Vitamin C with Dihydroquercetin 1000 mg
by Life Extension · tablet or pill · 250 vegetarian tablets
- On the market (NIH)
- UPC 7 37870 92725 9
- DSLD label 59001
- Serving 1 vegetarian tablet
Vitamin C with Dihydroquercetin 1000 mg by Life Extension lists 2 ingredients, 2 with an amount per serving of 1 vegetarian tablet, such as 1,000 mg of vitamin C and 10 mg of dihydroquercetin-3-rhamnoside. Its current label entered the NIH Dietary Supplement Label Database on April 22, 2016.
What is in Vitamin C with Dihydroquercetin 1000 mg?
Each row as the label prints it, per serving of 1 vegetarian 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 | 1,000 mg | 1,667% | Higher than 91% of 18,583 products listing vitamin C (median 100 mg). |
| Dihydroquercetin-3-Rhamnosideas Grape extractDihydroquercetin-3-Rhamnoside (Form: from Grape extract PlantPart: leaf) | 10 mg |
Source: NIH ODS Dietary Supplement Label Database, label 59001 (entered April 22, 2016), 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?
The products whose ingredient lists overlap most with Vitamin C with Dihydroquercetin 1000 mg's, rare ingredients counting for more.
- Taxifolin 10 mgSuperSmart · off the market 1 shared, 83% alike
- Taxifolin 60 mgSuperSmart 1 shared, 83% alike
- Taxifolin Complex SREndurance Products Company 2 shared, 83% alike
- Fast-C With DihydroquercetinLife Extension 2 shared, 52% alike
- AllerDHQXYMOGEN 2 shared, 39% alike
- No2 BlackMRI Performance · off the market 1 shared, 38% 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
- Read the entire label and follow the directions carefully prior to use. DIRECTIONS: Take one (1) tablet daily with food, or as recommended by a healthcare practitioner.
- Warnings
- WARNINGS: ~ KEEP OUT OF REACH OF CHILDREN.
- ~ DO NOT EXCEED RECOMMENDED DOSE. ~ Do not purchase if outer seal is broken or damaged.
- ~ When using nutritional supplements, please consult with your physician if you are undergoing treatment for a medical condition or if you are pregnant or lactating.
- Allergens and what it does not contain
- Non-GMO
- Storage
- Store tightly closed in a cool, dry place.
Source: label statements in DSLD label 59001.
What else is on the label?
Other ingredients: Microcrystalline Cellulose, Stearic Acid, Croscarmellose Sodium, Hydroxypropyl Methylcellulose, Aqueous Film Coating, Vegetable Stearate, Silica.
How many labels does Vitamin C with Dihydroquercetin 1000 mg have?
6 labels are on file under this name since April 22, 2016: other sizes, label designs and reformulations. The current one leads this page.
- Label 59604 Entered June 24, 2016 · off the market April 1, 2016 · 60 vegetarian tablets · UPC 7 37870 16346 6
- Label 59610 Entered May 22, 2016 · off the market April 1, 2016 · 60 vegetarian tablets · UPC 7 37870 16346 6
- Label 59001 (current) Entered April 22, 2016 · on the market · 250 vegetarian tablets · UPC 7 37870 92725 9
- Label 58999 Entered April 22, 2016 · off the market January 4, 2016 · 250 vegetarian tablets · UPC 7 37870 92725 9
- Label 58996 Entered April 22, 2016 · off the market January 4, 2016 · 250 vegetarian tablets · UPC 7 37870 92725 9
- Label 58911 Entered April 22, 2016 · on the market · 60 vegetarian tablets · UPC 7 37870 16346 6
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Quality Supplements and Vitamins, Inc. (distributor), Ft. Lauderdale, FL. All Life Extension products.