On Market
Spirulina 500 mg
Swanson
9 ingredients · Botanical
On Market
Spirulina Gold Plus
Earthrise
21 ingredients · Other Combinations
On Market
Spirulina Natural Blue Green Algae 500 mg
Martin Avenue Pharmacy
6 ingredients · Botanical
On Market
Spirulina Natural Powder
Earthrise
17 ingredients · Other Combinations
On Market
Spirulina Natural Powder
Earthrise
17 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.