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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

Matcha Spirulina Chlorella Capsules with CBD
Pharma Hemp Complex
6 ingredients · Botanical
On Market
Maternal Symmetry
Vitanica
31 ingredients · Botanical with Nutrients
On Market
Matrix 1.0 Milk Chocolate
Syntrax
26 ingredients · Amino acid/Protein
On Market
Matrix 1.0 Milk Chocolate
Syntrax
37 ingredients · Amino acid/Protein
On Market
Matrix 1.0 Simply Vanilla
Syntrax
25 ingredients · Amino acid/Protein
On Market
Matrix 1.0 Simply Vanilla
Syntrax
25 ingredients · Amino acid/Protein
On Market
Matrix 2.0 Bananas & Cream
Syntrax
25 ingredients · Amino acid/Protein
On Market
Matrix 2.0 Bananas & Cream
Syntrax
27 ingredients · Amino acid/Protein
On Market
Matrix 2.0 Cookies & Cream
Syntrax
26 ingredients · Amino acid/Protein
On Market
Matrix 2.0 Cookies & Cream
Syntrax
46 ingredients · Amino acid/Protein
On Market
Matrix 2.0 Milk Chocolate
Syntrax
25 ingredients · Amino acid/Protein
On Market
Matrix 2.0 Milk Chocolate
Syntrax
26 ingredients · Amino acid/Protein
On Market
Matrix 2.0 Milk Chocolate
Syntrax
28 ingredients · Amino acid/Protein
On Market
Matrix 2.0 Mint Cookie
Syntrax
25 ingredients · Amino acid/Protein
On Market
Matrix 2.0 Mint Cookie
Syntrax
26 ingredients · Amino acid/Protein
On Market
Matrix 2.0 Orange Cream
Syntrax
25 ingredients · Amino acid/Protein
On Market
Matrix 2.0 Orange Cream
Syntrax
27 ingredients · Amino acid/Protein
On Market
Matrix 2.0 Peanut Butter Cookie
Syntrax
27 ingredients · Amino acid/Protein
On Market
Matrix 2.0 Peanut Butter Cookie
Syntrax
27 ingredients · Amino acid/Protein
On Market
Matrix 2.0 Peanut Butter Cookie
Syntrax
40 ingredients · Amino acid/Protein
On Market
Matrix 2.0 Perfect Chocolate
Syntrax
26 ingredients · Amino acid/Protein
On Market
Matrix 2.0 Perfect Chocolate
Syntrax
28 ingredients · Amino acid/Protein
On Market
Matrix 2.0 Simply Vanilla
Syntrax
25 ingredients · Amino acid/Protein
On Market
Matrix 2.0 Simply Vanilla
Syntrax
27 ingredients · Amino acid/Protein
On Market
Matrix 2.0 Strawberry Cream
Syntrax
25 ingredients · Amino acid/Protein
On Market
Matrix 2.0 Strawberry Cream
Syntrax
26 ingredients · Amino acid/Protein
On Market
Matrix 2.0 Strawberry Cream
Syntrax
27 ingredients · Amino acid/Protein
On Market
Matrix 5.0 Bananas & Cream
Syntrax
25 ingredients · Amino acid/Protein
On Market
Matrix 5.0 Cookies & Cream
Syntrax
25 ingredients · Amino acid/Protein
On Market
Matrix 5.0 Milk Chocolate
Syntrax
26 ingredients · Amino acid/Protein
On Market
Matrix 5.0 Mint Cookie
Syntrax
25 ingredients · Amino acid/Protein
On Market
Matrix 5.0 Orange Cream
Syntrax
24 ingredients · Amino acid/Protein
On Market
Matrix 5.0 Peanut Butter Cookie
Syntrax
27 ingredients · Amino acid/Protein
On Market
Matrix 5.0 Perfect Chocolate
Syntrax
26 ingredients · Amino acid/Protein
On Market
Matrix 5.0 Simply Vanilla
Syntrax
25 ingredients · Amino acid/Protein
On Market
Matrix 5.0 Strawberry Cream
Syntrax
26 ingredients · Amino acid/Protein
On Market
Matrix Plus 3000
Elon
13 ingredients · Other Combinations
On Market
Max For Men Iron Free
Country Life
49 ingredients · Other Combinations
On Market
Max For Men Iron Free
Country Life
49 ingredients · Other Combinations
On Market
Max for Women Iron Free
Country Life
41 ingredients · Other Combinations
On Market
Max ProDentim
S.O Labs
8 ingredients · Non-Nutrient/Non-Botanical
On Market
Max Reps Elite
OmneDiem Performance
4 ingredients · Non-Nutrient/Non-Botanical
On Market
Max Strength Ashwagandha 450 mg
Horbaach
6 ingredients · Botanical
On Market
Max-C-Bio 600
Maxi Health
23 ingredients · Other Combinations
On Market
MaxAmino 1200
Vitabase
29 ingredients · Amino acid/Protein
On Market
MaxAmino 1200
Vitabase
29 ingredients · Amino acid/Protein
On Market
Maxi 7M Supreme
Maxi Health
13 ingredients · Other Combinations
On Market
Maxi Allergy Support
Maxi Health
20 ingredients · Other Combinations
On Market
Maxi B12 Natural Berry Flavor
Maxi Health
18 ingredients · Vitamin
On Market
Maxi Biotin 5000
Maxi Health
5 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.