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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

Five Flavor Teapills
Plum Flower
10 ingredients · Botanical
On Market
Five Peel Teapills
Plum Flower
11 ingredients · Botanical
On Market
Fizzy Mag Tasty Lemon Lime Flavor
Little DaVinci
11 ingredients · Botanical with Nutrients
On Market
Flashes No More
Allergy Research Group
9 ingredients · Botanical with Nutrients
On Market
Flax Seed Powder
NutriCology
13 ingredients · Botanical with Nutrients
On Market
Flex Freak Ff Packs
PharmaFreak
27 ingredients · Other Combinations
On Market
Flex6 Fitness
Anovite
17 ingredients · Other Combinations
On Market
FlexiJoint Formula
CATALO
17 ingredients · Fat/Fatty Acid
On Market
Flintstones + Immunity Support
Bayer
37 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Floradapt Cardio Probiotic
Kaneka
8 ingredients · Non-Nutrient/Non-Botanical
On Market
Floraglo Lutein 40 mg
Windmill
5 ingredients · Non-Nutrient/Non-Botanical
On Market
FloraSure Probiotic 20 Billion CFU
EuroMedica
9 ingredients · Non-Nutrient/Non-Botanical
On Market
FloraSure Probiotic 20 Billion CFU
Terry Naturally
9 ingredients · Non-Nutrient/Non-Botanical
On Market
FloraVantage Balance Probiotic
Bariatric Advantage
7 ingredients · Non-Nutrient/Non-Botanical
On Market
FloraVantage Control Probiotic
Bariatric Advantage Innovations
5 ingredients · Non-Nutrient/Non-Botanical
On Market
FloraVantage Control Probiotic
Healthy Transformation
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Fluoride Chewable Tablets (Sodium Fluoride) 0.25 mg
Cypress Pharmaceutical
9 ingredients · Mineral
On Market
Flush Free Niacin 500 mg
Foods Plus
8 ingredients · Vitamin
On Market
Flush Free Niacin 500 mg
NusaPure
6 ingredients · Vitamin
On Market
Flush-Free Niacin
Integrative Therapeutics
4 ingredients · Vitamin
On Market
Flush-Free Niacin 500 mg
Bluebonnet
6 ingredients · Vitamin
On Market
Flush-Free Niacin 500 mg
Bluebonnet
6 ingredients · Vitamin
On Market
Flush-Free Niacin 500 mg
Longevity Medical Clinic
8 ingredients · Other Combinations
On Market
FM Support Pack
Douglas Laboratories
51 ingredients · Other Combinations
On Market
Focal Point Plus Fast-Acting
Doctors' Preferred
5 ingredients · Other Combinations
On Market
Focus & Energy
BrainMD
16 ingredients · Botanical with Nutrients
On Market
Focus & Memory
GNC Preventive Nutrition
19 ingredients · Other Combinations
On Market
Focus Chewable Tasty Orange Flavor
Little DaVinci
15 ingredients · Other Combinations
On Market
Focus Complex With Neuro-PS
Vitamin World
35 ingredients · Other Combinations
On Market
Focus Factor Kids Berry Blast Flavor!
Focus Factor
22 ingredients · Other Combinations
On Market
Focus Factor Max Strength
Focus Factor
50 ingredients · Other Combinations
On Market
Focus Factor Pro Max Nootropic
Focus Factor
20 ingredients · Other Combinations
On Market
Focus Formula
Vitabase
65 ingredients · Other Combinations
On Market
Focus Formula
Focus Formula
28 ingredients · Other Combinations
On Market
Focus MaculaPro
Covalent Medical
13 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Focus MaculaPro
Covalent Medical
13 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Focus MaculaPro + Lutein
Covalent Medical
14 ingredients · Non-Nutrient/Non-Botanical
On Market
Focus Max Two
Maxi Health
17 ingredients · Other Combinations
On Market
Focused Attention
Swanson
6 ingredients · Botanical
On Market
FocusFactor For Kids
FOCUSfactor
16 ingredients · Other Combinations
On Market
Folate 1,333 mcg DFE (800 mcg Folic Acid)
Country Life
6 ingredients · Vitamin
On Market
Folate 1,667 mcg DFE Orange Blast
EZ Melts
6 ingredients · Vitamin
On Market
Folate 1333 mcg DFE
Puritan's Pride
6 ingredients · Vitamin
On Market
Folate 1333 mcg DFE
Puritan's Pride
6 ingredients · Vitamin
On Market
Folate 666 mcg DFE
Puritan's Pride
6 ingredients · Vitamin
On Market
Folgard OS Tablets
Upsher-Smith
7 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Folgard RX Tablets
Upsher-Smith
20 ingredients · Vitamin
On Market
Folgard Tablets
Upsher-Smith
24 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Folic Acid & B12
Swanson
6 ingredients · Vitamin
On Market
Folic Acid 1 mg
Nature's Harmony
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.