Vitamin C Capsules
by Douglas Laboratories · capsule · 100 capsules
- On the market (NIH)
- UPC 3 10539 01309 0
- DSLD label 8453
- Serving 2 capsules
- 50 servings
Vitamin C Capsules by Douglas Laboratories lists 3 ingredients, 3 with an amount per serving of 2 capsules, such as 180 mg of calcium, 100 mg of magnesium and 20 mg of potassium. Its current label entered the NIH Dietary Supplement Label Database on June 1, 2012.
What is in Vitamin C Capsules?
Each row as the label prints it, per serving of 2 capsules. 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 Cas Vitamin C Ascorbate ComplexVitamin C (Form: from Vitamin C Ascorbate Complex) | 1,000 mg | 1,667% | |
| Calciumas Calcium AscorbateCalcium (Form: from Calcium Ascorbate) | 180 mg | 18% | Higher than 62% of 17,831 products listing calcium (median 115 mg). Per day at the most servings: 360 mg. |
| Magnesiumas Magnesium Ascorbate ComplexMagnesium (Form: from Magnesium Ascorbate Complex) | 100 mg | 25% | Higher than 51% of 14,003 products listing magnesium (median 86 mg). Per day at the most servings: 200 mg. |
| Potassiumas Potassium BicarbonatePotassium (Form: from Potassium Bicarbonate) | 20 mg | 1% | 89% of 11,614 products listing potassium give more (median 99 mg). Per day at the most servings: 40 mg. |
Source: NIH ODS Dietary Supplement Label Database, label 8453 (entered June 1, 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:
- 89% of the 11,614 products that print an amount of potassium list more than its 20 mg of potassium (median 99 mg).
The NIH database records 2 servings 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.
- C-M-K CitrateProgressive Professional from Progressive Laboratories same ingredients
- Potassium & Magnesium AspartateBronson same ingredients
- Tri-SaltsEcological Formulas same ingredients
- Calcium Magnesium PotassiumBest Naturals same ingredients
- Membrane Complex 500 mgAdvanced Research same ingredients
- Alkaline MineralsDr. Clark Research Association Dr. Clark Zentrum 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
- Suggested Usage: As a dietary supplement, adults take 2 capsules twice daily with meals 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
- (Corn Free)
- 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°-77°F/15°-25°C) (35-65% relative humidity)
Source: label statements in DSLD label 8453.
What else is on the label?
Other ingredients: Gelatin, Cellulose, Vegetable Stearate, Silica.
How many labels does Vitamin C Capsules have?
One label is on file, entered on June 1, 2012.
- Label 8453 (current) Entered June 1, 2012 · on the market · 100 capsules · UPC 3 10539 01309 0
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.