Magnesium Oxide 400 mg
by DC · tablet or pill · 120 tablets
- On the market (NIH)
- UPC 0 52301 68012 2
- DSLD label 267034
- Serving 1 to 2 tablets; amounts per 1 tablet
- 120 servings
Magnesium Oxide 400 mg by DC lists 2 ingredients, 2 with an amount per serving of 1 tablet, such as 241.3 mg of magnesium. Its current label entered the NIH Dietary Supplement Label Database on June 16, 2022.
What is in Magnesium Oxide 400 mg?
Each row as the label prints it, per serving of 1 tablet. The capsule beside an amount places it among every product in the NIH database that lists the same ingredient: the bar is the middle half of their amounts, the line in it the median, the whiskers the 10th and 90th percentiles; the green tick is the FDA Daily Value and the red dashed tick the adult upper limit (IOM).
| Ingredient | Amount | % DV | Among products listing it |
|---|---|---|---|
| Magnesiumas MagnesiumMagnesium (Form: Elemental Magnesium, from 400 mg Magnesium Oxide) | 241.3 mg | 60% | Higher than 83% of 14,003 products listing magnesium (median 86 mg). |
| Magnesium Oxide | 400 mg |
Source: NIH ODS Dietary Supplement Label Database, label 267034 (entered June 16, 2022), version 9.4.0. See the label on DSLD or its label image (PDF). Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.
Is that a lot?
Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient.
The NIH database records one serving a day from the label's directions; its % Daily Values are for adults and children 4 or more years of age. The directions as printed are further down this page.
The Tolerable Upper Intake Level is the most of a nutrient per day, from food, water and supplements together, that is likely to pose no risk for almost all adults (Institute of Medicine, 2011). It does not apply under medical supervision. This page compares labels; it is not medical advice.
Sources: amounts from the DSLD label; Daily Values from 21 CFR 101.9(c)(8)(iv); adult upper limits from the Institute of Medicine's DRI summary tables (2011). How positions are computed.
Which products have the closest formulas?
6 products list the very same ingredients; the nearest amounts come first.
- Magnesium-OxideGenesis Products same ingredients
- MAGnesium-OxideRising same ingredients
- Magnesium Oxide 400 mgWonder Laboratories same ingredients
- Magnesium Oxide 400 mgThe Generic Pharmaceutical Company same ingredients
- Magnesium Oxide Tablets 400 mgSafrel same ingredients
- Magnesium Oxide 400 mgGraxcell Pharmaceutical, LLC. same ingredients
Source: ingredient lists of every product's current label in DSLD (version 9.4.0); similarity weights each shared ingredient by how rare it is.
What does the label say about taking it?
Quoted from the label as DSLD transcribed it: the maker's words, including any claim about what the product does, which the FDA has not evaluated and PlainVitamins does not endorse.
- Directions
- Directions: As an adult dietary supplement, take 1 or 2 tablets daily.
- Warnings
- Tamper Evident: Do not use this product if imprinted foil seal under cap is broken or missing.
- Keep out of reach of children.
- Caution: If you are pregnant, nursing, have kidney disease or are taking prescription medication, consult your physician before taking this product.
- Allergens and what it does not contain
- Gluten free
- Storage
- Keep tightly closed. Store at room temperature: 59 degrees - 86 degrees F (15 degrees to 30 degrees C).
Source: label statements in DSLD label 267034.
What else is on the label?
Other ingredients: Veg. Cellulose, Stearic Acid, Veg. Magnesium Stearate, Silica.
Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Quali Pure.
How many labels does Magnesium Oxide 400 mg have?
4 labels are on file under this name since April 22, 2021: other sizes, label designs and reformulations. The current one leads this page.
- Label 267034 (current) Entered June 16, 2022 · on the market · 120 tablets · UPC 0 52301 68012 2
- Label 265891 Entered April 11, 2022 · on the market · 120 tablets
- Label 265890 Entered April 11, 2022 · on the market · 120 tablets
- Label 245142 Entered April 22, 2021 · off the market August 24, 2021 · 120 tablets
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Dee Cee Laboratories, Inc. (manufacturer), White House, TN. All DC products.