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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

Metabolic Reset Vanilla
Nature's Way
40 ingredients · Botanical with Nutrients
On Market
Metabolic Test
Elite Labs USA
11 ingredients · Other Combinations
On Market
MetabolicZyme
Allergy Research Group
18 ingredients · Other Combinations
On Market
Metabolism Reboot
Country Life
8 ingredients · Botanical
On Market
MetaKids Probiotic
Metagenics
17 ingredients · Non-Nutrient/Non-Botanical
On Market
Metavo Immune Health
SP Nutraceuticals
10 ingredients · Botanical with Nutrients
On Market
Methionine Plus
DC
10 ingredients · Other Combinations
On Market
Methyl 12 Plus
D'Adamo Personalized Nutrition
6 ingredients · Vitamin
On Market
Methyl Andro Hardcore
PMD
31 ingredients · Other Combinations
On Market
Methyl B Complex
BioCare
22 ingredients · Other Combinations
On Market
Methyl B Complex
Vitality For Life
22 ingredients · Vitamin
On Market
Methyl B-12 1,000 mcg
LuckyVitamin
9 ingredients · Vitamin
On Market
Methyl B-12 1,000 mcg
NOW
9 ingredients · Vitamin
On Market
Methyl B-12 1000 mcg & Methyl Folate 400 mcg plus P-5-P Lemon
Jarrow Formulas
12 ingredients · Vitamin
On Market
Methyl B-12 1000 mcg Lemon
Jarrow Formulas
8 ingredients · Vitamin
On Market
Methyl B-12 5,000 mcg
LuckyVitamin
11 ingredients · Vitamin
On Market
Methyl B-12 5,000 mcg
NOW
11 ingredients · Vitamin
On Market
Methyl B-12 5,000 mcg
NOW
11 ingredients · Vitamin
On Market
Methyl B-12 5000
Woodstock Vitamins
7 ingredients · Vitamin
On Market
Methyl B-12 5000 mcg
aSquared Nutrition
7 ingredients · Vitamin
On Market
Methyl B-12 5000 mcg Cherry
Jarrow Formulas
8 ingredients · Vitamin
On Market
Methyl B-12 Fast Dissolve Cherry Flavor
Futurebiotics
8 ingredients · Vitamin
On Market
Methyl B-12 HP
NuMedica
8 ingredients · Vitamin
On Market
Methyl B-Complex 50
Solaray
15 ingredients · Other Combinations
On Market
Methyl B12 1,000 mcg Methylcobalamin
Protocol For Life Balance
9 ingredients · Vitamin
On Market
Methyl B12 1,000 mcg Methylcobalamin
Protocol For Life Balance
9 ingredients · Vitamin
On Market
Methyl B12 1000 mcg Cherry Flavor
Nature's Craft
9 ingredients · Vitamin
On Market
Methyl B12 3000 mcg Berry Flavor
Country Life
13 ingredients · Vitamin
On Market
Methyl B12 5,000 mcg
Neurobiologix
10 ingredients · Vitamin
On Market
Methyl B12 5,000 mcg Methylcobalamin With Folic Acid
Protocol For Life Balance
11 ingredients · Vitamin
On Market
Methyl Cobalamin 5000 mcg
Wonder Labs
9 ingredients · Vitamin
On Market
Methyl Complete
NutraMedix
10 ingredients · Other Combinations
On Market
Methyl Folat 7500 mcg
Best Naturals
6 ingredients · Vitamin
On Market
Methyl Folate
Sunergetic
6 ingredients · Vitamin
On Market
Methyl Folate
NuMedica
7 ingredients · Vitamin
On Market
Methyl Folate
NuMedica
8 ingredients · Vitamin
On Market
Methyl Folate 1360 mcg DFE
Lake Avenue Nutrition
5 ingredients · Vitamin
On Market
Methyl Folate 15 mg
Vitamatic
6 ingredients · Vitamin
On Market
Methyl Folate 400 mcg
Jarrow Formulas
6 ingredients · Vitamin
On Market
Methyl Folate 800 mcg
Lake Avenue Nutrition
6 ingredients · Vitamin
On Market
Methyl Folate HP
NuMedica
7 ingredients · Vitamin
On Market
Methyl Folate Lozenges 800 mcg Natural Lemon Flavor
Solaray
12 ingredients · Vitamin
On Market
Methyl Folate Lozenges Natural Berry Flavor
Maxi Health
15 ingredients · Vitamin
On Market
Methyl Multi without Iron
Pure TheraPro Rx
30 ingredients · Other Combinations
On Market
Methyl Multinutrient
BioCare
53 ingredients · Other Combinations
On Market
Methyl Pregnancy Multinutrient
BioCare
53 ingredients · Other Combinations
On Market
Methyl-Plex B
NuMedica
11 ingredients · Other Combinations
On Market
Methylated Multi-Vitamin
Double Wood Supplements
11 ingredients · Other Combinations
On Market
Methylation Protect
Adaptogen Research
14 ingredients · Other Combinations
On Market
Methylation Support
Akasha Naturals
14 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.