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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

Sustained plus Immediate Release L-Arginine 500 mg
Doctor's Best
7 ingredients · Amino acid/Protein
On Market
Sustained Release C 1500 with Rose Hips
Windmill Natural Vitamins
12 ingredients · Botanical with Nutrients
On Market
Sustained Release C-500
Windmill
8 ingredients · Vitamin
On Market
Sustained Release C-500 (Ascorbic Acid)
Windmill Natural Vitamins
8 ingredients · Vitamin
On Market
Sustained Release C1000 Ascorbic Acid
Windmill
11 ingredients · Vitamin
On Market
Sustained Release C1000 with Rose Hips
Windmill Natural Vitamins
8 ingredients · Botanical with Nutrients
On Market
Sustained Release Melatonin
Allergy Research Group
6 ingredients · Non-Nutrient/Non-Botanical
On Market
Sustained Release Niacin 500 mg
Bronson
7 ingredients · Vitamin
On Market
Sustained Release Niacin 500 mg
Bronson
7 ingredients · Vitamin
On Market
Sustained Release Potassium 99 mg
IVL Institute For Vibrant Living
5 ingredients · Mineral
On Market
Sustained Release VitalMag
Shaklee
8 ingredients · Mineral
On Market
Sustained Release Vitamin B1 300 mg
NaturesPlus
6 ingredients · Vitamin
On Market
Sustained Release Vitamin B12 1000 mcg
Bronson
7 ingredients · Vitamin
On Market
Sustained Release Vitamin C 500 mg
Bronson Laboratories
8 ingredients · Vitamin
On Market
Sustained Release Vitamin C-1,000 mg with Rose Hips
Newflower Farmers Markets
5 ingredients · Vitamin
On Market
Sustained Release Vitamin C-500 With Rose Hips
Windmill
9 ingredients · Botanical with Nutrients
On Market
Sustained-Release Niacin with niaXtend 500 mg
Doctor's Best
6 ingredients · Vitamin
On Market
Swedish Flower Pollen
Source Naturals
9 ingredients · Botanical with Nutrients
On Market
Swedish Flower Pollen
Source Naturals
9 ingredients · Botanical with Nutrients
On Market
Sweet Relief Glycogen Support Extreme
Justified Laboratories
27 ingredients · Other Combinations
On Market
Synergistic Nail Complex
MH Michael's Health Naturopathic Programs
30 ingredients · Other Combinations
On Market
Synetrim CQ Advantage
Indiana Botanic Gardens
7 ingredients · Botanical
On Market
Syngex Serious Chocolate
VPX
21 ingredients · Amino acid/Protein
On Market
Syngex Vanilla Dream
VPX
20 ingredients · Amino acid/Protein
On Market
SynovX Metabolic
XYMOGEN
9 ingredients · Other Combinations
On Market
Syntha-6 Vanilla Ice Cream
BSN
30 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
System Cleanse
Vita Logic
23 ingredients · Botanical with Nutrients
On Market
System Cleanse
Fully Flora
23 ingredients · Botanical with Nutrients
On Market
Systemic Enzyme Blend
Vitabase
15 ingredients · Non-Nutrient/Non-Botanical
On Market
SystemWell Ultimate Immune
Nature's Way
44 ingredients · Other Combinations
On Market
SystemWell Ultimate Immune
Nature's Way
44 ingredients · Other Combinations
On Market
T MALE Liquid Mixed Berry Flavor
NaturesPlus
33 ingredients · Other Combinations
On Market
T-Bomb 3xtreme
MHP Maximum Human Performance
37 ingredients · Other Combinations
On Market
T-Drive Magnum
INNOSUPPS
16 ingredients · Botanical with Nutrients
On Market
T-Drive Magnum
INNOSUPPS
16 ingredients · Botanical with Nutrients
On Market
T-Drive Testosterone Support
INNOSUPPS
15 ingredients · Botanical with Nutrients
On Market
T-Drive Testosterone Support
INNOSUPPS
15 ingredients · Other Combinations
On Market
Tablet Multi Vitamin and Mineral
Bronson
26 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Tall Tree Natural Orange & Pineapple Flavor
Country Life
39 ingredients · Other Combinations
On Market
Tang Kuei Plus
Herbalife
13 ingredients · Botanical with Nutrients
On Market
Tangerine Grapefruit
Pauling Labs
35 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Tao Hong Si Wu Teapills
Plum Flower
11 ingredients · Botanical
On Market
Target-Mins Cal-Mag Mini-Tabs 500 mg/250 mg
Country Life
12 ingredients · Botanical with Nutrients
On Market
Target-Mins Calcium Caps With Boron
Country Life
4 ingredients · Mineral
On Market
Target-Mins Iron 25 mg
Country Life
7 ingredients · Mineral
On Market
Target-Mins Total Mins Iron-Free
Country Life
20 ingredients · Botanical with Nutrients
On Market
Tart Cherry 1,000 mg
EuroMedica
7 ingredients · Botanical
On Market
Tart Cherry 1,000 mg
AN Amazing Nutrition Amazing Formulas
5 ingredients · Botanical
On Market
Tart Cherry 2400 mg
tnvitamins
5 ingredients · Botanical
On Market
Tart Cherry 2500 mg
Futurebiotics
6 ingredients · 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.