Non-Acid C-500
by Windmill Natural Vitamins · tablet or pill · 60 tablets
- On the market (NIH)
- UPC 0 35046 00181 0
- DSLD label 231148
- Serving 1 tablet
Non-Acid C-500 by Windmill Natural Vitamins lists 2 ingredients, 2 with an amount per serving of 1 tablet, such as 500 mg of vitamin C and 50 mg of calcium. Its current label entered the NIH Dietary Supplement Label Database on July 23, 2020.
What is in Non-Acid C-500?
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: as Calcium Ascorbate) | 500 mg | 556% | Higher than 81% of 18,583 products listing vitamin C (median 100 mg). |
| Calciumas Calcium AscorbateCalcium (Form: as Calcium Ascorbate) | 50 mg | 4% | 72% of 17,831 products listing calcium give more (median 115 mg). |
Source: NIH ODS Dietary Supplement Label Database, label 231148 (entered July 23, 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.
- Non-Acid Vitamin C-500Windmill · off the market same ingredients
- Buffered Vitamin C 500 mg Calcium AscorbateGood 'N Natural · off the market same ingredients
- Buffered Vitamin C 500 mgFreeda · off the market same ingredients
- Buffered Vitamin CFreeda same ingredients
- Buffered C-500 mgSpecialty Pharmacy · off the market same ingredients
- Buffered Vitamin C 500 mgSwanson · off the market 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: Take 1 tablet daily as a dietary supplement or as directed by a healthcare professional.
- Warnings
- Keep out of reach of children.
- Do not purchase if seal is broken.
- Allergens and what it does not contain
- Acid-Free Formula
- No sugar, yeast, wheat, milk, soy, artificial colors, flavors or preservatives Gluten Free
- Storage
- Protect from heat, light & moisture. Store in a cool, dry place.
Source: label statements in DSLD label 231148.
What else is on the label?
Other ingredients: Microcrystalline Cellulose, Stearic Acid, Dicalcium Phosphate, Silica, Magnesium Stearate.
How many labels does Non-Acid C-500 have?
3 labels are on file under this name since July 24, 2015: other sizes, label designs and reformulations. The current one leads this page.
- Label 231148 (current) Entered July 23, 2020 · on the market · 60 tablets · UPC 0 35046 00181 0
- Label 181041 Entered September 21, 2018 · off the market July 1, 2020 · 60 tablets · UPC 0 35046 00181 0
- Label 46709 Entered July 24, 2015 · off the market February 27, 2018 · 60 tablets · UPC 0 35046 00181 0
DSLD also links this label to: Vitamin C-1000 (image difference, same product), Non-Acid Vitamin C-500 (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 Windmill Health Products (distributor), West Caldwell, NJ. All Windmill Natural Vitamins products.