Cal/Mag Ascorbate
by Douglas Laboratories · capsule · 250 capsules
- Off the market since January 2012 (NIH)
- DSLD label 8030
- Serving 1 capsule
Cal/Mag Ascorbate by Douglas Laboratories lists 6 ingredients, 6 with an amount per serving of 1 capsule, such as 369 mg of vitamin C, 50 IU (1.25 mcg) of vitamin D3, 31 mg of calcium and 10 mg of magnesium. Its current label entered the NIH Dietary Supplement Label Database on April 26, 2012.
What is in Cal/Mag Ascorbate?
Each row as the label prints it, per serving of 1 capsule. 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 |
|---|---|---|---|
| Vitamin C | 369 mg | 615% | Higher than 79% of 18,583 products listing vitamin C (median 100 mg). |
| Calcium Ascorbate | 300 mg | ||
| Magnesium Ascorbate | 150 mg | ||
| Vitamin D3 | 50 IU (1.25 mcg) | 13% | 97% of 14,175 products listing vitamin D give more (median 15 mcg). |
| Calciumas Calcium AscorbateCalcium (Form: from Calcium Ascorbate) | 31 mg | 3% | 84% of 17,831 products listing calcium give more (median 115 mg). |
| Magnesiumas Magnesium AscorbateMagnesium (Form: from Magnesium Ascorbate) | 10 mg | 2% | 91% of 14,003 products listing magnesium give more (median 86 mg). |
Source: NIH ODS Dietary Supplement Label Database, label 8030 (entered April 26, 2012), 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:
- 97% of the 14,175 products that print an amount of vitamin D list more than its 1.25 mcg (50 IU) of vitamin D (median 15 mcg (600 IU)).
- 91% of the 14,003 products that print an amount of magnesium list more than its 10 mg of magnesium (median 86 mg).
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?
The products whose ingredient lists overlap most with Cal/Mag Ascorbate's, rare ingredients counting for more.
- Dietary Sulfur with AscorbatesDouglas Laboratories · off the market 5 shared, 77% alike
- Dyno-Mins Calcium Magnesium 500/250 mgNature's Plus · off the market 4 shared, 70% alike
- Active-C 500 mgThe Vitamin Shoppe 5 shared, 56% alike
- Active-C 1000 mgThe Vitamin Shoppe 5 shared, 56% alike
- Mag'CIntensive Nutrition · off the market 3 shared, 51% alike
- Magnesium AscorbateIntensive Nutrition · 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
- Suggested Usage: As a dietary supplement, adults take 1 capsule daily or as directed by your healthcare professional.
- Warnings
- KEEP OUT OF REACH OF CHILDREN.
- Tamper resistant package, do not use if outer seal is missing.
- Allergens and what it does not contain
- This product contains NO yeast, wheat gluten, soy protein, milk/dairy, corn, sodium, sugar, starch, artificial coloring, preservatives or flavoring.
- Storage
- For optimal storage conditions, store in a cool, dry place. (59(0)-77(0)F/15(0)-25(0)C) (35-65% relative humidity)
Source: label statements in DSLD label 8030.
What else is on the label?
Other ingredients: Gelatin, Cellulose, Vegetable Stearate.
How many labels does Cal/Mag Ascorbate have?
One label is on file, entered on April 26, 2012.
- Label 8030 (current) Entered April 26, 2012 · off the market January 20, 2012 · 250 capsules
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Douglas Laboratories (manufacturer), Pittsburgh, PA. All Douglas Laboratories products.