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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

KalmAssure Magnesium Powder 420 mg Refreshing Pink Lemonade
NaturesPlus
11 ingredients · Mineral
On Market
Kang Gu Zeng Sheng Tablets
Plum Flower
12 ingredients · Botanical
On Market
Kang Zhong Pian Cellpurger 200 mg
Guang Ci Tang
10 ingredients · Botanical
On Market
Karbolic Super-Premium Muscle Fuel Orange Burst
PS ProSupps
38 ingredients · Other Combinations
On Market
Karbolic Super-Premium Muscle Fuel Power Punch
PS ProSupps
38 ingredients · Other Combinations
On Market
Karbolic Super-Premium Muscle Fuel Strawberry Popsicle
PS ProSupps
40 ingredients · Other Combinations
On Market
Karbolic Super-Premium Muscle Fuel Strawberry Popsicle
PS ProSupps
38 ingredients · Other Combinations
On Market
Kava Kava Extract 250 mg
NOW
6 ingredients · Botanical
On Market
Kava Kava Extract 250 mg
NOW
6 ingredients · Botanical
On Market
Kava Kava Extract 50 mg
Botanic Choice
8 ingredients · Botanical with Nutrients
On Market
KDIR Fluidren
Systemic Formulas Bio Challenge
15 ingredients · Botanical with Nutrients
On Market
KELA Cell Lite
Life Zone
6 ingredients · Mineral
On Market
Kelp (Iodine) 150 mcg
Nature's Blend
7 ingredients · Mineral
On Market
Kenzen Vital Balance Meal Replacement Mix Natural Vanilla Flavor
Nikken Wellness
78 ingredients · Other Combinations
On Market
Keratin 500 mg
Double Wood Supplements
3 ingredients · Amino acid/Protein
On Market
Keto & Fasting Electrolytes Advanced Formula
Swiss BioEnergetics
10 ingredients · Mineral
On Market
Keto +BioPerine
Approved Science
8 ingredients · Botanical with Nutrients
On Market
Keto +Plus Raspberry Lemonade
SR Sports Research
23 ingredients · Other Combinations
On Market
Keto Advantage Keto Burn
Justified Laboratories
10 ingredients · Other Combinations
On Market
Keto BHB 800 mg
Fully Flora Peak Performance
8 ingredients · Non-Nutrient/Non-Botanical
On Market
Keto BHB Patriot-Pop
KetoLogic
15 ingredients · Non-Nutrient/Non-Botanical
On Market
Keto BHB Pro Blend
Totally Products
12 ingredients · Non-Nutrient/Non-Botanical
On Market
Keto BHB Salts
High Level
9 ingredients · Non-Nutrient/Non-Botanical
On Market
Keto Blast Max
Justified Laboratories
10 ingredients · Other Combinations
On Market
Keto Bomb Caramel Macchiato
BPI Sports
25 ingredients · Other Combinations
On Market
Keto Burn Diet Pills
Justified Laboratories
10 ingredients · Other Combinations
On Market
Keto Carb Cheater
Keto Science
10 ingredients · Botanical with Nutrients
On Market
Keto Clean Max
Justified Laboratories
18 ingredients · Botanical with Nutrients
On Market
Keto Collagen Birthday Cake
Kiss My Keto
19 ingredients · Amino acid/Protein
On Market
Keto Crave Keto
Justified Laboratories
20 ingredients · Botanical with Nutrients
On Market
Keto Creamer Chocolate
Kiss My Keto
18 ingredients · Fat/Fatty Acid
On Market
Keto Electrolyte Drops
Trace Minerals
11 ingredients · Mineral
On Market
Keto Electrolyte Powder Lemon Lime
Trace Minerals
10 ingredients · Mineral
On Market
Keto Electrolyte Tablets
Trace Minerals
19 ingredients · Botanical with Nutrients
On Market
Keto Electrolytes
Codeage
6 ingredients · Mineral
On Market
Keto Fat Burner
Outsup
18 ingredients · Other Combinations
On Market
Keto GT Extra Strength
Platinum 500
12 ingredients · Other Combinations
On Market
Keto IV Unflavored Minerals
Adapted Nutrition
18 ingredients · Mineral
On Market
Keto K-Caps Natural
Adapted Nutrition
7 ingredients · Mineral
On Market
Keto K1000 Lemonade
Adapted Nutrition
10 ingredients · Mineral
On Market
Keto Meal Shake Chocolate Cream
Keto Science
52 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Keto Rush Keto
Justified Laboratories
20 ingredients · Botanical with Nutrients
On Market
Keto Thrive Keto Extreme
Justified Laboratories
18 ingredients · Botanical with Nutrients
On Market
Keto Ultra BHB
Justified Laboratories
10 ingredients · Other Combinations
On Market
Keto Weight Loss Elite
BPI Sports
12 ingredients · Other Combinations
On Market
Ketoglow Keto
Justified Laboratories
20 ingredients · Botanical with Nutrients
On Market
Ketones Lemon Flavored
Keto Science
15 ingredients · Other Combinations
On Market
Key Keto Strawberry Lemonade
Key Nutrients
15 ingredients · Non-Nutrient/Non-Botanical
On Market
Key Minerals from Land & Sea
Onnit
11 ingredients · Mineral
On Market
Kid Cal Orange U Delicious
NOW Kids
18 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.