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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

Ultramyosyn Whey Isolate Creamy Vanilla
MET-Rx
27 ingredients · Amino acid/Protein
On Market
Ultramyosyn Whey Isolate Creamy Vanilla
MET-Rx
27 ingredients · Amino acid/Protein
On Market
Ultramyosyn Whey Peanut Butter Cup
MET-Rx
29 ingredients · Amino acid/Protein
On Market
Ultramyosyn Whey Peanut Butter Cup
MET-Rx
29 ingredients · Amino acid/Protein
On Market
UMP Angel Food Cake
Beverly International
39 ingredients · Other Combinations
On Market
UMP Chocolate
Beverly International
38 ingredients · Other Combinations
On Market
UMP Cookies & Creme
Beverly International
53 ingredients · Other Combinations
On Market
UMP Graham Cracker
Beverly International
39 ingredients · Other Combinations
On Market
UMP Rocky Road
Beverly International
38 ingredients · Other Combinations
On Market
UMP Strawberry
Beverly International
41 ingredients · Other Combinations
On Market
Una de Gato (Cat's Claw)
Energique
4 ingredients · Botanical
On Market
Unforgettables
Vitality For Life
15 ingredients · Botanical with Nutrients
On Market
Unipro's Pefect Protein Chocolate Flavor
Unipro
16 ingredients · Amino acid/Protein
On Market
UNIQUE C 1,000 mg (1 g)
A.C. Grace Company
8 ingredients · Vitamin
On Market
Universal Amino 2700
Universal
27 ingredients · Amino acid/Protein
On Market
Universal Benefit Teapills Pu Ji Xiao Du Wan
Plum Flower
19 ingredients · Other Combinations
On Market
Upper Chamber Teapills
Plum Flower
9 ingredients · Botanical
On Market
Urgent Cell Repair
PhytAge Labs
37 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Uric Acid Advanced Formula
PureMax Labs YummyVite
17 ingredients · Other Combinations
On Market
Uric Acid Cleanse
Best Naturals
16 ingredients · Botanical with Nutrients
On Market
Uric Acid Cleanse
dr.bo
17 ingredients · Other Combinations
On Market
Uric Acid Formula
Nature's Craft
17 ingredients · Other Combinations
On Market
Uric Acid Support
NutriONN
17 ingredients · Other Combinations
On Market
Uric Acid Support
Alerna Kidney Health
35 ingredients · Other Combinations
On Market
Uric Acid Support
Number One Nutrition
17 ingredients · Other Combinations
On Market
Uridine 300 mg
AN Amazing Nutrition Amazing Formulas
4 ingredients · Non-Nutrient/Non-Botanical
On Market
Urinary Mainenance
Nature's Sunshine
15 ingredients · Botanical with Nutrients
On Market
Urinary Maintenance
Nature's Sunshine
15 ingredients · Botanical with Nutrients
On Market
Urinary System
Nature's Sunshine
44 ingredients · Botanical with Nutrients
On Market
Urinary Tract Essentials
Swanson
11 ingredients · Other Combinations
On Market
Urinary Tract Health
RepHresh
9 ingredients · Botanical with Nutrients
On Market
Urinary Tract Support
Bluebonnet Targeted Choice
10 ingredients · Botanical with Nutrients
On Market
Urinary Tract Support
Bluebonnet Targeted Choice
10 ingredients · Botanical with Nutrients
On Market
UT Cleanse Powder
AOR Advanced Orthomolecular Research Advanced
5 ingredients · Botanical with Nutrients
On Market
V.M.T. Extra Strength
Viva Vitamins
38 ingredients · Other Combinations
On Market
V.M.T. Regular Strength
Viva Vitamins
37 ingredients · Other Combinations
On Market
Valerian Easy Sleep
Planetary Herbals
11 ingredients · Botanical with Nutrients
On Market
Valerian Root
Nature's Harmony
9 ingredients · Botanical
On Market
Valerian Root
Nature's Way
7 ingredients · Botanical with Nutrients
On Market
Valerian Root 1,200 mg
Nature's Truth
6 ingredients · Botanical
On Market
Valerian Root 1,200 mg
Rite Aid
6 ingredients · Botanical
On Market
Valerian Root 1,590 mg
Nature's Way
7 ingredients · Botanical
On Market
Valerian Root 1,590 mg
Nature's Way
7 ingredients · Botanical
On Market
Valerian Root 1000 mg
Sunshine Naturals
4 ingredients · Botanical
On Market
Valerian Root 1200 mg
Futurebiotics
6 ingredients · Botanical
On Market
Valerian Root 125 mg
VitaCeutical Labs
8 ingredients · Botanical with Nutrients
On Market
Valerian Root 125 mg
Vitamer Laboratories
6 ingredients · Botanical with Nutrients
On Market
Valerian Root 265 mg
Puritan's Pride
5 ingredients · Botanical
On Market
Valerian Root 500 mg
Pure Naturals Herbs
5 ingredients · Botanical
On Market
Valerian Root 5000 mg + BioPerine
NusaPure
6 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.