Sundown Naturals · Mineral supplement
Calcium 500 mg Natural Oyster Shell
5 ingredients on file in the NIH Dietary Supplement Label Database. Off-market, label data preserved for reference.
- 5
- Ingredients
- 3
- Nutrient categories
- Top 75%
- By ingredient count
Calcium 500 mg Natural Oyster Shell is a mineral supplement by Sundown Naturals in other (e.g. tea bag) form, listing 5 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
- 🪨 Mineral
- Form
- Other (e.g. tea bag)
- Database Entry Date
- 2011-10-26
- Ingredients
- 5
Supplement Facts (5 Ingredients)
| Ingredient | Group | Amount | % DV |
|---|---|---|---|
| Calcium | Calcium | Not disclosed on label | No DV |
| Cellulose | Cellulose | Not disclosed on label | No DV |
| Croscarmellose | Croscarmellose | Not disclosed on label | No DV |
| Cellulose Coating | Coating | Not disclosed on label | No DV |
| Vegetable Magnesium Stearate | Magnesium stearate | Not disclosed on label | No DV |
How does Calcium 500 mg Natural Oyster Shell compare?
Ingredients listed on each label, against the mineral category average of 6.5. Data from the NIH DSLD.
Calcium 500 mg Natural Oyster Shell lists 18 ingredients fewer than 100% Casein Vanilla Cream. That is 1 below the mineral average.
What the Label Data Shows
Calcium 500 mg Natural Oyster Shell is a compact, 5-ingredient mineral supplement from Sundown Naturals, sold in other (e.g. tea bag) form, cataloged in the NIH Dietary Supplement Label Database (DSLD). These ingredients span 3 nutrient categories, other, mineral, fiber, reflecting a multi-component formula rather than a single-nutrient product.
With only 5 ingredients on the label, 5 of 5 have no FDA reference-intake value at all, unremarkable on a short ingredient list drawn from botanicals, amino acids, or other specialty compounds the FDA has never assigned a Daily Value to.
A product's market status is worth checking before relying on this label. This product is currently listed as off-market in the DSLD, with its label first entered into the database on 2011-10-26. Once a product goes off-market, it is no longer manufactured or sold under this label, yet the DSLD keeps the record intact for historical reference, useful for researchers, anyone with an older bottle on hand, or tracking how formulations changed over time.
About the DSLD database
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 Calcium 500 mg Natural Oyster Shell: 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.
Ingredient Breakdown by Category
Daily Value Coverage
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.
Every figure on PlainVitamins is rendered directly from the NIH Dietary Supplement Label Database (DSLD), no number is typed in by an editor. This page draws directly on the NIH DSLD, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.