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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

Non GMO Whey Isolate Cocoa
ath
21 ingredients · Amino acid/Protein
On Market
Non-Flush Niacin 500 mg
Nature's Harmony
5 ingredients · Other Combinations
On Market
Non-GMO C-1000
Source Naturals
8 ingredients · Vitamin
On Market
Non-GMO C-1000
Source Naturals
8 ingredients · Vitamin
On Market
Non-GMO Soy Isoflavones
Bluebonnet
6 ingredients · Non-Nutrient/Non-Botanical
On Market
Non-GMO Vitamin C 1,000 mg
Source Naturals
8 ingredients · Vitamin
On Market
Noni Concentrated 8:1 Extract
PureMax Labs YummyVite
4 ingredients · Botanical
On Market
Noni Fruit 2000 mg
NusaPure
5 ingredients · Botanical
On Market
Noni Pure 400 mg
Pure Naturals
5 ingredients · Botanical
On Market
Nootropi Brain Booster
PureMax Labs YummyVite
12 ingredients · Other Combinations
On Market
Nootropic Focus Boost
New Age
9 ingredients · Botanical with Nutrients
On Market
Nootropic Punch
H Co.
27 ingredients · Other Combinations
On Market
Nopal Cactus 650 mg
AN Amazing Nutrition Amazing Formulas
5 ingredients · Botanical
On Market
Norwegian Kelp
Nature's Harmony
6 ingredients · Botanical with Nutrients
On Market
NOS Blast Creatine Nitro Solution
Precision Engineered
44 ingredients · Other Combinations
On Market
NOS Blast Creatine Nitro Solution Blue Raspberry
Precision Engineered
27 ingredients · Other Combinations
On Market
Not Today, Grey
Arey
18 ingredients · Other Combinations
On Market
Not Today, Grey
Arey
18 ingredients · Other Combinations
On Market
Nourish The Surface Teapills
Plum Flower
15 ingredients · Botanical
On Market
NOVA Complete Natural Black Cherry Flavor
NuMedica
11 ingredients · Botanical with Nutrients
On Market
NOVA Complete Natural Black Cherry Flavor
NuMedica
11 ingredients · Botanical with Nutrients
On Market
NOVA Complete Smooth Fruit Flavor
NuMedica
11 ingredients · Botanical with Nutrients
On Market
NOVA Complete Smooth Fruit Flavor
NuMedica
11 ingredients · Botanical with Nutrients
On Market
Novos Core Orange Flavor
Novos
20 ingredients · Other Combinations
On Market
Nox Pro Lemon Lime
Mex Muscle Excellence Pro Line
40 ingredients · Other Combinations
On Market
NR Essentials Multivitamin For Women
Native Remedies
28 ingredients · Other Combinations
On Market
NSK-SD Nattokinase 100 mg
Source Naturals
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Nu-Mag Magnesium Chloride
Leading Pharma
21 ingredients · Mineral
On Market
Nu-Thera EveryDay Companion Powder
Kirkman
22 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Nu-Thera Multivitamin with P5P
Kirkman
23 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Nu-Thera without Vitamins A & D
Kirkman
21 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Nu-Thera/EveryDay Companion
Kirkman
24 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Nuan Gong Yun Zi Pian FertiAssist 200 mg
Guang Ci Tang
15 ingredients · Botanical
On Market
Nuclezyme-Forte
Biotics Research Corporation
20 ingredients · Other Combinations
On Market
Nugenix Ultimate
Nugenix
16 ingredients · Botanical with Nutrients
On Market
Nugenix Ultimate Testosterone
Nugenix
10 ingredients · Botanical with Nutrients
On Market
Nugenix Ultimate Testosterone
Nugenix
17 ingredients · Botanical with Nutrients
On Market
Nugenix Ultra
Nugenix
14 ingredients · Other Combinations
On Market
Nutra-Support Bone
Carlson
22 ingredients · Other Combinations
On Market
Nutra-Support Bone
Carlson
22 ingredients · Other Combinations
On Market
Nutra-Support Diabetes
Carlson
42 ingredients · Other Combinations
On Market
Nutra-Support Diabetes
Carlson
42 ingredients · Other Combinations
On Market
Nutra-Support Diabetes
Carlson
42 ingredients · Other Combinations
On Market
Nutra-Support Joint
Carlson
11 ingredients · Other Combinations
On Market
Nutra-Support Joint
Carlson
11 ingredients · Other Combinations
On Market
Nutra-Support Joint
Carlson
11 ingredients · Other Combinations
On Market
NutraFlush PRO
Vivid Health Nutrition
20 ingredients · Botanical with Nutrients
On Market
NutraGluco Select
Moss Nutrition
24 ingredients · Other Combinations
On Market
Nutri-Immuno Pack With Herbs
Douglas Laboratories
61 ingredients · Other Combinations
On Market
Nutri-Smart Formula
Douglas Laboratories
30 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.