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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

Sleep+ Immune Extra Strength
Quantum Health
11 ingredients · Other Combinations
On Market
Sleep+ Immune Health
Natrol
11 ingredients · Other Combinations
On Market
Sleep+ Recovery
Natrol
12 ingredients · Other Combinations
On Market
Sleep-Ease With Valerian And Passiflora
Martin Avenue Pharmacy
6 ingredients · Botanical with Nutrients
On Market
Sleep-Matrix Melatonin
Cyto-Matrix
12 ingredients · Other Combinations
On Market
Sleepy Chocolate Sweet Slumber Blueberry Lavender Flavor
The Functional Chocolate Company
30 ingredients · Other Combinations
On Market
Slendesta Potato Protein Extract 15 mg
Doctor's A-Z
6 ingredients · Amino acid/Protein
On Market
Sliced 250 mg
BPI Sports
13 ingredients · Botanical
On Market
Slim Collagen Boost Chocolate Flavor
Sunwarrior Shape
41 ingredients · Other Combinations
On Market
Slim Collagen Boost Red Velvet Cupcake Flavor
Sunwarrior Shape
41 ingredients · Other Combinations
On Market
Slim Collagen Boost Vanilla Flavor
Sunwarrior Shape
41 ingredients · Other Combinations
On Market
Slim Fusion Keto
Justified Laboratories
20 ingredients · Botanical with Nutrients
On Market
Slimming Thermogenic Complex
Swanson
4 ingredients · Botanical
On Market
SlimTox Cleanser
NDS Nutrition
36 ingredients · Other Combinations
On Market
Slimvance Core Slimming Complex
BodyDynamix
9 ingredients · Botanical
On Market
Slippery Elm 1000 mg
Nutricost
4 ingredients · Botanical
On Market
Slippery Elm 400 mg
Nature's Harmony
5 ingredients · Botanical
On Market
Slippery Elm Bark
NusaPure
4 ingredients · Botanical
On Market
Slippery Elm Bark 1,600 mg
Nature's Way
7 ingredients · Botanical
On Market
Slippery Elm Lozenges 150 mg Unflavored
Planetary Herbals
5 ingredients · Botanical
On Market
Slippery Elm Lozenges 200 mg Tangerine Flavor
Planetary Herbals
10 ingredients · Botanical with Nutrients
On Market
Slippery Elm Lozenges Tangerine Flavor 150 mg
Planetary Herbals
9 ingredients · Botanical
On Market
SLO-NIACIN 500 mg
Upsher-Smith
7 ingredients · Vitamin
On Market
Slow Magnesium Chloride with Calcium
Geri-Care
17 ingredients · Mineral
On Market
Slow Motion Melatonin
Allergy Research Group
12 ingredients · Non-Nutrient/Non-Botanical
On Market
Slow Release Iron 45 mg
up&up
15 ingredients · Mineral
On Market
Slow Release Iron 45 mg
Nature's Truth
12 ingredients · Mineral
On Market
Slow Release Iron 45 mg
up&up
12 ingredients · Mineral
On Market
Slow-Mag Tablets
Purdue Products L.P.
23 ingredients · Mineral
On Market
Smoking Jitters
Signature Supplements
10 ingredients · Other Combinations
On Market
Snooze & Lose
Sleep Soundly
11 ingredients · Other Combinations
On Market
Sociable Garlic Deodorized Aged Garlic Extract
Bronson Laboratories
5 ingredients · Botanical
On Market
Sociable Garlic Deodorized Aged Garlic Extract
Bronson Laboratories
6 ingredients · Botanical
On Market
Sodium Ascorbate Non-Acidic Vitamin C 1000 mg
Bronson
8 ingredients · Vitamin
On Market
Sodium Chloride 1000 mg
Nutricost
9 ingredients · Mineral
On Market
Soft Magnesium
Nutri-Rich
13 ingredients · Mineral
On Market
Solitary Hermit Teapills
Plum Flower
19 ingredients · Botanical
On Market
Solstic Twenty-Four Natural Raspberry Lemonade Flavor
Nature's Sunshine
32 ingredients · Other Combinations
On Market
Solution of Magnesium
Allergy Research Group
4 ingredients · Mineral
On Market
Somaplex Magnesium
Nestmann
3 ingredients · Mineral
On Market
Soothe Liver Teapills
Plum Flower
20 ingredients · Botanical
On Market
Soothe Raspberry Lemon
Beeline Wellness
12 ingredients · Botanical with Nutrients
On Market
Source of Life Gold Drink Mix Delicious Tropical Fruit Flavor
NaturesPlus
257 ingredients · Other Combinations
On Market
Source Of Life Women Liquid Natural Berry Flavor
NaturesPlus
50 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Southern Ban Lan Gen Extract Tablets
Plum Flower
8 ingredients · Botanical
On Market
Soy Isoflavones
Vitabase
6 ingredients · Botanical
On Market
Soy Isoflavones
Bronson Laboratories
7 ingredients · Botanical
On Market
Soy Isoflavones
Nature's Way
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Soy Isoflavones 200 mg
The Vitamin Shoppe
5 ingredients · Botanical
On Market
Soy Isoflavones 50 mg
Natrol
4 ingredients · Non-Nutrient/Non-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.