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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

Joint Decision
Life Priority
4 ingredients · Non-Nutrient/Non-Botanical
On Market
Joint Decision
Life Priority
4 ingredients · Non-Nutrient/Non-Botanical
On Market
Joint E/S 900
DC
10 ingredients · Other Combinations
On Market
Joint Ease 2.0
Vital Nutrients
9 ingredients · Other Combinations
On Market
Joint Formula
Pomology
7 ingredients · Other Combinations
On Market
Joint Formula
Parrillo Performance
30 ingredients · Other Combinations
On Market
Joint Formula French Vanilla Flavor
Greens Today
109 ingredients · Other Combinations
On Market
Joint Health & Bone Strength
Haleon
21 ingredients · Other Combinations
On Market
Joint Health Complex +
Harmonia
10 ingredients · Other Combinations
On Market
Joint Health Essentials
SeniorLife Health
16 ingredients · Other Combinations
On Market
Joint Health First
Greens First
13 ingredients · Other Combinations
On Market
Joint Health Formula plus Vitamin D
Puritan's Pride
7 ingredients · Other Combinations
On Market
Joint Health Pack
Douglas Laboratories
40 ingredients · Other Combinations
On Market
Joint Health Support With Glucosamine And MSM
Martin Avenue Pharmacy
20 ingredients · Other Combinations
On Market
Joint Health Tangerine
Emergen-C
36 ingredients · Other Combinations
On Market
Joint Mobility Factors
MH Michael's Health Naturopathic Programs
31 ingredients · Other Combinations
On Market
Joint Obstruction Teapills
Plum Flower
16 ingredients · Botanical
On Market
Joint Recovery
Lifestyle Fitness & Nutrition
28 ingredients · Other Combinations
On Market
Joint Relief Complex II
Healthy Choice Naturals
16 ingredients · Other Combinations
On Market
Joint Replete
NuMedica
11 ingredients · Other Combinations
On Market
Joint Support
Meijer Naturals
21 ingredients · Other Combinations
On Market
Joint Support
Pathway To Healing
12 ingredients · Other Combinations
On Market
Joint Support
Foster Regal
10 ingredients · Other Combinations
On Market
Joint Support
Dr. Tobias
9 ingredients · Non-Nutrient/Non-Botanical
On Market
Joint Support
Altrum
18 ingredients · Other Combinations
On Market
Joint Support
NOW
18 ingredients · Other Combinations
On Market
Joint Support Complete
Power Blendz Nutrition
6 ingredients · Non-Nutrient/Non-Botanical
On Market
Joint Support Complex
GNC Select
27 ingredients · Other Combinations
On Market
Jointprin +BioPerine
Approved Science
22 ingredients · Other Combinations
On Market
Joker Extreme Pre-Workout Mango
Terror Labz
30 ingredients · Other Combinations
On Market
Jump-Start Energy Blend Citrus Punch Flavor
BodyMelt
29 ingredients · Other Combinations
On Market
Junior D3 & K2 Peach Apricot Flavor
Advanced Nutrition by Zahler
10 ingredients · Vitamin
On Market
Juniper Berries
Nature's Way
5 ingredients · Botanical
On Market
Jurassic Elderberry Natural Grape Flavor
KAL Dinosaurs
19 ingredients · Botanical with Nutrients
On Market
Just 4 Kidz Probiotic-14 Natural Berry Flavor
Nature's Truth
28 ingredients · Non-Nutrient/Non-Botanical
On Market
Just Relax Cherry
Pure TheraPro Rx
10 ingredients · Other Combinations
On Market
Just Relax Watermelon
Pure TheraPro Rx
10 ingredients · Other Combinations
On Market
K Alkaline + Mg
Moss Nutrition
6 ingredients · Mineral
On Market
K Alkaline + Mg Powder
Moss Nutrition
3 ingredients · Mineral
On Market
K-2 MK-7 Raspberry
KAL
12 ingredients · Vitamin
On Market
K-Mag Aspartate
Source Naturals
9 ingredients · Mineral
On Market
K/Mg Aspartate
Karuna
6 ingredients · Other Combinations
On Market
K1 Keto Life Keto Max
Justified Laboratories
10 ingredients · Other Combinations
On Market
K2 120 mcg + D3 5,000 IU
Safrel
5 ingredients · Vitamin
On Market
K2 MK-7 100 mcg
21st Century
7 ingredients · Vitamin
On Market
Kalium Iodine
Amvilab
10 ingredients · Mineral
On Market
KalmAssure Magnesium Capsules 420 mg
NaturesPlus
5 ingredients · Mineral
On Market
KalmAssure Magnesium Capsules 420 mg
NaturesPlus
5 ingredients · Mineral
On Market
KalmAssure Magnesium Powder 400 mg Unflavored
Nature's Plus
5 ingredients · Mineral
On Market
KalmAssure Magnesium Powder 420 mg Refreshing Orange
NaturesPlus
11 ingredients · Mineral
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.