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Douglas Laboratories · Mineral supplement

Calcium Microcrystalline Hydroxyapatite

3 ingredients on file in the NIH Dietary Supplement Label Database, top 91% by ingredient count. Currently on-market in the U.S.

3
Ingredients
Top 91%
By ingredient count
2
Nutrient categories

Calcium Microcrystalline Hydroxyapatite is a mineral supplement by Douglas Laboratories in capsule form, listing 3 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 on-market. Daily Value percentages shown below are based on FDA reference daily intake amounts for adults.

Product Details

Form
Capsule
Database Entry Date
2023-06-22
Ingredients
3

Supplement Facts (3 Ingredients)

Calcium
Amount
Not disclosed on label
% DV
Not reported
Phosphorus
Amount
Not disclosed on label
% DV
Not reported
Hydroxypropyl Methylcellulose
Amount
Not disclosed on label
% DV
Not reported

How does Calcium Microcrystalline Hydroxyapatite compare?

Ingredients listed on each label, against the mineral category average of 6.5. Data from the NIH DSLD.

Calcium Microcrystalline Hydroxyapatite3
100% Casein Vanilla Cream23
Mineral average6.5

Calcium Microcrystalline Hydroxyapatite lists 20 ingredients fewer than 100% Casein Vanilla Cream. That is 3 below the mineral average.

What the Label Data Shows

According to NIH DSLD label rows, Calcium Microcrystalline Hydroxyapatite sits in the top 91% of products with a countable formula by declared ingredient count.

Calcium Microcrystalline Hydroxyapatite is a compact, 3-ingredient mineral supplement from Douglas Laboratories, sold in capsule form, cataloged in the NIH Dietary Supplement Label Database (DSLD). These ingredients span 2 nutrient categories, mineral, other, reflecting a multi-component formula rather than a single-nutrient product.

With only 3 ingredients on the label, 3 of 3 do not have a percentage Daily Value in this DSLD source record, which is not evidence that an FDA reference value does or does not exist.

Availability status shapes how this label record is best used. This product is currently listed as on-market in the DSLD, with its label first entered into the database on 2023-06-22. An on-market listing means the product is currently sold in the United States; the DSLD catalogs the label as submitted but does not independently verify the claims or evaluate safety or efficacy.

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 Microcrystalline Hydroxyapatite: 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

mineral
2
Calcium, Phosphorus
other
1
Hydroxypropyl Methylcellulose

Daily Value Coverage

0
Above 100% DV
0
Below 100% DV
3
%DV not reported in source

Frequently Asked Questions

What ingredients are in Calcium Microcrystalline Hydroxyapatite?
Calcium Microcrystalline Hydroxyapatite contains 3 ingredients. By declared ingredient count it sits in the top 91% of DSLD products PlainVitamins places. Ingredients span 2 categories: mineral, other.
Who manufactures Calcium Microcrystalline Hydroxyapatite?
Calcium Microcrystalline Hydroxyapatite is currently manufactured by Douglas Laboratories. It is classified as a Mineral supplement in capsule form.
Is Calcium Microcrystalline Hydroxyapatite still available for purchase?
Yes, Calcium Microcrystalline Hydroxyapatite is currently listed as on-market in the NIH DSLD database.
What type of supplement is Calcium Microcrystalline Hydroxyapatite?
Calcium Microcrystalline Hydroxyapatite is classified as a "Mineral" supplement in the NIH database. This category includes products primarily composed of mineral ingredients. The NIH DSLD tracks 9 supplement categories: Vitamin, Mineral, Botanical, Amino Acid & Protein, Non-Nutrient, Fat & Fatty Acid, Multi-Vitamin & Mineral, Botanical with Nutrients, and Other Combinations.
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.

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.