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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

Maxi C-Complex
Country Life
14 ingredients · Other Combinations
On Market
Maxi Collagen H.A
Maxi Health
6 ingredients · Other Combinations
On Market
Maxi Ginkgo Biloba
Maxi Health
7 ingredients · Other Combinations
On Market
Maxi Lipoic Supreme
Maxi Health
14 ingredients · Other Combinations
On Market
Maxi Magnesium Lysyl Glycinate
Maxi Health
15 ingredients · Mineral
On Market
Maxi Mens Formula
Maxi Health
32 ingredients · Other Combinations
On Market
Maxi NAC Complex
Maxi Health
8 ingredients · Other Combinations
On Market
Maxi Olive Supreme
Maxi Health
9 ingredients · Botanical
On Market
Maxi One Iron-Free
Bluebonnet
57 ingredients · Other Combinations
On Market
Maxi One Iron-Free
Bluebonnet
60 ingredients · Other Combinations
On Market
Maxi One Iron-Free
Bluebonnet
57 ingredients · Other Combinations
On Market
Maxi Potassium Magnesium
Maxi Health
12 ingredients · Mineral
On Market
Maxi Potassium Magnesium
Maxi Health
12 ingredients · Mineral
On Market
Maxi Prenatal
Maxi Health
47 ingredients · Other Combinations
On Market
Maxi Prenatal Caps
Maxi Health
41 ingredients · Other Combinations
On Market
Maxi Prenatal Caps
Maxi Health
41 ingredients · Other Combinations
On Market
Maxi Pro 100 Billion
Maxi Health
6 ingredients · Non-Nutrient/Non-Botanical
On Market
Maxi Red Yeast Rice
Maxi Health
8 ingredients · Other Combinations
On Market
Maxi Resveratrol with Coenzyme Q10
Maxi Health
7 ingredients · Non-Nutrient/Non-Botanical
On Market
Maxi Teen Supreme Her's
Maxi Health
46 ingredients · Other Combinations
On Market
Maxi-C Caps 1000 mg
Country Life
10 ingredients · Other Combinations
On Market
Maxi-Hair 50+
Country Life
14 ingredients · Other Combinations
On Market
Maxi-Hair Plus
Country Life
33 ingredients · Other Combinations
On Market
Maxi-Hair Plus
Country Life
33 ingredients · Other Combinations
On Market
Maxicloruro Magnesium Chloride Peppermint Added
MaxiProductos
1 ingredient · Mineral
On Market
Maximum Female
NutritionWorks
47 ingredients · Other Combinations
On Market
Maximum Nails
Supplement Spot
12 ingredients · Other Combinations
On Market
Maximum Nutrition Vanilla Bean
GNC Mega Men
69 ingredients · Botanical with Nutrients
On Market
Maximum Nutrition Vanilla Creme
GNC Women's Ultra Mega
64 ingredients · Botanical with Nutrients
On Market
Maximum Prostate
Supplement Spot
13 ingredients · Other Combinations
On Market
Maximum Prostate Care
Market America
18 ingredients · Botanical with Nutrients
On Market
Maximum Soy-Spirulina Protein Powder Natural Chocolate Flavor
VitaCeutical Labs
54 ingredients · Amino acid/Protein
On Market
Maximum Soy-Spirulina Protein Powder Natural Vanilla Flavor
VitaCeutical Labs
53 ingredients · Amino acid/Protein
On Market
Maximum Strength
Estroven
8 ingredients · Botanical with Nutrients
On Market
Maximum Strength Cranberry 12000 mg With Vitamin C 80 mg
Simply Supplements
5 ingredients · Botanical with Nutrients
On Market
Maximum Strength Glucosamine Chondroitin
Nature's Blend
10 ingredients · Other Combinations
On Market
Maximum Strength Magnesium 500 mg
Nature's Bounty
4 ingredients · Mineral
On Market
Maximum Strength Magnesium 500 mg
Nature Made
11 ingredients · Mineral
On Market
Maximum Strength Melatonin 20 mg
LuckyVitamin
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Maximum Strength Melatonin 20 mg
Protocol For Life Balance
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Maximum Strength Melatonin 5 mg
AvPAK
7 ingredients · Non-Nutrient/Non-Botanical
On Market
Maximum Strength Vitamin D3 250 mcg with Vitamin C
Sunshine
16 ingredients · Other Combinations
On Market
Maximum Vibrance Chocolate Chunk
Vibrant Health
157 ingredients · Other Combinations
On Market
Maxine's Maximized Menopause Formula
Country Life
25 ingredients · Botanical with Nutrients
On Market
MAXX Monster Test Be Invincible Testosterone Booster
Monster Test
23 ingredients · Botanical with Nutrients
On Market
MBR Bone Review Once Daily
Source Naturals
5 ingredients · Amino acid/Protein
On Market
MCB Magnesium, Calcium, Boron
Complete H2O Minerals
7 ingredients · Mineral
On Market
Mdrive Elite Performance
DreamBrands
22 ingredients · Other Combinations
On Market
Mdrive Greens Chocolate Berry
DreamBrands
38 ingredients · Botanical with Nutrients
On Market
Mdrive Lean Blood Orange Chocolate
DreamBrands
22 ingredients · Botanical with Nutrients
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.