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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

Pure L-Methionine 500 Milligrams
Montiff
4 ingredients · Amino acid/Protein
On Market
Pure L-Proline 500 Milligrams
Montiff
4 ingredients · Amino acid/Protein
On Market
Pure L-Threonine 500 Milligrams
Montiff
4 ingredients · Amino acid/Protein
On Market
Pure Magnesium Citrate
Micro Ingredients
2 ingredients · Mineral
On Market
Pure Magnesium Glycinate
Micro Ingredients
2 ingredients · Mineral
On Market
Pure Mineral Complete
PureFormulas
15 ingredients · Mineral
On Market
Pure Plant Calcium
Simply Young
23 ingredients · Botanical with Nutrients
On Market
Pure Plant Calcium Organic Toffee Shake
Simply Young
24 ingredients · Botanical with Nutrients
On Market
Pure Protein 100% Whey Protein Vanilla Cream
Pure Protein
23 ingredients · Amino acid/Protein
On Market
Pure Protein 100% Whey Rich Chocolate
Worldwide Sport Nutritional Supplements
26 ingredients · Amino acid/Protein
On Market
Pure Protein 100% Whey Vanilla Cream
Worldwide Sport Nutritional Supplements
22 ingredients · Amino acid/Protein
On Market
Pure Protein Complete French Vanilla
Pure Protein
47 ingredients · Botanical with Nutrients
On Market
Pure Protein French Vanilla
Worldwide Sport Nutritional Supplements
20 ingredients · Botanical with Nutrients
On Market
Pure Protein Rich Chocolate
Worldwide Sport Nutritional Supplements
23 ingredients · Botanical with Nutrients
On Market
Pure Protein Shake Banana Cream
Worldwide Sport Nutrition
30 ingredients · Amino acid/Protein
On Market
Pure Protein Shake Banana Cream
MET-Rx
30 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Pure Protein Shake Cookies 'N Creme
MET-Rx
32 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Pure Protein Shake Frosty Chocolate
MET-Rx
30 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Pure Protein Shake Strawberry Cream
MET-Rx
30 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Pure Protein Shake Vanilla Cream
MET-Rx
29 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Pure Slim Keto
Justified Laboratories
20 ingredients · Botanical with Nutrients
On Market
Pure Slim Labs Keto
Pure Slim Labs
9 ingredients · Non-Nutrient/Non-Botanical
On Market
Pure Utah Sea Minerals
Trace Minerals Research
7 ingredients · Mineral
On Market
Pure Utah Sea Minerals
Trace Minerals Research
7 ingredients · Mineral
On Market
Pure Vitamin C
Allergy Research Group
4 ingredients · Vitamin
On Market
Pure Vitamin C
Allergy Research Group
3 ingredients · Vitamin
On Market
Pure Vitamin C Ascorbic Acid
NutriCology
3 ingredients · Vitamin
On Market
Pure Vitamin C Cassava Root Source
NutriCology
4 ingredients · Vitamin
On Market
Pure Way C 500 mg with 100 mg Bioflavonoids
Ron Teeguarden Nutraceuticals
7 ingredients · Other Combinations
On Market
Pure-C Bio 600
Maxi Health
20 ingredients · Other Combinations
On Market
Pure-C-Bio Capsules
Maxi Health
13 ingredients · Other Combinations
On Market
PureChia Capsules
Healthy Choice Nutritionals
40 ingredients · Other Combinations
On Market
PureFood Nutrients
Pure Encapsulations
50 ingredients · Botanical with Nutrients
On Market
PureLean Ultra Natural Vanilla Bean Flavor
Pure Encapsulations
23 ingredients · Botanical with Nutrients
On Market
Purely Probiotics Chewables Bursting Berry Flavor!
Culturelle Kids
14 ingredients · Non-Nutrient/Non-Botanical
On Market
Purely Probiotics Chewables Bursting Berry Flavor!
Culturelle Kids
14 ingredients · Non-Nutrient/Non-Botanical
On Market
Purely-Zinc Plus
North American Herb & Spice
25 ingredients · Other Combinations
On Market
Purely-Zinc Plus
North American Herb & Spice
25 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
PureWay-C 1000 mg Caps with 100 mg Bioflavonoids
Newflower Farmers Markets
13 ingredients · Other Combinations
On Market
PureWay-C 500 mg with 200 mg Bioflavonoids
Newflower Farmers Markets
9 ingredients · Other Combinations
On Market
PuriFlush Ultra
Vivid Health Nutrition
13 ingredients · Botanical with Nutrients
On Market
PX Night Burn
FINAFLEX
5 ingredients · Other Combinations
On Market
PX Pro Xanthine
FINAFLEX
19 ingredients · Other Combinations
On Market
Pycnogenol 100 mg
Country Life
6 ingredients · Botanical
On Market
Pycnogenol 100 mg
GNC
9 ingredients · Botanical
On Market
Pycnogenol 100 mg
Country Life
5 ingredients · Botanical
On Market
Pycnogenol 30 mg
The Vitamin Shoppe
5 ingredients · Botanical
On Market
Pycnogenol 50 mg
Country Life
6 ingredients · Botanical with Nutrients
On Market
Pycnogenol 50 mg
Natrol
5 ingredients · Botanical
On Market
Pycnogenol 50 mg
Bluebonnet
5 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.