Magnesium Ascorbate
by Intensive Nutrition · tablet or pill · 90 tablets
- Off the market since October 2023 (NIH)
- DSLD label 23704
- Serving 1 to 3 tablets; amounts per 1 tablet
Magnesium Ascorbate by Intensive Nutrition lists 3 ingredients, 3 with an amount per serving of 1 tablet, such as 1,400 mg of magnesium ascorbate, 100 mg of magnesium and 1,300 mg of vitamin C. Its current label entered the NIH Dietary Supplement Label Database on July 25, 2013.
What is in Magnesium Ascorbate?
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 |
|---|---|---|---|
| Magnesium Ascorbate | 1,400 mg | ||
| MagnesiumMagnesium Note: elemental | 100 mg | 25% | Higher than 51% of 14,003 products listing magnesium (median 86 mg). |
| Vitamin Cas Vitamin C AscorbateVitamin C (Form: as Vitamin C Ascorbate) | 1,300 mg | 2,000% | Higher than 99% of 18,583 products listing vitamin C (median 100 mg). |
Source: NIH ODS Dietary Supplement Label Database, label 23704 (entered July 25, 2013), version 9.4.0. See the label on DSLD. Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.
Is that a lot?
The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:
- Its 1,300 mg of vitamin C is higher than 99% of the 18,583 vitamin C products that print an amount; 268 list more.
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?
3 products list the very same ingredients; the nearest amounts come first.
- Mag'CIntensive Nutrition · off the market same ingredients
- Asc2P 500 mgSuperSmart · off the market same ingredients
- Asc2PSuperSmart · off the market same ingredients
- Magnesium Ascorbate 1000 mgSource Naturals 2 shared, 63% alike
- Dyno-Mins Magnesium 250 mgNature's Plus · off the market 2 shared, 61% alike
- Cal/Mag AscorbateDouglas Laboratories · off the market 3 shared, 51% alike
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: 1-3 tablets daily between meals or as directed by your health professional
- Warnings
- Caution: Keep the bottle closed in a cool, dry place and out of the reach of children.
- Allergens and what it does not contain
- FREE OF YEAST, EGG, MILK, STARCH, CORN, SUGAR, ARTIFICIAL COLORS, SWEETNERS OR PRESERVATIVES.
Source: label statements in DSLD label 23704.
What else is on the label?
Other ingredients: Cellulose, Magnesium Stearate, Silica, Methyl Cellulose.
How many labels does Magnesium Ascorbate have?
One label is on file, entered on July 25, 2013.
- Label 23704 (current) Entered July 25, 2013 · off the market October 4, 2023 · 90 tablets
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Intensive Nutrition Inc. (manufacturer), San Leandro, CA. All Intensive Nutrition products.