C Buffered Crystals
by Thompson · powder · 4 ozs
- On the market (NIH)
- UPC 0 31315 19635 5
- DSLD label 36417
- Serving 3.4 g (Heaping 1/2 teaspoon)
- 33 servings
C Buffered Crystals by Thompson lists 2 ingredients, 2 with an amount per serving of 3.4 g, such as 3,000 mg of vitamin C and 175 mg of calcium. Its current label entered the NIH Dietary Supplement Label Database on August 26, 2014.
What is in C Buffered Crystals?
Each row as the label prints it, per serving of 3.4 g. 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 AscorbateVitamin C (Form: as Calcium Ascorbate) (Alt. Name: Ascorbic Acid) | 3,000 mg | 5,000% | Higher than over 99% of 18,583 products listing vitamin C (median 100 mg). 1.5 times the adult UL a day. |
| Calciumas Calcium AscorbateCalcium (Form: as Calcium Ascorbate) | 175 mg | 18% | Higher than 62% of 17,831 products listing calcium (median 115 mg). |
Source: NIH ODS Dietary Supplement Label Database, label 36417 (entered August 26, 2014), 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:
- At 1 serving a day, the most its directions give, the label lists 3,000 mg of vitamin C, 1.5 times the adult Tolerable Upper Intake Level.
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 AscorbateNutriBiotic Immunity same ingredients
- Mild-C Vitamin C CrystalsCarlson · off the market same ingredients
- Mild-CCarlson · off the market same ingredients
- Mild-C 1,600 mgCarlson same ingredients
- Non Acidic Vitamin C 1500 mgCGM Labs same ingredients
- Buffered C CrystalsBluebonnet 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
- Directions: Use only as directed. Mix 3.4 g (heaping 1/2 teaspoon) of Buffered C Crystals in eight ounces of your favorite non-carbonated beverage. Drink daily.
- Warnings
- WARNING: Do not use if safety seal is broken or missing.
- Keep out of reach of children.
- Storage
- Store in a cool, dry place.
Source: label statements in DSLD label 36417.
What else is on the label?
Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): FRESH HEALTHY.
How many labels does C Buffered Crystals have?
One label is on file, entered on August 26, 2014.
- Label 36417 (current) Entered August 26, 2014 · on the market · 4 ozs · UPC 0 31315 19635 5
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names NutraPure, Inc. (manufacturer). All Thompson products.