Skip to main content

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
Subscribe to updates

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

Mdrive Testosterone Support
DreamBrands
22 ingredients · Other Combinations
On Market
Meal Replacement Cake Batter
MET-Rx
52 ingredients · Amino acid/Protein
On Market
Meal Replacement Shake Vanilla Flavored
Beachbody Nutritionals
67 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Meal Replacement Whey Protein Powder Chocolate Flavor
NewtonEverett
27 ingredients · Amino acid/Protein
On Market
Medical Prenatal
Perry
21 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
MediClear Orange Vanilla Flavored
Thorne
58 ingredients · Other Combinations
On Market
MediClear-SGS Chocolate Flavored
Thorne
63 ingredients · Other Combinations
On Market
MediClear-SGS Vanilla Flavored
Thorne
58 ingredients · Other Combinations
On Market
Mega Acidophilus
Foster Regal
9 ingredients · Non-Nutrient/Non-Botanical
On Market
Mega Acidophilus
Wonder Labs
10 ingredients · Other Combinations
On Market
Mega B-100 Sustained Release
NaturesPlus
21 ingredients · Other Combinations
On Market
Mega B-12 Dots 5000 mcg
Twinlab
8 ingredients · Other Combinations
On Market
Mega Bio-C Formula
Bluebonnet
9 ingredients · Other Combinations
On Market
Mega Biotin 5000
Justified Laboratories
15 ingredients · Botanical with Nutrients
On Market
Mega Biotin 5000 mcg
Wonder Laboratories
4 ingredients · Vitamin
On Market
Mega Biotin 5000 mcg
Wonder Laboratories
4 ingredients · Vitamin
On Market
Mega Chromium
Wonder Laboratories
5 ingredients · Mineral
On Market
Mega Chromium
Wonder Laboratories
5 ingredients · Mineral
On Market
Mega Chromium
Wonder Laboratories
5 ingredients · Mineral
On Market
Mega Chromium
Wonder Laboratories
4 ingredients · Mineral
On Market
Mega Chromium Picolinate 800 mcg
DC
6 ingredients · Mineral
On Market
Mega Citrimax
Twinlab
5 ingredients · Botanical with Nutrients
On Market
Mega D3 & K2 + Turmeric Extract
Irwin Naturals
27 ingredients · Botanical with Nutrients
On Market
Mega Daily 4 for Women
Nikken Wellness Kenzen
50 ingredients · Other Combinations
On Market
Mega Garlic Plus
Herbalife
22 ingredients · Botanical with Nutrients
On Market
Mega Immune Complex
Nature's Lab
6 ingredients · Botanical with Nutrients
On Market
Mega Lactophilus
DC
10 ingredients · Other Combinations
On Market
Mega Lipoic Forte
DC
5 ingredients · Other Combinations
On Market
Mega M. S. M.
DC
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Mega Magnesium
VitaCeutical Labs
5 ingredients · Mineral
On Market
Mega Men 50 Plus
GNC Mega Men
39 ingredients · Other Combinations
On Market
Mega Men Citrus
GNC Mega Men
53 ingredients · Other Combinations
On Market
Mega Men Energy & Metabolism Multivitamin
GNC Mega Men
56 ingredients · Other Combinations
On Market
Mega Men Essentials 50 Plus One Daily
GNC Mega Men
59 ingredients · Other Combinations
On Market
Mega Men Multivitamin
GNC Mega Men
101 ingredients · Other Combinations
On Market
Mega Men Multivitamin
GNC Mega Men
87 ingredients · Other Combinations
On Market
Mega Men Multivitamin
GNC Mega Men
88 ingredients · Other Combinations
On Market
Mega Men Multivitamin
GNC Mega Men
64 ingredients · Other Combinations
On Market
Mega Men Multivitamin
GNC Mega Men
79 ingredients · Other Combinations
On Market
Mega Men Sport
GNC Mega Men
57 ingredients · Other Combinations
On Market
Mega Men Sport
GNC Mega Men
56 ingredients · Other Combinations
On Market
Mega Men Sport
GNC Mega Men
57 ingredients · Other Combinations
On Market
Mega Men Sport (Full Strength)
GNC Pro Performance AMP Advanced Muscle Performance
57 ingredients · Other Combinations
On Market
Mega Men Sport (Full Strength)
GNC Pro Performance AMP
57 ingredients · Other Combinations
On Market
Mega Men Sport Multivitamin
GNC AMP Advanced Muscle Performance
84 ingredients · Other Combinations
On Market
Mega Men Sport Multivitamin
GNC AMP Advanced Muscle Performance
87 ingredients · Other Combinations
On Market
Mega Men Sport Multivitamin
GNC Mega Men
64 ingredients · Other Combinations
On Market
Mega Men Sport Multivitamin
GNC AMP Advanced Muscle Performance
85 ingredients · Other Combinations
On Market
Mega Men Sport Multivitamin
GNC AMP Advanced Muscle Performance
64 ingredients · Other Combinations
On Market
Mega Minerals With D
Bronson
17 ingredients · Other Combinations
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.