Buffered Vitamin C Crystals
by Vitamin Discount Center · powder · 8.8 ounces
- Off the market since November 2023 (NIH)
- DSLD label 297945
- Serving 0.25 tsp (1/4 Teaspoon)
Buffered Vitamin C Crystals by Vitamin Discount Center lists 2 ingredients, 2 with an amount per serving of 0.25 tsp, such as 1,000 mg of vitamin C and 110 mg of calcium. Its current label entered the NIH Dietary Supplement Label Database on October 24, 2023.
What is in Buffered Vitamin C Crystals?
Each row as the label prints it, per serving of 0.25 tsp. 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 Ascorbate | 1,000 mg | 1,111% | Higher than 91% of 18,583 products listing vitamin C (median 100 mg). |
| Calciumas Calcium Ascorbate | 110 mg | 8% | 51% of 17,831 products listing calcium give more (median 115 mg). |
Source: NIH ODS Dietary Supplement Label Database, label 297945 (entered October 24, 2023), version 9.4.0. See the label on DSLD or its label image (PDF). 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?
6 products list the very same ingredients; the nearest amounts come first.
- Chrono C TRChrono Health Care · off the market same ingredients
- Ester-C 500 mgAmerican Health same ingredients
- Esterified C 1,000 mgHighland Laboratories same ingredients
- Vitamin C Calcium Ascorbate Soluble Fine CrystalsBronson Laboratories · off the market same ingredients
- Vitamin C Calcium Ascorbate Soluble Fine CrystalsBronson · off the market same ingredients
- Buffered Vitamin CDr. 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 use: As a dietary supplement, adults take 1/4 teaspoon in eight (8) ounces of water or juice daily, or as directed by a health care professional.
- Warnings
- Keep out of reach of children.
- Allergens and what it does not contain
- Contains no sugar, salt, dairy, yeast, wheat, corn, soy, preservatives, artificial colors or flavors.
- Storage
- Store in a cool, dry place and away from direct light.
Source: label statements in DSLD label 297945.
How many labels does Buffered Vitamin C Crystals have?
One label is on file, entered on October 24, 2023.
- Label 297945 (current) Entered October 24, 2023 · off the market November 17, 2023 · 8.8 ounces
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Vitamin Discount Center, LLC (distributor), Tampa, Florida. All Vitamin Discount Center products.