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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

Fortify Women's Probiotic 50 Billion
Nature's Way
19 ingredients · Other Combinations
On Market
FortiSalt Gourmet
FortiSalt
26 ingredients · Other Combinations
On Market
FOS + L-Glutamine
Genestra Brands
7 ingredients · Botanical with Nutrients
On Market
Foundation Banana Cream Pie
Arms Race Nutrition
45 ingredients · Other Combinations
On Market
Foundation Chocolate Lava Cake
Arms Race Nutrition
53 ingredients · Other Combinations
On Market
Foundation Essentials
XYMOGEN
63 ingredients · Other Combinations
On Market
Foundation Essentials for Women Multimedica for Women
NuMedica
68 ingredients · Other Combinations
On Market
Foundation Formula
Return Healthy
9 ingredients · Botanical
On Market
Foundation Maple Pancake
Arms Race Nutrition
35 ingredients · Other Combinations
On Market
Foundation Snickerdoodle
Arms Race Nutrition
51 ingredients · Other Combinations
On Market
Foundation Strawberry Shortcake
Arms Race Nutrition
36 ingredients · Other Combinations
On Market
Foundation Vanilla Waffle Cone
Arms Race Nutrition
40 ingredients · Other Combinations
On Market
Fountain of Youth Unflavored
Love Me Nutrition
8 ingredients · Amino acid/Protein
On Market
Four Gentleman Teapills
Plum Flower
9 ingredients · Botanical
On Market
Four Marvel Teapills
Plum Flower
9 ingredients · Botanical
On Market
Four Substances Teapills
Plum Flower
9 ingredients · Botanical
On Market
Fpms Female Health
Systemic Formulas Bio Function
11 ingredients · Other Combinations
On Market
Free & Easy Wanderer Plus Teapills
Plum Flower
15 ingredients · Botanical
On Market
Free & Easy Wanderer Plus Teapills
Plum Flower
15 ingredients · Botanical
On Market
Free & Easy Wanderer Teapills
Plum Flower
13 ingredients · Botanical
On Market
Free & Easy Wanderer Teapills
Plum Flower
13 ingredients · Botanical
On Market
Free Form Amino Caps
Douglas Laboratories
23 ingredients · Amino acid/Protein
On Market
Free Testosterone Booster
Nugenix
9 ingredients · Other Combinations
On Market
Free-Form L-Citrulline 750 mg
Zazzee Sports
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Free-Form Lysine 500 mg
Swanson
4 ingredients · Amino acid/Protein
On Market
Freeze Dried Acidophilus Probiotic
Solaray
10 ingredients · Non-Nutrient/Non-Botanical
On Market
Freeze Dried Lactobacillus Acidophilus
Nature's Blend
7 ingredients · Non-Nutrient/Non-Botanical
On Market
Freeze Dried Lactoferrin 250 mg
Jarrow Formulas
5 ingredients · Amino acid/Protein
On Market
Friendly Flora 5 Billion CFU
ProCaps Laboratories
9 ingredients · Non-Nutrient/Non-Botanical
On Market
Friendly Flora Probiotic 10 Billion CFU
ProCaps Laboratories
9 ingredients · Non-Nutrient/Non-Botanical
On Market
Friendly Flora Probiotic 10 Billion CFU
ProCaps
9 ingredients · Non-Nutrient/Non-Botanical
On Market
Frosted Cinnamon Caramel Crunch Nutrition Bars
iSatori
50 ingredients · Amino acid/Protein
On Market
Fu Fang Dan Shen Pian CardioVigor 200 mg
Guang Ci Tang
6 ingredients · Botanical
On Market
Fu Zi Li Zhong Pian Midwarmer 200 mg
Guang Ci Tang
9 ingredients · Botanical
On Market
Fu Zi Li Zhong Wan
Min Shan
9 ingredients · Botanical
On Market
Fucoidan Extract 500 mg
Swanson
4 ingredients · Non-Nutrient/Non-Botanical
On Market
Fucoxanthin 500mg
Naturgin Products USA
8 ingredients · Other Combinations
On Market
Fucoxanthin Plus
Vitabase
12 ingredients · Other Combinations
On Market
Fuel Cherry Berry
Momentous
29 ingredients · Other Combinations
On Market
Fuel Orange Mango
TeamKeto
17 ingredients · Other Combinations
On Market
Full Metal Jacket
Merica Labz
8 ingredients · Non-Nutrient/Non-Botanical
On Market
Full Metal Jacket
Merica Labz
8 ingredients · Non-Nutrient/Non-Botanical
On Market
Full Spectrum Acai 500 mg
Planetary Herbals
7 ingredients · Botanical with Nutrients
On Market
Full Spectrum Acai 500 mg
Planetary Herbals
7 ingredients · Botanical with Nutrients
On Market
Full Spectrum Andrographis Paniculata 400 mg
Swanson
5 ingredients · Botanical
On Market
Full Spectrum Antler Velvet 250 mg
Planetary Herbals
8 ingredients · Other Combinations
On Market
Full Spectrum Astragalus Extract 500 mg
Planetary Herbals
10 ingredients · Botanical
On Market
Full Spectrum Black Raspberry 425 mg
Swanson
6 ingredients · Botanical
On Market
Full Spectrum Black Walnut Hulls 500 mg
Swanson
4 ingredients · Botanical
On Market
Full Spectrum Blessed Thistle 400 mg
Swanson
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.