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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

Extra Grape Seed Extract
CATALO
12 ingredients · Botanical with Nutrients
On Market
Extra Green Tea Extract
CATALO
12 ingredients · Botanical with Nutrients
On Market
Extra Liver Formula
CATALO
13 ingredients · Botanical with Nutrients
On Market
Extra Memory Formula
CATALO
16 ingredients · Other Combinations
On Market
Extra Probiotics Intensive Formula
CATALO
24 ingredients · Other Combinations
On Market
Extra Strength Antacid 750 Assorted Berries
Well At Walgreens
13 ingredients · Mineral
On Market
Extra Strength Antacid Tablets
Kroger
13 ingredients · Mineral
On Market
Extra Strength Apple Cider Vinegar 750 mg
NOW
11 ingredients · Botanical with Nutrients
On Market
Extra Strength Artichoke 20:1 Extract
Zazzee Naturals
5 ingredients · Botanical
On Market
Extra Strength Ashwagandha 3,000 mg
Nature's Truth
7 ingredients · Botanical
On Market
Extra Strength Astragalus 3,000 mg
Nature's Truth
6 ingredients · Botanical
On Market
Extra Strength Balanced Life Concentrate
Complete H2O Minerals
18 ingredients · Other Combinations
On Market
Extra Strength Berberine 1200 mg
eXplicit Supplements
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Extra Strength Bitter Melon 25:1 Extract
Zazzee Naturals
5 ingredients · Botanical
On Market
Extra Strength Chewable C 1000 mg
Nature Made
16 ingredients · Vitamin
On Market
Extra Strength Flush-Free Niacin 750 mg
Mason Natural
6 ingredients · Other Combinations
On Market
Extra Strength Glucosamine 1500 mg Chondroitin 1200 mg
Kirkland Signature
19 ingredients · Non-Nutrient/Non-Botanical
On Market
Extra Strength Glucosamine and Chondroitin
Bronson
11 ingredients · Non-Nutrient/Non-Botanical
On Market
Extra Strength Glucosamine HCl 1500 mg with MSM 1500 mg
Kirkland Signature
16 ingredients · Non-Nutrient/Non-Botanical
On Market
Extra Strength Hair, Skin & Nails
21st Century
36 ingredients · Other Combinations
On Market
Extra Strength L-Methyl Folate 15 mg
Nature's Truth
6 ingredients · Vitamin
On Market
Extra Strength Magnesium 250 mg
Nature's Truth
8 ingredients · Mineral
On Market
Extra Strength Magnesium 250 mg
Nature's Truth
7 ingredients · Mineral
On Market
Extra Strength Magnesium 400 mg
Nature Made
11 ingredients · Mineral
On Market
Extra Strength Magnesium 420 mg
Qunol Minerals
4 ingredients · Mineral
On Market
Extra Strength Magnesium 500 mg
Mason Natural
10 ingredients · Mineral
On Market
Extra Strength Mucuna Pruriens 20% L-Dopa 1000 mg
Zazzee Naturals
5 ingredients · Botanical
On Market
Extra Strength Mullein 10:1 Extract 3000 mg
Zazzee Naturals
5 ingredients · Botanical
On Market
Extra Strength Novatest
XL Xero Limits
14 ingredients · Non-Nutrient/Non-Botanical
On Market
Extra Strength Serrapeptase
Zazzee Naturals
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Extra Strength St. John's Wort 20:1 Extract
Zazzee Naturals
5 ingredients · Botanical
On Market
Extra Strength Turmeric Extract 1400 mg
Member's Mark
15 ingredients · Other Combinations
On Market
Extra Tart Cherry Formula
CATALO
12 ingredients · Botanical
On Market
Extra-Strength Chelated Iron 27 mg
Bluebonnet
4 ingredients · Mineral
On Market
Extra-Strength Chelated Iron 27 mg
Bluebonnet
5 ingredients · Mineral
On Market
Extreme Endurance
Xendurance
11 ingredients · Other Combinations
On Market
Extreme Fuel Berry
Power Blendz
59 ingredients · Other Combinations
On Market
Extreme Horny Goat
Success Chemistry
13 ingredients · Other Combinations
On Market
Extreme Mass Chocolate
NutraBio
46 ingredients · Amino acid/Protein
On Market
Extreme Mass Chocolate
NutraBio
62 ingredients · Other Combinations
On Market
Extreme Mass Vanilla
NutraBio
44 ingredients · Amino acid/Protein
On Market
Extreme Mass Vanilla
NutraBio
61 ingredients · Other Combinations
On Market
Extreme Shake Protein Blend and Multi-Collagen Dutch Chocolate
CTFO Changing The Future Outcome
52 ingredients · Other Combinations
On Market
Extreme Shake Protein Blend and Multi-Collagen Vanilla
CTFO Changing The Future Outcome
55 ingredients · Other Combinations
On Market
Eye & Vision Formula
Health Products Distributors
24 ingredients · Other Combinations
On Market
Eye Antioxidant
Bluebonnet
23 ingredients · Other Combinations
On Market
Eye Antioxidant
Bluebonnet
23 ingredients · Other Combinations
On Market
Eye Essentials
Supplement Spot
14 ingredients · Other Combinations
On Market
Eye Vitamins 2020
eXplicit Supplements
30 ingredients · Other Combinations
On Market
Eyebright 430 mg
Bronson Laboratories
6 ingredients · 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.