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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

Spirulina Natural Tablets
Earthrise
17 ingredients · Other Combinations
On Market
Spirulina Natural Tablets
Earthrise
19 ingredients · Other Combinations
On Market
Spirulina Organic 500 mg
BIOVEA
4 ingredients · Non-Nutrient/Non-Botanical
On Market
Spirulina SuperFood
Sunshine Naturals
5 ingredients · Botanical
On Market
Split Dose Ultra Evening Meal P.M.
Douglas Laboratories
36 ingredients · Other Combinations
On Market
Split Dose Ultra Morning Meal AM
Douglas Laboratories
36 ingredients · Other Combinations
On Market
Sport Citrus Fruit
Nuun
17 ingredients · Mineral
On Market
Sport Fruit Punch
Nuun
16 ingredients · Mineral
On Market
Sport Hydration Tropical Berry Flavor
Arbonne
29 ingredients · Botanical with Nutrients
On Market
Sport Lemon Lime
Nuun
15 ingredients · Mineral
On Market
Sport Milk Chocolate
GNC Mega Men
69 ingredients · Other Combinations
On Market
Sport Multivitamin
GNC AMP Advanced Muscle Performance
88 ingredients · Other Combinations
On Market
Sport Multivitamin
GNC AMP Advanced Muscle Performance
88 ingredients · Other Combinations
On Market
Sport Multivitamin
GNC Mega Men
52 ingredients · Other Combinations
On Market
Sport Multivitamin
GNC Mega Men
52 ingredients · Other Combinations
On Market
Sport Muscle Recovery Mixed Berry Flavor
Arbonne
28 ingredients · Botanical with Nutrients
On Market
Sport One Daily Multi
GNC Mega Men
61 ingredients · Other Combinations
On Market
Sport Strawberry Lemonade
Nuun
15 ingredients · Mineral
On Market
Sport Strawberry Lemonade
Nuun
15 ingredients · Mineral
On Market
Sport Tri-Berry
Nuun
17 ingredients · Mineral
On Market
Sport Tropical
Nuun
16 ingredients · Mineral
On Market
Sport Vanilla Bean
GNC Mega Men
68 ingredients · Other Combinations
On Market
Sport Watermelon
Nuun
16 ingredients · Mineral
On Market
Sports Blend Electrolite Liquid Minerals
Complete H2O Minerals
26 ingredients · Other Combinations
On Market
Sports Drink Zero Black Currant Flavor
Body Attack Sports Nutrition
28 ingredients · Other Combinations
On Market
Sports Drink Zero Blood Orange Flavour
Body Attack Sports Nutrition
26 ingredients · Other Combinations
On Market
Sports Drink Zero Blueberry Flavour
Body Attack Sports Nutrition
29 ingredients · Other Combinations
On Market
Sports Drink Zero Cherry-Banana Flavour
Body Attack Sports Nutrition
27 ingredients · Other Combinations
On Market
Sports Drink Zero Energy Drink Flavour
Body Attack Sports Nutrition
31 ingredients · Other Combinations
On Market
Sports Drink Zero Multifruit Flavour
Body Attack Sports Nutrition
25 ingredients · Other Combinations
On Market
Sports Drink Zero Strawberry Flavour
Body Attack Sports Nutrition
25 ingredients · Other Combinations
On Market
Sports Drink Zero Woodruff Flavour
Body Attack Sports Nutrition
26 ingredients · Other Combinations
On Market
Sports Hydration Electrolyes Raspberry & Lemon Flavor
Dr. Berg
27 ingredients · Other Combinations
On Market
Sports Injury Formula With Bromelain & Zinc
Martin Avenue Pharmacy
30 ingredients · Other Combinations
On Market
Sports Performance Pro-PCA Fuel Training Session Formula
Douglas Laboratories
57 ingredients · Other Combinations
On Market
Sports Series Chocolate Graham
MET-Rx
29 ingredients · Amino acid/Protein
On Market
SR Niacin 500 mg
HoltraCeuticals
6 ingredients · Vitamin
On Market
SST PRE Blueberry Lemonade
Performix
30 ingredients · Other Combinations
On Market
SST Support Appetite Control
Performix
13 ingredients · Botanical with Nutrients
On Market
SST Support Define
Performix
12 ingredients · Botanical with Nutrients
On Market
SST Support Lean Sleep
Performix
12 ingredients · Other Combinations
On Market
St. John's Forte
Biotics Research Corporation
17 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
St. John's Wort
Douglas Laboratories
5 ingredients · Botanical
On Market
St. John's Wort
Bronson
4 ingredients · Botanical
On Market
St. John's Wort
Nature's Harmony
5 ingredients · Botanical
On Market
St. John's Wort
Karuna
4 ingredients · Botanical
On Market
St. John's Wort
Everyday Health
3 ingredients · Botanical
On Market
St. John's Wort
DC
7 ingredients · Botanical
On Market
St. John's Wort
Wonder Laboratories
7 ingredients · Botanical
On Market
St. John's Wort
Healths Harmony
6 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.