Ascorbplex 1000 Buffered Vitamin C
by Douglas Laboratories · tablet or pill · 90 tablets
- On the market (NIH)
- UPC 3 10539 75639 3
- DSLD label 244593
- Serving 1 tablet
- 90 servings
Ascorbplex 1000 Buffered Vitamin C by Douglas Laboratories lists 6 ingredients, 4 with an amount per serving of 1 tablet, such as 1,000 mg of vitamin C, 90 mg of calcium, 0.4 mg of magnesium and 60 mg of potassium; 2 sit inside a blend without their own amounts. Its current label entered the NIH Dietary Supplement Label Database on February 25, 2021.
What is in Ascorbplex 1000 Buffered Vitamin C?
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 |
|---|---|---|---|
| Vitamin Cas Ascorbic Acid, Calcium Ascorbate, Magnesium AscorbateVitamin C (Form: as Calcium Ascorbate, Magnesium Ascorbate, Potassium Ascorbate) (Alt. Name: Ascorbic Acid) | 1,000 mg | 1,111% | Higher than 91% of 18,583 products listing vitamin C (median 100 mg). |
| Calciumas Calcium Ascorbate, Calcium CarbonateCalcium (Form: as Calcium Ascorbate, Calcium Carbonate Complex) | 90 mg | 7% | 60% of 17,831 products listing calcium give more (median 115 mg). |
| Magnesiumas Magnesium Ascorbate, Magnesium Oxide ComplexMagnesium (Form: as Magnesium Ascorbate, Magnesium Oxide Complex) | 0.4 mg | 1% | This amount is far outside what other labels list for magnesium, or disagrees with the label's own %DV: possibly a unit or transcription slip in the database. Check the label image on DSLD. |
| Potassiumas Potassium Ascorbate, Potassium Chloride ComplexPotassium (Form: as Potassium Ascorbate, Potassium Chloride Complex) | 60 mg | 1% | 69% of 11,614 products listing potassium give more (median 99 mg). |
| Proprietary Blend | 125 mg | ||
| Citrus Pectin | in the blend, no amount given | ||
| Citrus Bioflavonoids Complex | in the blend, no amount given |
Source: NIH ODS Dietary Supplement Label Database, label 244593 (entered February 25, 2021), 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 1,000 mg of vitamin C is higher than 91% of the 18,583 vitamin C products that print an amount; 445 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?
2 products list the very same ingredients; the nearest amounts come first.
- Ascrobplex 1000Douglas Laboratories · off the market same ingredients
- Buffered Vitamin C 1000 mgMartin Avenue Pharmacy same ingredients
- Ascorbplex 1000 Non-Acid Ascorbate ComplexDouglas Laboratories 5 shared, 89% alike
- DaVinci Poten-CDaVinci Laboratories of Vermont 6 shared, 77% alike
- DaVinci Poten-C 500DaVinci Laboratories of Vermont · off the market 6 shared, 77% alike
- DaVinci Poten-C 500DaVinci Laboratories 6 shared, 77% 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 tablet daily or as directed by your health professional.
- Warnings
- Warning: If you are pregnant, or nursing, or if you are taking prescription medication, consult your health professional before using this product.
- Keep out of the reach of children.
- Use only if safety seal is intact.
- Allergens and what it does not contain
- Gluten-free, Non-GMO
- Storage
- Store in a cool, dry place.
Source: label statements in DSLD label 244593.
What else is on the label?
Other ingredients: Microcrystalline Cellulose, Hydroxypropyl Methylcellulose, Coating, Stearic Acid, Croscarmellose Sodium, Vegetable Stearate, Silica.
How many labels does Ascorbplex 1000 Buffered Vitamin C have?
One label is on file, entered on February 25, 2021.
- Label 244593 (current) Entered February 25, 2021 · on the market · 90 tablets · UPC 3 10539 75639 3
DSLD also links this label to: Ascrobplex 1000 (package size difference, same product), Ascorbplex 1000 Non-Acid Ascorbate Complex (image difference, same product), Ascorbplex 1000 Non-Acid Ascorbate Complex (package size difference, same product), Ascorbplex 1000 Non-Acid Ascorbate Complex (package size difference, same product), Ascorbplex 1000 Non-Acid Ascorbate Complex (package size difference, same product), Ascorbplex 1000 Non-Acid Ascorbate Complex (image difference, same product), Ascorbplex 1000 Non-Acid Ascorbate Complex (package size difference, same product), Ascorbplex 1000 Non-Acid Ascorbate Complex (package size difference, same product).
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.