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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

Cal-Mag Citrate 2:1 Ratio
Solaray
11 ingredients · Other Combinations
On Market
Cal-Mag Citrate 2:1 Ratio
Solaray
12 ingredients · Other Combinations
On Market
Cal-Mag Citrate 2:1 Ratio
Solaray
11 ingredients · Other Combinations
On Market
Cal-Mag Citrate Chewables 2:1 Ratio Natural Orange Flavor
Solaray
13 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Cal-Mag Citrate Powder
DaVinci Laboratories
3 ingredients · Other Combinations
On Market
Cal-Mag Citrate with Vitamin D-3 & K-2 2:1 Ratio
Solaray
10 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
CAL-MAG Complete
Dr. Clark Store
4 ingredients · Other Combinations
On Market
Cal-Mag Complex
4Life Fundamentals
22 ingredients · Botanical with Nutrients
On Market
Cal-Mag Liquid
New Sun
15 ingredients · Other Combinations
On Market
Cal-Mag Liquid Natural Tropical Fruit Flavor
Vital Earth Minerals
21 ingredients · Other Combinations
On Market
Cal-Mag Mineral Support
Douglas Cooper Co.
10 ingredients · Mineral
On Market
Cal-Mag Powder
NF NutriPlex Formulas
6 ingredients · Botanical with Nutrients
On Market
Cal-Mag Stress Formula
NOW
21 ingredients · Other Combinations
On Market
Cal-Mag Zinc + D3
Paradise Earth's Blend
78 ingredients · Other Combinations
On Market
Cal-Mag-C Powder
Wonder Laboratories
6 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Cal-Mag-C Powder
Wonder Laboratories
6 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Cal-Mag-Zinc Liquid Orange-Vanilla
MRM
20 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Cal-Mag-Zinc Liquid Strawberry
MRM
19 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Cal-Mag-Zinc With Vitamin D
IVL Institute For Vibrant Living
14 ingredients · Other Combinations
On Market
Cal/Mag 2:1 (Malate)
Pure Encapsulations
5 ingredients · Mineral
On Market
Cal/Mag 2:1 (Malate)
Pure Encapsulations
5 ingredients · Mineral
On Market
Cal/Mag 500 mg/250 mg
NaturesPlus
13 ingredients · Mineral
On Market
Cal/Mag 500/250 mg
NaturesPlus
13 ingredients · Mineral
On Market
Cal/Mag Aspartate
Karuna
5 ingredients · Mineral
On Market
Cal/Mag Aspartate
Karuna
7 ingredients · Mineral
On Market
Cal/Mag Citrate
Douglas Laboratories
6 ingredients · Other Combinations
On Market
Cal/Mag Citrate
Douglas Laboratories
4 ingredients · Mineral
On Market
Cal/Mag Citrate
NaturesPlus
9 ingredients · Mineral
On Market
Cal/Mag Citrate/Malate
VitalBulk
8 ingredients · Mineral
On Market
Cal/Mag Liquid 2:1
Karuna
15 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Cal/Mag Plus with Vitamin D and Vitamin K-2 MenaQ7
Metabolic Maintenance
6 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Cal/Mag Plus with Vitamin D and Vitamin K2 MK-7
Metabolic Maintenance
6 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Cal/Mag Powder
Metabolic Maintenance
2 ingredients · Mineral
On Market
Cal/Mag with Whole Foods
NaturesPlus
18 ingredients · Botanical with Nutrients
On Market
Cal/Mag with Whole Foods
NaturesPlus
17 ingredients · Botanical with Nutrients
On Market
Cal/Mag/Vit D3 with Vitamin K2
NaturesPlus
12 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Cal/Mag/Vit D3 with Vitamin K2
NaturesPlus
12 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Cal/Mag/Vit D3 with Vitamin K2 Chocolate
NaturesPlus
17 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Cal/Mag/Vit D3 with Vitamin K2 Vanilla
NaturesPlus
15 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Cal/Mag/Zinc Complex
Metabolic Maintenance
6 ingredients · Other Combinations
On Market
Cal/Mag/Zinc Complex
Nature's Life
13 ingredients · Botanical with Nutrients
On Market
Cal/Mag/Zinc Complex with Vitamin D
Metabolic Maintenance
7 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Cal/Mag/Zinc Complex With Vitamin D
Metabolic Maintenance
7 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Cal/Mag/Zinc Complex with Vitamin D
Metabolic Maintenance
7 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Cal/Mag/Zinc Complex with Vitamin D
Metabolic Maintenance
7 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Cal/Mag/Zinc Complex with Vitamin D Plus
Metabolic Maintenance
7 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Cal/Mag/Zinc Natural Pina Colada Flavor
Trace Minerals Research
26 ingredients · Other Combinations
On Market
Cal/Mag/Zinc Pina Colada
Trace Minerals Research
27 ingredients · Mineral
On Market
Cal/Mag/Zinc Pina Colada Flavor
Trace Minerals Research
22 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Calci-Yums! Natural Strawberry Flavor
KiddieMax
17 ingredients · Other Combinations
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.