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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

Ultimate Prostate Formula
Divine Health
12 ingredients · Other Combinations
On Market
Ultimate Protein System Vanilla
BioChem Sports
34 ingredients · Amino acid/Protein
On Market
Ultimate Protein System Vanilla
BioChem Sports
34 ingredients · Amino acid/Protein
On Market
Ultimate R-Andro
Hard Rock Supplements
6 ingredients · Other Combinations
On Market
Ultimate Raspberry Ketone
Phytogenix Laboratories
14 ingredients · Other Combinations
On Market
Ultimate Respiratory Defense
Swanson
6 ingredients · Non-Nutrient/Non-Botanical
On Market
Ultimate Selenium
Youngevity
18 ingredients · Botanical with Nutrients
On Market
Ultimate Sleep Formula
Harmonia
12 ingredients · Other Combinations
On Market
Ultimate Soy-Spirulina Protein Powder Natural Chocolate Flavor
Vitamer Laboratories
54 ingredients · Other Combinations
On Market
Ultimate Strength Raspberry Ketone Super Flush
New Health Corp.
9 ingredients · Other Combinations
On Market
Ultimate Vegetarian Multi
Vitamer Laboratories
38 ingredients · Other Combinations
On Market
Ultimate Vita-Min
Professional Botanicals
66 ingredients · Other Combinations
On Market
Ultimate Whey Protein Isolate
ProCaps Laboratories
15 ingredients · Amino acid/Protein
On Market
Ultimate Whey Protein Isolate Unflavored
ProCaps
15 ingredients · Amino acid/Protein
On Market
Ultimate Woman Calcium Plus
The Vitamin Shoppe
13 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Ultimate Woman Calcium Plus Magnesium, Vitamin D & K2
The Vitamin Shoppe
13 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Ultimate Women's A Thru Z Select
Walgreens
31 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Ultimate Women's Intimate Performance
Swanson
22 ingredients · Other Combinations
On Market
Ultimate-Plus
Ultra Plan
42 ingredients · Other Combinations
On Market
Ultra 5-HTP Formula
Douglas Laboratories
22 ingredients · Other Combinations
On Market
Ultra Acid-Base Balance
AB American Biologics
8 ingredients · Mineral
On Market
Ultra Advance
Jalz Products
33 ingredients · Other Combinations
On Market
Ultra Apple Cider Vinegar
Nature's Blend
6 ingredients · Botanical
On Market
Ultra B12 Methylcobalamin 10,000 mcg Raspberry
Natural Grocers by Vitamin Cottage
10 ingredients · Vitamin
On Market
Ultra Biotin 7500 mcg
Puritan's Pride Premium
5 ingredients · Vitamin
On Market
Ultra Cardio Multivitamin Iron Free
Douglas Laboratories
21 ingredients · Other Combinations
On Market
Ultra Cardio Support Pack
Douglas Laboratories
81 ingredients · Other Combinations
On Market
Ultra Cardio Support Pack
Douglas Laboratories
84 ingredients · Other Combinations
On Market
Ultra Catabolic
Douglas Laboratories
24 ingredients · Other Combinations
On Market
Ultra Chewable Cranberry
Nature's Plus
13 ingredients · Botanical with Nutrients
On Market
Ultra Chewable Cranberry
Nature's Plus
12 ingredients · Botanical with Nutrients
On Market
Ultra Chromium Picolinate 1,000 mcg
Nature's Truth
7 ingredients · Mineral
On Market
Ultra Chromium Picolinate 500
Source Naturals
5 ingredients · Mineral
On Market
Ultra Chromium Picolinate 500 500 mcg
Source Naturals
5 ingredients · Mineral
On Market
Ultra Circulation Plus
Nora Ross
17 ingredients · Botanical
On Market
Ultra Cleansing AM Formula
Vitabase
17 ingredients · Botanical with Nutrients
On Market
Ultra Cleansing PM Formula
Vitabase
15 ingredients · Botanical
On Market
Ultra Collagen + Boron
Schiff Move Free Joint Health
18 ingredients · Other Combinations
On Market
Ultra Concentrate Garcinia
Pro-Nutra
8 ingredients · Botanical
On Market
Ultra Concentrated Garcinia
Pro-Nutra
9 ingredients · Botanical
On Market
Ultra Cordyceps 750 mg
Doctor's Best
4 ingredients · Non-Nutrient/Non-Botanical
On Market
Ultra Cranberry 1000
Nature's Plus
13 ingredients · Botanical with Nutrients
On Market
Ultra Cranberry 1000 mg
Nature's Plus
14 ingredients · Botanical with Nutrients
On Market
Ultra Cranberry 1000mg
Nature's Plus
14 ingredients · Botanical with Nutrients
On Market
Ultra Dairy Support
Viva Vitamins
8 ingredients · Non-Nutrient/Non-Botanical
On Market
Ultra Energy Generator
GNC Mega Men
13 ingredients · Other Combinations
On Market
Ultra Fast Pure Keto Boost
Justified Laboratories
10 ingredients · Other Combinations
On Market
Ultra Fast Pure Keto Boost
Justified Laboratories
20 ingredients · Botanical with Nutrients
On Market
Ultra Flora IB
Metagenics
8 ingredients · Non-Nutrient/Non-Botanical
On Market
Ultra Fuel Fruit Punch
Twinlab
22 ingredients · Multi-Vitamin and Mineral (MVM)
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.