Vitamin C Powder 100% Pure Ascorbic Acid
by Dr. Clark Store · powder · 454 grams
- On the market (NIH)
- UPC 6 52384 10063 2
- DSLD label 215844
- Serving 0.125 tsp
- 698 servings
Vitamin C Powder 100% Pure Ascorbic Acid by Dr. Clark Store lists one ingredient: 650 mg of vitamin C per serving of 0.125 tsp. Its current label entered the NIH Dietary Supplement Label Database on March 24, 2020.
What is in Vitamin C Powder 100% Pure Ascorbic Acid?
Each row as the label prints it, per serving of 0.125 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 Ascorbic AcidVitamin C (Alt. Name: Ascorbic Acid) Note: USP/FCC | 650 mg | 1,083% | Higher than 90% of 18,583 products listing vitamin C (median 100 mg). |
Source: NIH ODS Dietary Supplement Label Database, label 215844 (entered March 24, 2020), 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?
Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient.
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.
- Esterified Vitamin CRoyal Guard same ingredients
- Esterified Vitamin C 675 mgNaturesPlus same ingredients
- Ascorbyl Palmitate 500 mg Esterfied Vitamin CNOW · off the market same ingredients
- Ascorbyl PalmitateSource Naturals same ingredients
- Ascorbyl Palmitate 500 mgNOW same ingredients
- Vitamin C with Rose Hips & Acerola 500 mg Timed ReleaseSolaray 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: Take 1/8 teaspoon, or as directed by a healthcare professional. Mix with a beverage or sprinkle directly on food.
- Warnings
- Keep away from children.
- Warning: If you are pregnant, nursing or taking any medications, consult your doctor before use.
- If any adverse reactions occur, immediately stop using this product and consult your doctor.
- Allergens and what it does not contain
- Our products don't contain flow agents like magnesium stearate. Not now, not ever.
- Storage
- Store tightly sealed in a dark, dry place. Do not refrigerate.
Source: label statements in DSLD label 215844.
What else is on the label?
Other ingredients: None.
Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Made in USA; Quality Assured GMP.
How many labels does Vitamin C Powder 100% Pure Ascorbic Acid have?
One label is on file, entered on March 24, 2020.
- Label 215844 (current) Entered March 24, 2020 · on the market · 454 grams · UPC 6 52384 10063 2
DSLD also links this label to: Vitamin C Powder (alternate version).
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Self Health Resource Center (manufacturer), Chula Vista, CA. All Dr. Clark Store products.