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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

One To One Cal-Max
Maxi Health
11 ingredients · Other Combinations
On Market
One-Daily Multi-Vitamin
Geri-Care
34 ingredients · Other Combinations
On Market
One-Daily Multi-Vitamin
Geri-Care
34 ingredients · Other Combinations
On Market
One-Daily Multi-Vitamin
Geri-Care
34 ingredients · Other Combinations
On Market
One-Daily Multi-Vitamin And Mineral Supplement
Geri-Care
31 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
One-Daily Multi-Vitamin with Iron
Geri-Care
24 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
One-Daily Multi-Vitamin with Iron
Geri-Care
31 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
One-Daily Multi-Vitamin with Minerals
Geri-Care
44 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
One-Daily Multi-Vitamin with Minerals
Geri-Care
44 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
One-Daily Multi-Vitamin with Minerals
Geri-Care
44 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
One-Daily Multi-Vitamin With Minerals
Geri-Care
44 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
One-Per-Day Multivitamin
Life Extension
42 ingredients · Other Combinations
On Market
Onion Bulb Extract 1000 mg
eXplicit Supplements
3 ingredients · Botanical
On Market
OPC-3 Beauty Blend
Isotonix
27 ingredients · Other Combinations
On Market
OptiCleanse GHI Chai
XYMOGEN
58 ingredients · Other Combinations
On Market
OptiCleanse GHI Chocolate Mint
XYMOGEN
66 ingredients · Other Combinations
On Market
OptiCleanse GHI Creamy Chocolate
XYMOGEN
59 ingredients · Other Combinations
On Market
OptiCleanse GHI Creamy Chocolate Sugar-& Stevia-Free
XYMOGEN
56 ingredients · Other Combinations
On Market
OptiCleanse GHI Lite Vanilla Delight Sugar- & Stevia-Free
XYMOGEN
55 ingredients · Other Combinations
On Market
OptiCleanse GHI Rice Original
XYMOGEN
58 ingredients · Other Combinations
On Market
OptiCleanse GHI Rice Raspberry Lemonade
XYMOGEN
62 ingredients · Other Combinations
On Market
OptiCleanse GHI Rice Vanilla Delight
XYMOGEN
62 ingredients · Other Combinations
On Market
OptiCleanse GHI Sugar-& Stevia-Free Chai
XYMOGEN
52 ingredients · Other Combinations
On Market
OptiCleanse Plus Creamy Chocolate No Added Sugar, No Stevia
XYMOGEN
50 ingredients · Other Combinations
On Market
OptiCleanse Plus Rice Original
XYMOGEN
53 ingredients · Other Combinations
On Market
OptiCleanse Plus Rice Raspberry Lemonade
XYMOGEN
57 ingredients · Other Combinations
On Market
OptiCleanse Plus Vanilla Delight No Added Sugar, No Stevia
XYMOGEN
49 ingredients · Other Combinations
On Market
OptiMag Neuro
XYMOGEN
4 ingredients · Mineral
On Market
OptiMag Neuro Natural Mixed Berry Flavor
XYMOGEN
9 ingredients · Mineral
On Market
OptiMag Neuro Natural Mixed Berry Flavor
XYMOGEN
9 ingredients · Mineral
On Market
Optimal Balance For Men
Hardy Nutritionals
49 ingredients · Other Combinations
On Market
Optimal Electrolyte Berry
Seeking Health
16 ingredients · Other Combinations
On Market
Optimal Electrolyte Seltzer
Seeking Health
13 ingredients · Other Combinations
On Market
Optimal Energy Complex
Pure Nootropics
7 ingredients · Other Combinations
On Market
Optimal Focus
Seeking Health
16 ingredients · Other Combinations
On Market
Optimal Keto Extreme
Justified Laboratories
18 ingredients · Botanical with Nutrients
On Market
Optimal Magnesium
NHC Natural Healthy Concepts
6 ingredients · Mineral
On Market
Optimal Magnesium
VitaScript
5 ingredients · Other Combinations
On Market
Optimal Magnesium 150 mg
Seeking Health
6 ingredients · Mineral
On Market
Optimal Max Keto
Justified Laboratories
10 ingredients · Other Combinations
On Market
Optimal Multivitamin
Seeking Health
67 ingredients · Other Combinations
On Market
Optimal Multivitamin Plus
Seeking Health
64 ingredients · Other Combinations
On Market
Optimal Resveratrol 350 mg
Longevity Medical Clinic
5 ingredients · Botanical
On Market
Optimal Sleep
Seeking Health
12 ingredients · Botanical with Nutrients
On Market
Optimal Sleep Complex
Pure Nootropics
10 ingredients · Other Combinations
On Market
Optimal Sleep II
Seeking Health
13 ingredients · Botanical with Nutrients
On Market
Optimal Vitamin C Plus
Seeking Health
9 ingredients · Other Combinations
On Market
Optimized TryptoPure Plus
Life Extension
13 ingredients · Botanical with Nutrients
On Market
Optimmuner Plus
Hypernaturals
21 ingredients · Other Combinations
On Market
Optimmuner Plus
Hypernaturals
21 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.