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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

Reguloid Sugar Free Regular Flavor
Rugby
12 ingredients · Botanical with Nutrients
On Market
Rehab Summer Punch
Millecor
20 ingredients · Mineral
On Market
Rehmannia Endurance
Planetary Herbals
18 ingredients · Botanical with Nutrients
On Market
Reishi Mushroom
Wonder Laboratories
3 ingredients · Non-Nutrient/Non-Botanical
On Market
Reishi Mushroom
Wonder Laboratories
3 ingredients · Non-Nutrient/Non-Botanical
On Market
Reishi Mushroom
Wonder Laboratories
3 ingredients · Non-Nutrient/Non-Botanical
On Market
Reishi Mushroom
Wonder Laboratories
3 ingredients · Non-Nutrient/Non-Botanical
On Market
Reishi Mushroom
Wonder Laboratories
3 ingredients · Non-Nutrient/Non-Botanical
On Market
Reishi Mushroom
Wonder Laboratories
3 ingredients · Botanical
On Market
Reishi Mushroom
Wonder Laboratories
3 ingredients · Botanical
On Market
Reishi Mushroom 3600 mg
NusaPure
5 ingredients · Botanical
On Market
Reishi Mushroom 600 mg
Swanson
6 ingredients · Non-Nutrient/Non-Botanical
On Market
Reishi Mushroom Extract 500 mg
Swanson
6 ingredients · Botanical
On Market
Rejuvenaid Pomegranate Citrus Flavor
Nature's Sunshine
36 ingredients · Botanical with Nutrients
On Market
Rejuvenate Plus for Women
Nutrients for Health
15 ingredients · Other Combinations
On Market
Relacore Extra
CRC The Carter-Reed Company
29 ingredients · Other Combinations
On Market
Relax & Sleep
Swisse Ultiboost
9 ingredients · Botanical with Nutrients
On Market
Relax & Unwind Mixed berry flavour
Higher Nature for Kids
17 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Relax + Calm Magnesium Blackberry Hibiscus Oasis
MegaFood
7 ingredients · Mineral
On Market
Relax + Calm Magnesium Blackberry Hibiscus Oasis
MegaFood
7 ingredients · Mineral
On Market
Relax + Calm Magnesium Raspberry Lemonade
MegaFood
7 ingredients · Mineral
On Market
Relax + Calm Magnesium Raspberry Lemonade
MegaFood
7 ingredients · Mineral
On Market
Relax + Calm Magnesium Soft Chews Grape Flavor
MegaFood
17 ingredients · Mineral
On Market
Relax + Calm Magnesium Soft Chews Grape Flavor
MegaFood
18 ingredients · Mineral
On Market
Relax Sleep Formula
CATALO
23 ingredients · Other Combinations
On Market
Relax+ Ultimate Calm
Natrol
8 ingredients · Other Combinations
On Market
Relax-a-Saurus Grape
KAL Dinosaurs
15 ingredients · Other Combinations
On Market
Relax-ALL Magnesium Hibiscus Infused Yuzu Flavor
MRM Nutrition
4 ingredients · Mineral
On Market
Relax-ALL Magnesium Raspberry Infused Dragon Fruit Flavor
MRM Nutrition
4 ingredients · Mineral
On Market
Relax-ALL Magnesium Unflavored
MRM Nutrition
2 ingredients · Mineral
On Market
Relaxation Support
Vitabase
15 ingredients · Other Combinations
On Market
Relaxing Sleep Fast Dissolve Tablets Apple Berry
OLLY
12 ingredients · Non-Nutrient/Non-Botanical
On Market
RelaxMax Natural Cherry Flavor
XYMOGEN
10 ingredients · Other Combinations
On Market
Relief Next Morning Aid
Cheers
11 ingredients · Other Combinations
On Market
Reload Recovery Matrix Grape Berry Crush
NutraBio
29 ingredients · Other Combinations
On Market
Reload Recovery Matrix Kiwi Strawberry
NutraBio
29 ingredients · Other Combinations
On Market
Reload Recovery Matrix Orange Mango
NutraBio
30 ingredients · Other Combinations
On Market
Reload Recovery Matrix Passion Fruit
NutraBio
29 ingredients · Other Combinations
On Market
Reload Recovery Matrix Strawberry Lemon Bomb
NutraBio
31 ingredients · Other Combinations
On Market
Relora 250 mg
Nature's Harmony
9 ingredients · Other Combinations
On Market
REMfresh Extra Strength
Physician's Seal
18 ingredients · Non-Nutrient/Non-Botanical
On Market
REMfresh Extra Strength
Physician's Seal
18 ingredients · Non-Nutrient/Non-Botanical
On Market
REMfresh Extra Strength
REMfresh
18 ingredients · Non-Nutrient/Non-Botanical
On Market
REMfresh Extra Strength
REMfresh
18 ingredients · Non-Nutrient/Non-Botanical
On Market
REMfresh Extra Strength
REMfresh
18 ingredients · Non-Nutrient/Non-Botanical
On Market
REMfresh Extra Strength Advanced Ion-Powered Melatonin
REMfresh
18 ingredients · Non-Nutrient/Non-Botanical
On Market
REMfresh LITE
Physician's Seal
19 ingredients · Non-Nutrient/Non-Botanical
On Market
REMfresh Lite
REMfresh
19 ingredients · Non-Nutrient/Non-Botanical
On Market
REMfresh Max Strength
REMfresh
16 ingredients · Non-Nutrient/Non-Botanical
On Market
REMfresh Max Strength
REMfresh
16 ingredients · Non-Nutrient/Non-Botanical
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.