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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

Thyroid Support with Iodine
PureMax Labs YummyVite
19 ingredients · Botanical with Nutrients
On Market
Thyroid Support with Iodine
ZHOU
19 ingredients · Botanical with Nutrients
On Market
Thyroid Support with Iodine + BioPerine
NutriFlair
17 ingredients · Botanical with Nutrients
On Market
Thyroid Support.
Gt
9 ingredients · Botanical with Nutrients
On Market
Thyroxin-Free Thyroid Glandular 200 mg
Swanson Premium Brand
6 ingredients · Non-Nutrient/Non-Botanical
On Market
Thyroxite Advanced Thyroid Support
NewtonEverett
15 ingredients · Botanical with Nutrients
On Market
Tian Ma Gou Teng Pian Liver Windclear 200 mg
Guang Ci Tang
15 ingredients · Other Combinations
On Market
Tian Ma Gou Teng Teapills
Plum Flower
17 ingredients · Other Combinations
On Market
Tian Ma Teapills
Plum Flower
16 ingredients · Botanical
On Market
Tian Qi Du Zhong Pills
Plum Flower
13 ingredients · Botanical
On Market
Tian Wang Bu Xin Pian HeartVigor 200 mg
Guang Ci Tang
19 ingredients · Botanical
On Market
Tiao He Cleanse
Nature's Sunshine
46 ingredients · Botanical with Nutrients
On Market
Tick Immune Support
ZenMen
16 ingredients · Other Combinations
On Market
Time C Timed Release With Magnesium And Lysine 1000
LifeLink
8 ingredients · Other Combinations
On Market
Time Female Libido Formula
Prime
11 ingredients · Botanical with Nutrients
On Market
Time Release B-6 200 mg
Basic Vitamins
10 ingredients · Vitamin
On Market
Time Release C 1,000 mg plus Wild Rose Hips
Nature's Truth
8 ingredients · Botanical with Nutrients
On Market
Time Release C 500 mg
Nature Made
9 ingredients · Vitamin
On Market
Time Release Caffeine
Vali
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Time Release Malic Relief Formula
Country Life
16 ingredients · Botanical with Nutrients
On Market
Time Release Mega Vita-Min
Radiance
51 ingredients · Other Combinations
On Market
Time Release Niacin
Ortho Molecular Products
5 ingredients · Vitamin
On Market
Time Release Vitamin C
Nature's Sunshine
12 ingredients · Other Combinations
On Market
Time Release Vitamin C 500 mg With Rose Hips
Country Life
8 ingredients · Botanical with Nutrients
On Market
Time Release Vitamin C with Rose Hips 1,000 mg
Country Life
10 ingredients · Botanical with Nutrients
On Market
Time Released Calcium 600 mg
Nature's Bounty Optimal Solutions
11 ingredients · Other Combinations
On Market
Time with Horny Goat Weed
Prime
14 ingredients · Botanical with Nutrients
On Market
Timed Release B-12 1,000 mcg
Nature's Truth
6 ingredients · Vitamin
On Market
Timed Release Bio Vitamin C 500 mg
CATALO
17 ingredients · Other Combinations
On Market
Timed Release Circuleg
Puritan's Pride
18 ingredients · Botanical with Nutrients
On Market
Timed Release Melatonin 10 mg
Windmill
8 ingredients · Other Combinations
On Market
Timed Release Melatonin 3 mg
Nature's Blend
8 ingredients · Non-Nutrient/Non-Botanical
On Market
Timed Release Niacin 250 mg
Nature's Blend
6 ingredients · Vitamin
On Market
Timed Release Niacin 750 mg
Rugby
10 ingredients · Vitamin
On Market
Tiny Tabs Multivitamin
New Chapter
29 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
Titan Orange Flavor
Vintage Muscle
21 ingredients · Other Combinations
On Market
TL-Flurivite Chew Natural Fruit Flavor
Trigen Laboratories
27 ingredients · Multi-Vitamin and Mineral (MVM)
On Market
TMG (Trimethylglycine) 175 mg
Kirkman
6 ingredients · Non-Nutrient/Non-Botanical
On Market
TMG 500 mg with Folate & Methyl B-12
Kirkman
9 ingredients · Other Combinations
On Market
TMG Betaine - 1,000 mg
LuckyVitamin
6 ingredients · Non-Nutrient/Non-Botanical
On Market
TMG Betaine - 1,000 mg
NOW
7 ingredients · Non-Nutrient/Non-Botanical
On Market
TMSport 40,000 Volts! Electrolyte Concentrate
Trace Minerals
11 ingredients · Mineral
On Market
TMSport Endure
Trace Minerals
9 ingredients · Mineral
On Market
TMSport Max-Hydrate Effervescent Tablets Citrus
Trace Minerals
14 ingredients · Mineral
On Market
TNT Thermanite Heat
GEC Genetic Edge Compounds
20 ingredients · Other Combinations
On Market
Tokkyo Protein Cookies & Cream
Tokkyo Nutrition
40 ingredients · Amino acid/Protein
On Market
Tokkyo Protein Strawberry
Tokkyo Nutrition
39 ingredients · Amino acid/Protein
On Market
Tokkyo Protein Vanilla
Tokkyo Nutrition
39 ingredients · Other Combinations
On Market
Tolerance Factor
Meehan Formulations
22 ingredients · Other Combinations
On Market
Tongkat Ali + Fadogia Agrestis
ForestLeaf
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.