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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

Ox Bile 125 mg
Nutricost
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Ox Bile 500 mg
Nutricost
4 ingredients · Non-Nutrient/Non-Botanical
On Market
Oxy-5000 Forte
AB American Biologics
13 ingredients · Other Combinations
On Market
Oxy-5000 Forte
AB American Biologics
13 ingredients · Other Combinations
On Market
Oxy-Plus Colon Cleanser
AN American Nutriceuticals
7 ingredients · Other Combinations
On Market
Oxy-Plus Colon Cleanser
AN American Nutriceuticals
6 ingredients · Other Combinations
On Market
Oxygen Cleanse
The Vitamin Shoppe
5 ingredients · Mineral
On Market
Oxygen Cleanse
The Vitamin Shoppe
5 ingredients · Mineral
On Market
Oxygen Extreme
Timeless Prescription
12 ingredients · Botanical with Nutrients
On Market
OxyNutrients Electron Transport Formula
Allergy Research Group
13 ingredients · Other Combinations
On Market
Oyster Extract
Everyday Health
3 ingredients · Non-Nutrient/Non-Botanical
On Market
Oyster Shell Calcium
Pharbest
13 ingredients · Mineral
On Market
Oyster Shell Calcium & Magnesium
Nature's Blend
12 ingredients · Mineral
On Market
Oyster Shell Calcium 500 mg
Windmill
10 ingredients · Mineral
On Market
Oyster Shell Calcium 500 mg
Pharbest
13 ingredients · Mineral
On Market
Oyster Shell Calcium 500 mg
Bronson
7 ingredients · Mineral
On Market
Oyster Shell Calcium 500 mg
Nature's Blend
7 ingredients · Mineral
On Market
Oyster Shell Calcium 500 mg
Geri-Care
23 ingredients · Mineral
On Market
P 100% Plant Protein Vanilla Flavor
Biochem
26 ingredients · Amino acid/Protein
On Market
P+ 100% Plant Protein Lean Vanilla Flavor
Biochem
30 ingredients · Botanical with Nutrients
On Market
P+ 100% Plant Protein Mood Vanilla Flavor
Biochem
29 ingredients · Botanical with Nutrients
On Market
P-5-P Complex
BioCare
11 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
P.E.A.k Relief
AOR Advanced Orthomolecular Research Advanced
11 ingredients · Other Combinations
On Market
P.M. Relaxation
ProCaps Laboratories
15 ingredients · Other Combinations
On Market
P90X Results And Recovery Formula Smooth Orange
Beachbody
46 ingredients · Amino acid/Protein
On Market
PABA 1,000 mg
Country Life
7 ingredients · Non-Nutrient/Non-Botanical
On Market
PABA 1000 mg Sustained Release
NaturesPlus
8 ingredients · Non-Nutrient/Non-Botanical
On Market
PABA 700 mg Timed Release
Solaray
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Painfree Chocolate Classic Chai Flavor
The Functional Chocolate Company
36 ingredients · Other Combinations
On Market
PaleoCleanse Functional Detoxification Powder
Designs for Health
58 ingredients · Other Combinations
On Market
PaleoMeal Natural Chocolate Flavor
Designs for Health
49 ingredients · Other Combinations
On Market
PaleoMeal Natural Chocolate Flavor
Designs for Health
49 ingredients · Other Combinations
On Market
PaleoMeal Natural Strawberry Flavor
Designs for Health
52 ingredients · Other Combinations
On Market
PaleoMeal Natural Vanilla Flavor Unsweetened
Designs for Health
47 ingredients · Other Combinations
On Market
PaleoMeal Natural Vanilla Flavor Unsweetened
Designs for Health
47 ingredients · Other Combinations
On Market
PaleoMeal-DF Natural Berry Flavor
Designs for Health
47 ingredients · Other Combinations
On Market
Palmetto-Plus
Biotics Research Corporation
15 ingredients · Other Combinations
On Market
Pan-8-Supreme
Cardiovascular Research
9 ingredients · Non-Nutrient/Non-Botanical
On Market
Panax Ginseng
Everyday Health
3 ingredients · Botanical
On Market
Panax Ginseng 1000 mg
aSquared Nutrition
4 ingredients · Botanical
On Market
Panax Ginseng 500 mg
Herbal Secrets
4 ingredients · Botanical
On Market
Pancreas Natural Glandular (Pork)
Allergy Research Group
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Pancreas Natural Glandular (Pork)
Allergy Research Group
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Pancreatin 1000 mg
NaturesPlus
11 ingredients · Non-Nutrient/Non-Botanical
On Market
Pantethine Sublingual
Source Naturals
6 ingredients · Vitamin
On Market
Pantomax Supreme
Maxi Health
5 ingredients · Vitamin
On Market
Pantothenic + C
Advanced Nutrition by Zahler
4 ingredients · Vitamin
On Market
Pantothenic Acid
Genestra Brands
4 ingredients · Vitamin
On Market
Pantothenic Acid
Nature's Sunshine
6 ingredients · Vitamin
On Market
Pantothenic Acid 100 mg
Source Naturals
8 ingredients · Vitamin
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.