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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

L-Tyrosine 500 mg
Swanson
5 ingredients · Amino acid/Protein
On Market
L-Tyrosine 500 mg
Bluebonnet
5 ingredients · Amino acid/Protein
On Market
L-Tyrosine 500 mg
Bluebonnet
5 ingredients · Amino acid/Protein
On Market
L-Tyrosine 500 mg
Puritan's Pride Premium
4 ingredients · Amino acid/Protein
On Market
L-Tyrosine 500 mg
Source Naturals
8 ingredients · Amino acid/Protein
On Market
L-Tyrosine 500 mg
Nature's Craft
9 ingredients · Amino acid/Protein
On Market
L-Tyrosine 500 mg
California Gold Nutrition
5 ingredients · Amino acid/Protein
On Market
L-Tyrosine 500 mg
Jarrow Formulas
5 ingredients · Amino acid/Protein
On Market
L-Tyrosine 500 mg
AN Amazing Nutrition Amazing Formulas
3 ingredients · Amino acid/Protein
On Market
L-Tyrosine 500 mg
Solaray
3 ingredients · Amino acid/Protein
On Market
L2 Extreme Water Loss
Cellucor
14 ingredients · Other Combinations
On Market
Lactase Digest
Source Naturals
6 ingredients · Non-Nutrient/Non-Botanical
On Market
Lactase Enzyme
Nature's Way
4 ingredients · Non-Nutrient/Non-Botanical
On Market
Lactase Enzyme Formula
Nature's Way
4 ingredients · Non-Nutrient/Non-Botanical
On Market
Lactase Enzyme Formula
Nature's Way
4 ingredients · Non-Nutrient/Non-Botanical
On Market
Lactobacillus Gasseri 3 Billion CFU
Swanson
6 ingredients · Non-Nutrient/Non-Botanical
On Market
Lactobacillus reuteri LRC 5 Billion CFU with Vitamin D
HealthyBiom
10 ingredients · Other Combinations
On Market
Lactobacillus rhamnosus with FOS
Swanson
6 ingredients · Other Combinations
On Market
Lactobacillus Tablets
Marlex Pharmaceuticals
10 ingredients · Non-Nutrient/Non-Botanical
On Market
Lactobacillus Tablets
Health Star
13 ingredients · Non-Nutrient/Non-Botanical
On Market
LactoBif 100 Probiotics 100 Billion CFU
California Gold Nutrition
13 ingredients · Non-Nutrient/Non-Botanical
On Market
LactoBif 30 Probiotics 30 Billion CFU
California Gold Nutrition
13 ingredients · Non-Nutrient/Non-Botanical
On Market
LactoBif 5 Probiotics 5 Billion CFU
California Gold Nutrition
13 ingredients · Non-Nutrient/Non-Botanical
On Market
LactoBif 5 Probiotics 5 Billion CFU
California Gold Nutrition
13 ingredients · Non-Nutrient/Non-Botanical
On Market
Lactoferrin 100 mg
Ecological Formulas
5 ingredients · Amino acid/Protein
On Market
Lactoferrin 250 mg
Best Naturals
5 ingredients · Amino acid/Protein
On Market
Lactoferrin 250 mg
Double Wood Supplements
5 ingredients · Amino acid/Protein
On Market
Lactoferrin 250 mg
Jarrow Formulas
5 ingredients · Amino acid/Protein
On Market
Lactoferrin 500 mg
Vitamatic
4 ingredients · Amino acid/Protein
On Market
Ladies' Choice
Bluebonnet
54 ingredients · Other Combinations
On Market
Ladies' One 40+
Bluebonnet
60 ingredients · Other Combinations
On Market
Ladies' One 40+
Bluebonnet
60 ingredients · Other Combinations
On Market
Ladies' One Prenatal
Bluebonnet
46 ingredients · Other Combinations
On Market
Ladies' One Prenatal
Bluebonnet
49 ingredients · Botanical with Nutrients
On Market
Ladies' Probiotic & Cranberry
Bluebonnet
15 ingredients · Other Combinations
On Market
Ladies' Probiotic & Cranberry
Bluebonnet
15 ingredients · Other Combinations
On Market
LadyBiotic UTH
Vinco
13 ingredients · Non-Nutrient/Non-Botanical
On Market
Last Shot of the Night
The Plug
40 ingredients · Botanical with Nutrients
On Market
Lavender Flower
Swanson
5 ingredients · Botanical
On Market
Laxative Caplets
Bayer Phillips'
11 ingredients · Mineral
On Market
Laxative Cleanse
NOW
16 ingredients · Botanical with Nutrients
On Market
Laxative Magnesium 500 mg
Equate
13 ingredients · Mineral
On Market
Lb LDL Benefit
PRN Physician Recommended Nutriceuticals
7 ingredients · Non-Nutrient/Non-Botanical
On Market
Lean Body Chocolate Ice Cream Flavor
Labrada Nutrition
42 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Lean Body Chocolate Ice Cream Flavor
Labrada Nutrition
42 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Lean Body Chocolate Ice Cream Flavor
Labrada Nutrition
42 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Lean Body Chocolate Peanut Butter Flavor
Labrada Nutrition
41 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Lean Body Cinnamon Bun Flavor
Labrada Nutrition
42 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Lean Body For Her Delicious Soft Chocolate Ice Cream Flavor
Labrada Nutrition
42 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Lean Body For Her Delicious Soft Chocolate Ice Cream Flavor
Labrada Nutrition
42 ingredients · Multi-Vitamin and Mineral (MVM)
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.