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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

Shan Zha Jian Zhi Pian HawthoPower 200 mg
Guang Ci Tang
12 ingredients · Other Combinations
On Market
Shark Cartilage
Dr. Rico Perez
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Shark Cartilage 740 mg
Wonder Laboratories
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Shark Cartilage 750
DC
4 ingredients · Non-Nutrient/Non-Botanical
On Market
Shark Cartilage 750 mg
Sunshine Naturals
3 ingredients · Non-Nutrient/Non-Botanical
On Market
Shark Cartilage 750 mg
GNC Natural Brand
12 ingredients · Non-Nutrient/Non-Botanical
On Market
Shark Cartilage 750 mg
Sunshine Naturals
4 ingredients · Non-Nutrient/Non-Botanical
On Market
Sharp Thinking Ultra
TimeFighters
13 ingredients · Botanical with Nutrients
On Market
Sharp Thought
Country Life
7 ingredients · Fat/Fatty Acid
On Market
Sharp Thought
Country Life
9 ingredients · Fat/Fatty Acid
On Market
Sharp Thought
Country Life
9 ingredients · Fat/Fatty Acid
On Market
Sharp Thought
Country Life
9 ingredients · Fat/Fatty Acid
On Market
SharpMind Brain Formula
Solaray
16 ingredients · Other Combinations
On Market
Shatavari Root Extract 500 mg
Swanson
6 ingredients · Botanical
On Market
Shed Excess Water
Cellucor
14 ingredients · Other Combinations
On Market
Shen Jie Qing Pian Renalpass 200 mg
Guang Ci Tang
14 ingredients · Other Combinations
On Market
Shen Ling Bai Zhu Pian
Plum Flower
15 ingredients · Botanical
On Market
Shen Tong Zhu Yu Pian StasisClear 200 mg
Guang Ci Tang
17 ingredients · Other Combinations
On Market
Sheng Mai Pian Pulsegenic 200 mg
Guang Ci Tang
6 ingredients · Botanical
On Market
Shi Quan Da Bu Pian TotalTonic 200 mg
Guang Ci Tang
14 ingredients · Botanical
On Market
Shift Caffeinated Mixed Berry
Real Ketones
17 ingredients · Other Combinations
On Market
Shift Caffeinated Peach
Real Ketones
17 ingredients · Other Combinations
On Market
Shift Chocolate
Real Ketones
15 ingredients · Other Combinations
On Market
Shift Raspberry Lemonade Flavored
Real Ketones
17 ingredients · Other Combinations
On Market
Shift Watermelon Flavored
Real Ketones
17 ingredients · Other Combinations
On Market
Shiitake Maitake Reishi 600 mg
tnvitamins
10 ingredients · Botanical
On Market
Shiitake Mushroom 1,000 mg
Nutricost
4 ingredients · Botanical
On Market
Shiitake Mushroom 9000 mg
NusaPure
5 ingredients · Botanical
On Market
Shilajit 1,000 mg
Nutricost
7 ingredients · Other Combinations
On Market
Shilajit 10,000 mg
Dorado Nutrition
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Shilajit 400 mg
Evlution Nutrition
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Shilajit 500 mg
Nugenix
6 ingredients · Non-Nutrient/Non-Botanical
On Market
Shilajit Extract 100 mg Extra Strength
Swanson
4 ingredients · Non-Nutrient/Non-Botanical
On Market
Shilajit Extract 400 mg
Swanson
6 ingredients · Non-Nutrient/Non-Botanical
On Market
Shilajit Extract 500 mg
Bronson
5 ingredients · Non-Nutrient/Non-Botanical
On Market
Shilajit Fulvic Acid Complex 250 mg
Jarrow Formulas
7 ingredients · Non-Nutrient/Non-Botanical
On Market
Shot-O-B12 5000 mcg
NaturesPlus
9 ingredients · Vitamin
On Market
Shot-O-B12 5000 mcg Sustained Release
NaturesPlus
9 ingredients · Vitamin
On Market
Shot-O-B12 5000 mcg Wild Berry Flavor
NaturesPlus
12 ingredients · Vitamin
On Market
Shou Wu Pian FotiHair 200 mg
Guang Ci Tang
17 ingredients · Botanical
On Market
Shpilkes Anxiolytic
Ecological Formulas
12 ingredients · Other Combinations
On Market
Shu Gu Pian LiverSoothe 200 mg
Guang Ci Tang
16 ingredients · Botanical
On Market
Si Miao Pian Dampclear 200 mg
Guang Ci Tang
8 ingredients · Botanical
On Market
Si Wu Tang Pian Tonics4 200 mg
Guang Ci Tang
8 ingredients · Botanical
On Market
Siberian Eleuthero Root 1,275 mg
Nature's Way
4 ingredients · Botanical
On Market
Siberian Eleuthero Root 1,275 mg
Nature's Way
4 ingredients · Botanical
On Market
Siberian Rhubarb Extract 2500 mg
NusaPure
5 ingredients · Botanical
On Market
Sight Smart (Multivitamin + Lutein)
Douglas Laboratories
22 ingredients · Other Combinations
On Market
SignaLean Plus
Purity Products
14 ingredients · Other Combinations
On Market
Silica 225 mg
Swiss BioEnergetics
7 ingredients · Botanical with Nutrients
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.