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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

For Him Fertility Support
Bluebonnet Intimate Essentials
61 ingredients · Other Combinations
On Market
For Him Testosterone & Libido Boost
Bluebonnet Intimate Essentials
13 ingredients · Other Combinations
On Market
For Him Testosterone & Libido Boost
Bluebonnet Intimate Essentials
13 ingredients · Other Combinations
On Market
For Memory With Ginkgo Biloba Extract 120 mg
Vita+Apps By V
5 ingredients · Botanical
On Market
For Memory With Ginkgo Biloba Extract 120 mg
Vita+Apps By V
5 ingredients · Botanical
On Market
For Mood With SAMe 400 mg
Vita+Apps By V
13 ingredients · Non-Nutrient/Non-Botanical
On Market
For Nighttime
Stasis
16 ingredients · Other Combinations
On Market
For Sleep With Melatonin 3 mg
Vita+Apps By V
4 ingredients · Non-Nutrient/Non-Botanical
On Market
For Stress With L-Theanine 100 mg
Vita+Apps By V
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Forever Calcium
Forever
16 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Forever Calcium With Magnesium And Vitamin D
Forever
14 ingredients · Other Combinations
On Market
Forever Nature-Min
Forever
17 ingredients · Mineral
On Market
Form-X Testosterone Booster
LG Sciences
18 ingredients · Other Combinations
On Market
Formula #1 OC-Classic
Physician's Signature
13 ingredients · Vitamin
On Market
Formula #1 OC-Classic With Fresh Royal Jelly
Physician's Signature
13 ingredients · Vitamin
On Market
Formula 1 (Dihydrotase)
MuscleMeds
10 ingredients · Other Combinations
On Market
Formula 2 (7-Arimatase)
MuscleMeds
9 ingredients · Non-Nutrient/Non-Botanical
On Market
Formula 217 Water Pills
DC
12 ingredients · Botanical with Nutrients
On Market
Formula 249 Iron Free
DC
30 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Formula 249 Iron Free
DC
31 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Formula 249 Iron Free
DC
31 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Formula 249 Iron Free
DC
30 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Formula 390 B-Complex
DC
15 ingredients · Other Combinations
On Market
Formula 430 Vitamin B-6 Magnesium Potassium
Wonder Laboratories
13 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Formula 430 Vitamin B-6 Magnesium Potassium
Wonder Labs
11 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Formula 430 Vitamin B-6 Magnesium Potassium
Wonder Laboratories
13 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Formula 430 Vitamin B-6 Magnesium Potassium
Wonder Labs
11 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Formula 480 Quercetin Plus Vitamin C
DC
4 ingredients · Other Combinations
On Market
Formula 512 Natural Cherry Flavor
DC
11 ingredients · Vitamin
On Market
Formula 555 Natural Cherry Flavor
DC
7 ingredients · Other Combinations
On Market
Formula 75 High Potency Vitamin Mineral
DC
36 ingredients · Other Combinations
On Market
Formula K-U Water Pills
Wonder Laboratories
12 ingredients · Botanical with Nutrients
On Market
Formula OSG Bio
Genestra Brands
12 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Forskolin 125 mg
AN Amazing Nutrition Amazing Formulas
4 ingredients · Non-Nutrient/Non-Botanical
On Market
Forskolin 500 mg
aSquared Nutrition
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Forskolin Extract
Totally Products
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Forskolin Lean Body
Totally Products
6 ingredients · Non-Nutrient/Non-Botanical
On Market
ForsLean Extreme
AFI America's Finest
5 ingredients · Botanical
On Market
Fortify 50+ Optima Probiotic 50 Billion
Nature's Way
16 ingredients · Non-Nutrient/Non-Botanical
On Market
Fortify Adult Daily Probiotic 30 Billion
Nature's Way
19 ingredients · Other Combinations
On Market
Fortify Adult Probiotic 50 Billion Extra-Strength
Nature's Way
18 ingredients · Non-Nutrient/Non-Botanical
On Market
Fortify Adults 50+ Daily Probiotic 30 Billion
Nature's Way
19 ingredients · Other Combinations
On Market
Fortify Adults 50+ Probiotic Extra Strength 50 Billion
Nature's Way
20 ingredients · Other Combinations
On Market
Fortify Digestive Complete
Nature's Way
18 ingredients · Non-Nutrient/Non-Botanical
On Market
Fortify Optima 50+ Probiotic 90 Billion
Nature's Way
27 ingredients · Other Combinations
On Market
Fortify Optima Daily Probiotic 50 Billion
Nature's Way
14 ingredients · Non-Nutrient/Non-Botanical
On Market
Fortify Optima Probiotic 35 Billion
Nature's Way
26 ingredients · Other Combinations
On Market
Fortify Optima Probiotic 35 Billion
Nature's Way
26 ingredients · Other Combinations
On Market
Fortify Optima Women's Probiotic 50 Billion
Nature's Way
15 ingredients · Non-Nutrient/Non-Botanical
On Market
Fortify Ultra Potency Optima Probiotic 100 Billion
Nature's Way
26 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.