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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

Buffered Chelated Magnesium
Bluebonnet
5 ingredients · Mineral
Off Market
Buffered Chelated Magnesium
Bluebonnet
5 ingredients · Mineral
Off Market
Buffered Chelated Magnesium
Bluebonnet
5 ingredients · Mineral
Off Market
Buffered Magnesium Bisglycinate Powder
Kirkman
5 ingredients · Mineral
Off Market
Buffered Magnesium Glycinate
Kirkman
8 ingredients · Other Combinations
Off Market
Buffered Magnesium Glycinate Powder
Kirkman
6 ingredients · Other Combinations
Off Market
Buffered Magnesium Oxide 180 mg
Kirkman
5 ingredients · Mineral
Off Market
Buffered Super Bio Vitamin C 1000 mg
Solaray
12 ingredients · Other Combinations
Off Market
Buffered Vitamin C
Allergy Research Group
7 ingredients · Other Combinations
Off Market
Buffered Vitamin C
Allergy Research Group
7 ingredients · Other Combinations
Off Market
Buffered Vitamin C
Integrative Therapeutics
6 ingredients · Other Combinations
Off Market
Buffered Vitamin C 500 mg
Swanson
8 ingredients · Multi-Vitamin and Mineral (MVM)
Off Market
Buffered Vitamin C Powder
Allergy Research Group
5 ingredients · Other Combinations
Off Market
Buffered Vitamin C Powder
Allergy Research Group
5 ingredients · Other Combinations
Off Market
Bulbine Natalensis
SNI Elite Series
6 ingredients · Botanical
Off Market
Bulgarian Tribulus
Ultimate Nutrition Platinum Series
5 ingredients · Botanical
Off Market
Bulk & Muscle Formula Chocolate
Herbalife
79 ingredients · Amino acid/Protein
Off Market
Bullnox Androrush Fruit Punch
Betancourt Nutrition
19 ingredients · Other Combinations
Off Market
Bullnox Androrush Grape
Betancourt Nutrition
19 ingredients · Other Combinations
Off Market
Bullnox Androrush Orange
Betancourt Nutrition
19 ingredients · Other Combinations
Off Market
Bullnox Androrush Orange
Betancourt Nutrition
19 ingredients · Other Combinations
Off Market
Bullrush Postworkout Blue Raspberry
Betancourt Nutrition
30 ingredients · Other Combinations
Off Market
Bullrush Recelerator Fruit Punch
Betancourt Nutrition
30 ingredients · Other Combinations
Off Market
Bullrush Recelerator Watermelon
Betancourt Nutrition
30 ingredients · Other Combinations
Off Market
Burdock Root 1080 mg
The Vitamin Shoppe
5 ingredients · Botanical
Off Market
C 1,000 mg plus Bioflavonoids & Wild Rose Hips
Nature's Truth
10 ingredients · Other Combinations
Off Market
C 500 Ascorbic Acid
Windmill Natural Vitamins
6 ingredients · Vitamin
Off Market
C Shield 500 mg With Echinacea & Zinc
Nature's Gifts
23 ingredients · Other Combinations
Off Market
C-1000 with 100 mg of Bioflavonoids
NOW
7 ingredients · Other Combinations
Off Market
C-1000 with Rose Hips
Windmill Natural Vitamins
8 ingredients · Botanical with Nutrients
Off Market
C-1000 with Rose Hips
Windmill Natural Vitamins
8 ingredients · Botanical with Nutrients
Off Market
C-1000 with Rose Hips
Windmill Natural Vitamins
8 ingredients · Botanical with Nutrients
Off Market
C-1500 with Rose Hips
Source Naturals
8 ingredients · Botanical with Nutrients
Off Market
C-500 with Rose Hips
Windmill Natural Vitamins
9 ingredients · Botanical with Nutrients
Off Market
C-Plex Powder
Douglas Laboratories
17 ingredients · Other Combinations
Off Market
C.F.S. Support Formula
Douglas Laboratories
50 ingredients · Other Combinations
Off Market
C.F.S. Support Formula
Douglas Laboratories
50 ingredients · Other Combinations
Off Market
C.V. Support Formula
Douglas Laboratories
32 ingredients · Other Combinations
Off Market
C4 Ultimate Shred Pink Lemonade Flavor
Cellucor
32 ingredients · Other Combinations
Off Market
Caffeine 200 mg
Prolab
10 ingredients · Non-Nutrient/Non-Botanical
Off Market
Caffeine 200 mg plus Green Tea Extract
Nature's Truth
8 ingredients · Other Combinations
Off Market
Caffeine Free Fat Burn
Apex
19 ingredients · Other Combinations
Off Market
Caffeine Free Fat Burn
Apex
19 ingredients · Other Combinations
Off Market
Cal 500-Mag 250-Zinc 25
Viva Vitamins
10 ingredients · Other Combinations
Off Market
Cal 600-Mag 300-D
Viva Vitamins
9 ingredients · Other Combinations
Off Market
Cal : Mag Berry Liquid + Natural Blueberry Flavor
Pharmax
16 ingredients · Multi-Vitamin and Mineral (MVM)
Off Market
Cal Mag Vanilla Liquid +
Genestra Brands
14 ingredients · Multi-Vitamin and Mineral (MVM)
Off Market
Cal Mag Zinc +D
21st Century
10 ingredients · Other Combinations
Off Market
Cal-Assimilate Plus
Klaire Labs
13 ingredients · Other Combinations
Off Market
Cal-Assimilate Plus
Klaire Labs
17 ingredients · Other Combinations
Off 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.