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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

Ferrous Sulfate 325 mg
Pharbest
14 ingredients · Mineral
On Market
Ferrous Sulfate 325 mg
Pharbest
15 ingredients · Mineral
On Market
Ferrous Sulfate 325 mg
Nature's Blend
13 ingredients · Mineral
On Market
Ferrous Sulfate Enteric-Coated Tablet 325 mg
WP Westminster Pharmaceuticals
8 ingredients · Mineral
On Market
Ferrous Sulfate Enteric-Coated Tablets 324 mg
Nationwide Pharmaceutical
12 ingredients · Mineral
On Market
Ferrous Sulfate Tablets 325 mg
Qualitest
10 ingredients · Mineral
On Market
Ferrous Sulfate Tablets 325 mg
Qualitest
10 ingredients · Mineral
On Market
Fertile Fields Teapills
Plum Flower
15 ingredients · Botanical
On Market
Fertile One PC 600
Coast Science
37 ingredients · Other Combinations
On Market
Fertile One PCOS 600
Coast Science
38 ingredients · Other Combinations
On Market
Fertilisyl +BioPerine
Approved Science
29 ingredients · Other Combinations
On Market
FertilityBlend for Men
The Daily Wellness Company
16 ingredients · Other Combinations
On Market
FertilityBlend for Women
The Daily Wellness Company
18 ingredients · Botanical with Nutrients
On Market
Feverfew 1520 mg
NusaPure
5 ingredients · Botanical
On Market
Feverfew Extract
Source Naturals
10 ingredients · Botanical with Nutrients
On Market
FH PRObiotic for Men
Fairhaven Health
12 ingredients · Non-Nutrient/Non-Botanical
On Market
Fiber Choice Original Assorted Fruit
Fiber Choice
19 ingredients · Other Combinations
On Market
Fiber Choice Weight Management Strawberry
Fiber Choice
11 ingredients · Other Combinations
On Market
Fiber Formula
Integrative Therapeutics
15 ingredients · Botanical with Nutrients
On Market
Fiber Formula
Integrative Therapeutics
14 ingredients · Botanical with Nutrients
On Market
Fiber Formula
Integrative Therapeutics
14 ingredients · Botanical with Nutrients
On Market
Fiber Fusion Daily
Nature's Way
14 ingredients · Botanical with Nutrients
On Market
Fiber Plus Capsules
Ortho Molecular Products
15 ingredients · Botanical with Nutrients
On Market
Fiber Plus Capsules
Ortho Molecular Products
15 ingredients · Botanical with Nutrients
On Market
Fibroprin +BioPerine
Approved Science
12 ingredients · Other Combinations
On Market
FibroVera AHS
Arthur Andrew Medical
23 ingredients · Other Combinations
On Market
Field Of Greens
Vibrant Health
28 ingredients · Botanical with Nutrients
On Market
Field Of Greens
Vibrant Health
28 ingredients · Botanical with Nutrients
On Market
Field Of Greens
Vibrant Health
28 ingredients · Botanical with Nutrients
On Market
Field of Greens
Vibrant Health
28 ingredients · Botanical with Nutrients
On Market
Fifty Plus Formula
Simply Supplements
17 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Fifty Plus Formula
Simply Supplements
18 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Finz Carrot Cake
UMZU
14 ingredients · Botanical with Nutrients
On Market
First Elements
Earthpulse Nanotronic Technologies
6 ingredients · Mineral
On Market
Fisetin 100 mg
Swanson
4 ingredients · Non-Nutrient/Non-Botanical
On Market
FitAid Energy + Sports Recovery Mango Sorbet
FITAID
36 ingredients · Other Combinations
On Market
FitAid Energy + Sports Recovery Peach Mandarin
FITAID
36 ingredients · Other Combinations
On Market
FitAid Energy + Sports Recovery Raspberry Hibiscus
FITAID
36 ingredients · Other Combinations
On Market
FitAid Rx Zero Recover Sour Grape
FITAID
37 ingredients · Other Combinations
On Market
FitAid Sports Recovery Citrus Medley
FITAID
35 ingredients · Other Combinations
On Market
FitAid Sports Recovery Strawberry Lemonade
FITAID
35 ingredients · Other Combinations
On Market
FitAid Zero Sugar Sports Recovery Citrus Medley
FITAID
34 ingredients · Other Combinations
On Market
FITFood Lean Complete Dutch Chocolate
XYMOGEN
51 ingredients · Other Combinations
On Market
FITFood Lean Complete Dutch Chocolate Sugar- & Stevia-Free
XYMOGEN
47 ingredients · Other Combinations
On Market
FITFood Lean Complete French Vanilla
XYMOGEN
50 ingredients · Other Combinations
On Market
FITFood Lean Complete French Vanilla Sugar- & Stevia-Free
XYMOGEN
46 ingredients · Other Combinations
On Market
FITFood Lean Complete French Vanilla Sugar- & Stevia-Free
XYMOGEN
46 ingredients · Other Combinations
On Market
Five Calories 1000 mg Vitamin C Mandarin Orange
Emergen-C
34 ingredients · Other Combinations
On Market
Five Calories 1000 mg Vitamin C Peach-Passion Fruit
Emergen-C
37 ingredients · Other Combinations
On Market
Five Calories 1000 mg Vitamin C Strawberry-Kiwi
Emergen-C
35 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.