Windmill Natural Vitamins · Vitamin supplement
Sustained Release C-1000 (Ascorbic Acid)
8 ingredients on file in the NIH Dietary Supplement Label Database. Off-market, label data preserved for reference.
- 8
- Ingredients
- 5
- Nutrient categories
- Top 52%
- By ingredient count
Sustained Release C-1000 (Ascorbic Acid) is a vitamin supplement by Windmill Natural Vitamins in tablet or pill form, listing 8 ingredients in the NIH Dietary Supplement Label Database (DSLD), maintained by the Office of Dietary Supplements at the National Institutes of Health. Currently listed as off-market (no longer available for purchase, but label data is preserved). Daily Value percentages shown below are based on FDA reference daily intake amounts for adults.
Product Details
- Type
- 💊 Vitamin
- Form
- Tablet or Pill
- Database Entry Date
- 2015-06-25
- Ingredients
- 8
Supplement Facts (8 Ingredients)
| Ingredient | Group | Amount | % DV |
|---|---|---|---|
| Vitamin C | Vitamin C | Not disclosed on label | No DV |
| hydrogenated Vegetable Oil | Hydrogenated Vegetable Oil | Not disclosed on label | No DV |
| Microcrystalline Cellulose | Cellulose | Not disclosed on label | No DV |
| Stearic Acid | Stearic Acid | Not disclosed on label | No DV |
| Dicalcium Phosphate | Calcium | Not disclosed on label | No DV |
| Silica | Silicon | Not disclosed on label | No DV |
| Magnesium Stearate | Magnesium stearate | Not disclosed on label | No DV |
| Pharmaceutical Glaze | Coating | Not disclosed on label | No DV |
How does Sustained Release C-1000 (Ascorbic Acid) compare?
Ingredients listed on each label, against the vitamin category average of 6.8. Data from the NIH DSLD.
Sustained Release C-1000 (Ascorbic Acid) lists 6 ingredients more than 100% Natural E Liquid. That is 1 above the vitamin average.
What the Label Data Shows
Sustained Release C-1000 (Ascorbic Acid) is cataloged in the NIH Dietary Supplement Label Database (DSLD) as a vitamin supplement from Windmill Natural Vitamins, sold in tablet or pill form. The label declares 8 ingredients. These ingredients span 5 nutrient categories, other, mineral, vitamin, fat, and 1 more, reflecting a multi-component formula rather than a single-nutrient product.
Daily Value coverage on this label is informative. No ingredients on this label reach 100% of the FDA reference Daily Value, 0 fall below 100% DV, and 8 have no FDA-established Daily Value reference.. Some nutrients (such as botanicals, amino acids, and specialty compounds) have no Daily Value because the FDA has not set a reference intake; absence of a DV is neither good nor bad on its own.
Market status matters for supplement research. This product is currently listed as off-market in the DSLD, with its label first entered into the database on 2015-06-25. Off-market products are no longer being produced or distributed under this label, but the DSLD preserves their historical label data for researchers, consumers checking older bottles, and for tracking how formulations have evolved. The DSLD is a label database, not an FDA approval list, under the 1994 DSHEA framework, dietary supplements do not require pre-market approval, and label information reflects what manufacturers self-declare rather than independent laboratory verification. This page presents factual label data for reference only and is not medical advice; consult a licensed healthcare provider before making decisions about any supplement.
Source: NIH Office of Dietary Supplements, Dietary Supplement Label Database (DSLD) Supplement label data for Sustained Release C-1000 (Ascorbic Acid): ingredients, % Daily Value, market status, brand · 2026 DSLD captures manufacturer-self-declared label information; the NIH does not verify accuracy or evaluate safety/efficacy. Dietary supplements are regulated under DSHEA 1994, no pre-market FDA approval is required.
Nearby Vitamin Products
Other products in the NIH DSLD cataloged under the same supplement type. Useful for comparing formulations within the vitamin category.
Compare Sustained Release C-1000 (Ascorbic Acid) vs 100% Natural E Liquid →
Ingredient Breakdown by Category
Daily Value Coverage
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Frequently Asked Questions
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Data Sources & Methodology
Data as of 2025. Source: NIH Office of Dietary Supplements, Dietary Supplement Label Database (DSLD).
Supplement label data sourced from the Source: NIH Dietary Supplement Label Database (DSLD), maintained by the Office of Dietary Supplements at the National Institutes of Health. The DSLD contains label information from dietary supplement products marketed in the United States.
Daily Value (DV) percentages are based on Source: FDA 21 CFR 101.9 Reference Daily Intake (RDI) values for adults. Products marked "Off Market" may no longer be available for purchase but their label data remains in the database for reference.
Disclaimer, Not Medical Advice: Label data from the Source: NIH Dietary Supplement Label Database (DSLD). This information is for educational and reference purposes only and does not constitute medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before starting, stopping, or combining any dietary supplement, especially if you are pregnant, nursing, take prescription medication, or have a medical condition.
Read our methodology , how this data is sourced, computed, and verified.