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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

Biotin 15,000 mcg
AN Amazing Nutrition Amazing Formulas
5 ingredients · Vitamin
On Market
Biotin 15,000 mcg
AN Amazing Nutrition Amazing Formulas
7 ingredients · Vitamin
On Market
Biotin 2,500 mcg
Nature's Life
4 ingredients · Vitamin
On Market
Biotin 300 mcg
Windmill
7 ingredients · Vitamin
On Market
Biotin 5,000 mcg
The Vitamin Shoppe
5 ingredients · Vitamin
On Market
Biotin 5,000 mcg
Finest Nutrition
6 ingredients · Vitamin
On Market
Biotin 5,000 mcg
Source Naturals
4 ingredients · Vitamin
On Market
Biotin 5,000 mcg
AN Amazing Nutrition Amazing Formulas
7 ingredients · Vitamin
On Market
Biotin 5,000 mcg
AN Amazing Nutrition Amazing Formulas
5 ingredients · Vitamin
On Market
Biotin 5,000 mcg
AN Amazing Nutrition Amazing Formulas
7 ingredients · Vitamin
On Market
Biotin 5,000 mcg
Woodstock Vitamins
5 ingredients · Vitamin
On Market
Biotin 5,000 mcg
Woodstock Vitamins
5 ingredients · Vitamin
On Market
Biotin 5,000 mcg
Source Naturals
4 ingredients · Vitamin
On Market
Biotin 5,000 mcg
VitaScript
4 ingredients · Vitamin
On Market
Biotin 5,000 mcg
AN Amazing Nutrition Amazing Formulas
5 ingredients · Vitamin
On Market
Biotin 5,000 mcg
AN Amazing Nutrition Amazing Formulas
5 ingredients · Vitamin
On Market
Biotin 5,000 mcg
Bariatric Advantage
5 ingredients · Vitamin
On Market
Biotin 5,000 mcg
Futurebiotics
7 ingredients · Vitamin
On Market
Biotin 5,000 mcg
Celebrate
4 ingredients · Vitamin
On Market
Biotin 5,000 mcg
Carlson
5 ingredients · Vitamin
On Market
Biotin 5,000 mcg Fast Dissolve Strawberry
Natrol
14 ingredients · Vitamin
On Market
Biotin 5,000 mcg Fast Dissolve Strawberry Natural Flavor
Natrol
13 ingredients · Vitamin
On Market
Biotin 5,000 mcg Strawberry
Natrol
13 ingredients · Vitamin
On Market
Biotin 5,000 mcg Strawberry Burst
EZ Melts
10 ingredients · Vitamin
On Market
Biotin 500 mcg
VitaCeutical Labs
5 ingredients · Vitamin
On Market
Biotin 500 mcg
Village Vitality
5 ingredients · Vitamin
On Market
Biotin 500 mcg
Country Life
6 ingredients · Vitamin
On Market
Biotin 500 mcg
Woodstock Vitamins
5 ingredients · Vitamin
On Market
Biotin 5000 mcg
The Vitamin Shoppe
5 ingredients · Vitamin
On Market
Biotin 5000 mcg
The Vitamin Shoppe
5 ingredients · Vitamin
On Market
Biotin 5000 mcg
Solimo
7 ingredients · Vitamin
On Market
Biotin 5000 mcg
Bronson Basics
7 ingredients · Vitamin
On Market
Biotin 5000 mcg
up&up
7 ingredients · Vitamin
On Market
Biotin 5000 mcg
Bluebonnet
5 ingredients · Vitamin
On Market
Biotin 5000 mcg
Bluebonnet
5 ingredients · Vitamin
On Market
Biotin 5000 mcg Mixed Berry
Natural Grocers by Vitamin Cottage
10 ingredients · Vitamin
On Market
Biotin 5000 mcg Timed Release
Solaray
6 ingredients · Vitamin
On Market
Biotin 600 mcg
Source Naturals
4 ingredients · Vitamin
On Market
Biotin 600 mcg
Source Naturals
4 ingredients · Vitamin
On Market
Biotin Boost 10,000 mcg
Rise-N-Shine
6 ingredients · Vitamin
On Market
Biotin HSN 8000 mcg
PureFormulas
4 ingredients · Vitamin
On Market
Biotin made with Coconut Oil 10,000 mcg
AN Amazing Nutrition Amazing Formulas
6 ingredients · Vitamin
On Market
Biotin MD 10,000 mcg
Approved Science
7 ingredients · Vitamin
On Market
Biotin Natural Strawberry Flavor
BariMelts
11 ingredients · Vitamin
On Market
Biotin Premium
Premium Certified
7 ingredients · Vitamin
On Market
Biotin Vitamin 10,000 mcg
Portions Master
6 ingredients · Vitamin
On Market
BioTrust Low Carb Vanilla Cream
BioTrust
23 ingredients · Amino acid/Protein
On Market
Bite-A-Mins Children's Chewable Vitamins
Windmill
22 ingredients · Vitamin
On Market
Bite-A-Mins With Iron Children's Chewable Vitamin
Windmill
22 ingredients · Other Combinations
On Market
Bitter Melon 1,000 mg
Herbal Secrets
5 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.