Buffered Vitamin C
by Jarrow Formulas · tablet or pill · 100 tablets
- Off the market since August 2013 (NIH)
- UPC 7 90011 12015 5
- DSLD label 2990
- Serving 1 tablet
Buffered Vitamin C by Jarrow Formulas lists 2 ingredients, 2 with an amount per serving of 1 tablet, such as 820 mg of vitamin C and 100 mg of calcium. Its current label entered the NIH Dietary Supplement Label Database on December 23, 2011.
What is in 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 Calcium AscorbateVitamin C (Form: from Calcium Ascorbate) | 820 mg | 1,366% | Higher than 90% of 18,583 products listing vitamin C (median 100 mg). |
| Calciumas Calcium AscorbateCalcium (Form: as Calcium Ascorbate) | 100 mg | 10% | 53% of 17,831 products listing calcium give more (median 115 mg). |
Source: NIH ODS Dietary Supplement Label Database, label 2990 (entered December 23, 2011), 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 820 mg of vitamin C is higher than 90% of the 18,583 vitamin C products that print an amount; 1,760 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?
6 products list the very same ingredients; the nearest amounts come first.
- Calcium Ascorbate Buffered Vitamin CPureBulk.com same ingredients
- Vitamin C plus CalciumUltimate Nutrition Platinum Series same ingredients
- Calcium AscorbateNOW same ingredients
- Buffered C PowderMaxi Health same ingredients
- Buffered Vitamin C 800 mgSolaray same ingredients
- Pure, Buffered Calcium AscorbateNOW 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
- Usage: Take 1 tablet per day with meal, or as directed by your qualified health consultant.
- Warnings
- Keep out of the reach of children.
Source: label statements in DSLD label 2990.
What else is on the label?
Other ingredients: Cellulose, Calcium Phosphate, Stearic Acid, modified Cellulose Gum, Magnesium Stearate, Silicon Dioxide.
How many labels does Buffered Vitamin C have?
One label is on file, entered on December 23, 2011.
- Label 2990 (current) Entered December 23, 2011 · off the market August 30, 2013 · 100 tablets · UPC 7 90011 12015 5
DSLD also links this label to: Buffered Vitamin C + Citrus Bioflavonoids 750 mg (image difference, same product), Buffered Vitamin C + Citrus Bioflavonoids 750 mg (image difference, same product), Buffered Vitamin C + Citrus Bioflavonoids 750 mg (image difference, same product), Buffered Vitamin C + Citrus Bioflavonoids 750 mg (image difference, same product), Buffered Vitamin C + Citrus Bioflavonoids 750 mg (image difference, same product), Buffered Vitamin C + Citrus Bioflavonoids 750 mg (image difference, same product), Buffered Vitamin C + Citrus Bioflavonoids 750 mg (image difference, same product), Buffered Vitamin C + Citrus Bioflavonoids (image 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 Jarrow Formulas (manufacturer), Los Angeles, CA. All Jarrow Formulas products.