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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

Potassium Gluconate 99 mg
Swanson
4 ingredients · Mineral
On Market
Potassium Gluconate 99 mg
NOW
6 ingredients · Mineral
On Market
Potassium Gluconate 99 mg
NOW
6 ingredients · Mineral
On Market
Potassium Glycinate
Bluebonnet
5 ingredients · Mineral
On Market
Potassium Iodide
Nature's Vision
6 ingredients · Mineral
On Market
Potassium Iodide 130 mg
Hi-Tech Pharmaceuticals
8 ingredients · Mineral
On Market
Potassium Iodide 130 mg
Best Naturals
7 ingredients · Mineral
On Market
Potassium Iodide 130 mg
Safrel
8 ingredients · Mineral
On Market
Potassium Iodide 130 mg
Number One Nutrition
7 ingredients · Mineral
On Market
Potassium Iodide 65 mg
Vitamatic
7 ingredients · Mineral
On Market
Potassium Iodide 65 mg
Best Naturals
7 ingredients · Mineral
On Market
Potassium Iodide 65 mg
Safrel
8 ingredients · Mineral
On Market
Potassium Iodide 85 mg
Dr. Berg
5 ingredients · Mineral
On Market
Potassium Iodide Iodine 150 mcg
NaturesPlus
6 ingredients · Mineral
On Market
Potassium Iodide Tablets 130 mg
Double Wood Supplements
6 ingredients · Mineral
On Market
Potassium Magnesium (Aspartate)
Pure Encapsulations
4 ingredients · Mineral
On Market
Potassium Magnesium (Aspartate)
Pure Encapsulations
5 ingredients · Mineral
On Market
Potassium Magnesium (Citrate)
Pure Encapsulations
5 ingredients · Mineral
On Market
Potassium Magnesium Aspartate
Vitamin World
9 ingredients · Mineral
On Market
Potassium Magnesium Aspartate
Solgar
7 ingredients · Mineral
On Market
Potassium Magnesium Aspartate
Solgar
8 ingredients · Mineral
On Market
Potassium Magnesium Aspartate
Puritan's Pride
9 ingredients · Mineral
On Market
Potassium Plus 99 mg Timed-Release
GNC
24 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Potassium with Extend-Release Magnesium
Life Extension
10 ingredients · Mineral
On Market
Potassium with Extend-Release Magnesium
Life Extension
11 ingredients · Mineral
On Market
Potassium-HP (With Magnesium)
Biotics Research Corporation
2 ingredients · Mineral
On Market
Potassium-Magnesium Taurate
Cardiovascular Research
5 ingredients · Mineral
On Market
Potassium/Magnesium Aspartate
Metabolic Maintenance
4 ingredients · Mineral
On Market
Potassium/Magnesium Citrate
Metabolic Maintenance
4 ingredients · Mineral
On Market
Potent C Guard Buffered Ascorbate Powder
Perque
6 ingredients · Other Combinations
On Market
Potent C Guard Buffered Ascorbate Powder
Perque
6 ingredients · Other Combinations
On Market
Power Beets Acai Berry Pomegranate Flavor
NuTherapy
13 ingredients · Botanical with Nutrients
On Market
Power Beets Acai Berry Pomegranate Flavor
NuTherapy
12 ingredients · Botanical with Nutrients
On Market
Power Beets On the Go! Acai-Pomegranate
Nu Therapy
12 ingredients · Botanical with Nutrients
On Market
Power Blast Keto
Justified Laboratories
10 ingredients · Other Combinations
On Market
Power BP Support
Dr. Seth's Vitamin Vibrations
12 ingredients · Other Combinations
On Market
Power C-Buffered
Dr. Seth's Vitamin Vibrations
11 ingredients · Other Combinations
On Market
Power Candida-Cleanse
Dr. Seth's Vitamin Vibrations
14 ingredients · Other Combinations
On Market
Power Cocktail Junior Natural Orange Flavoured
FitLine
54 ingredients · Botanical with Nutrients
On Market
Power Greens Natural Berry Flavor
Windmill Natural Vitamins
86 ingredients · Other Combinations
On Market
Power Greens Premium Refreshing Berry
NuMedica
92 ingredients · Other Combinations
On Market
Power Liver Cleanse
Dr. Seth's Vitamin Vibrations
19 ingredients · Other Combinations
On Market
Power Muscle-Eze
Dr. Seth's Vitamin Vibrations
19 ingredients · Other Combinations
On Market
Power Teen for Her Wild Berry
NaturesPlus Source of Life
49 ingredients · Other Combinations
On Market
Power Vision Vitamins
California Academy of Health
15 ingredients · Other Combinations
On Market
Power Weight Gainer Banana Flavour
Body Attack Sports Nutrition
45 ingredients · Other Combinations
On Market
Power-Dophilus Dairy-Free Probiotic
Country Life
13 ingredients · Other Combinations
On Market
Power-Zinc Plus
Physician's Strength
25 ingredients · Botanical with Nutrients
On Market
PowerCal 1000 mg
Zahler
13 ingredients · Botanical with Nutrients
On Market
PowerCal 1000 mg
Advanced Nutrition by Zahler
14 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.